<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.powellind.com/role/CommitmentsAndContingencies" xlink:href="powl-20200630.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/CommitmentsAndContingenciesDetails" xlink:href="powl-20200630.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:href="powl-20200630.xsd#CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:href="powl-20200630.xsd#CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:href="powl-20200630.xsd#CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited" xlink:href="powl-20200630.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:href="powl-20200630.xsd#CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedStatementsOfStockholdersEquityUnaudited" xlink:href="powl-20200630.xsd#CondensedConsolidatedStatementsOfStockholdersEquityUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/CoverPage" xlink:href="powl-20200630.xsd#CoverPage" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/DetailOfSelectedBalanceSheetAccounts" xlink:href="powl-20200630.xsd#DetailOfSelectedBalanceSheetAccounts" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/DetailOfSelectedBalanceSheetAccountsActivityInAllowanceForDoubtfulAccountsReceivableDetails" xlink:href="powl-20200630.xsd#DetailOfSelectedBalanceSheetAccountsActivityInAllowanceForDoubtfulAccountsReceivableDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/DetailOfSelectedBalanceSheetAccountsActivityInProductWarrantyAccrualDetails" xlink:href="powl-20200630.xsd#DetailOfSelectedBalanceSheetAccountsActivityInProductWarrantyAccrualDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/DetailOfSelectedBalanceSheetAccountsComponentsOfInventoriesDetails" xlink:href="powl-20200630.xsd#DetailOfSelectedBalanceSheetAccountsComponentsOfInventoriesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/DetailOfSelectedBalanceSheetAccountsTables" xlink:href="powl-20200630.xsd#DetailOfSelectedBalanceSheetAccountsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/EarningsPerShare" xlink:href="powl-20200630.xsd#EarningsPerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/EarningsPerShareDetails" xlink:href="powl-20200630.xsd#EarningsPerShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/EarningsPerShareTables" xlink:href="powl-20200630.xsd#EarningsPerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/FairValueMeasurements" xlink:href="powl-20200630.xsd#FairValueMeasurements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/FairValueMeasurementsDetails" xlink:href="powl-20200630.xsd#FairValueMeasurementsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/FairValueMeasurementsTables" xlink:href="powl-20200630.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/IncomeTaxes" xlink:href="powl-20200630.xsd#IncomeTaxes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/IncomeTaxesNarrativeDetails" xlink:href="powl-20200630.xsd#IncomeTaxesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/IncomeTaxesScheduleOfCalculationOfEffectiveTaxRateDetails" xlink:href="powl-20200630.xsd#IncomeTaxesScheduleOfCalculationOfEffectiveTaxRateDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/IncomeTaxesTables" xlink:href="powl-20200630.xsd#IncomeTaxesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/Leases" xlink:href="powl-20200630.xsd#Leases" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/LeasesLeaseCostsDetails" xlink:href="powl-20200630.xsd#LeasesLeaseCostsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/LeasesMaturitiesOfOperatingLeaseLiabilitiesDetails" xlink:href="powl-20200630.xsd#LeasesMaturitiesOfOperatingLeaseLiabilitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/LeasesNarrativeDetails" xlink:href="powl-20200630.xsd#LeasesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/LeasesSummaryOfOperatingLeaseAssetsAndLiabilitiesDetails" xlink:href="powl-20200630.xsd#LeasesSummaryOfOperatingLeaseAssetsAndLiabilitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/LeasesTables" xlink:href="powl-20200630.xsd#LeasesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/LongTermDebt" xlink:href="powl-20200630.xsd#LongTermDebt" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/LongTermDebtComponentsOfLongTermDebtDetails" xlink:href="powl-20200630.xsd#LongTermDebtComponentsOfLongTermDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/LongTermDebtNarrativeDetails" xlink:href="powl-20200630.xsd#LongTermDebtNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/LongTermDebtTables" xlink:href="powl-20200630.xsd#LongTermDebtTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/OverviewAndSummaryOfSignificantAccountingPolicies" xlink:href="powl-20200630.xsd#OverviewAndSummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/OverviewAndSummaryOfSignificantAccountingPoliciesNewAccountingStandardDetails" xlink:href="powl-20200630.xsd#OverviewAndSummaryOfSignificantAccountingPoliciesNewAccountingStandardDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/OverviewAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:href="powl-20200630.xsd#OverviewAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/Revenue" xlink:href="powl-20200630.xsd#Revenue" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/RevenueContractBalancesDetails" xlink:href="powl-20200630.xsd#RevenueContractBalancesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/RevenueDisaggregationOfRevenueDetails" xlink:href="powl-20200630.xsd#RevenueDisaggregationOfRevenueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/RevenueNarrativeDetails" xlink:href="powl-20200630.xsd#RevenueNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/RevenuePerformanceObligationsDetails" xlink:href="powl-20200630.xsd#RevenuePerformanceObligationsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/RevenueTables" xlink:href="powl-20200630.xsd#RevenueTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/SeparationCosts" xlink:href="powl-20200630.xsd#SeparationCosts" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/SeparationCostsDetails" xlink:href="powl-20200630.xsd#SeparationCostsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/StockBasedCompensation" xlink:href="powl-20200630.xsd#StockBasedCompensation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/StockBasedCompensationNarrativeDetails" xlink:href="powl-20200630.xsd#StockBasedCompensationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/StockBasedCompensationScheduleOfRestrictedStockUnitsActivityDetails" xlink:href="powl-20200630.xsd#StockBasedCompensationScheduleOfRestrictedStockUnitsActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/StockBasedCompensationTables" xlink:href="powl-20200630.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/SubsequentEvents" xlink:href="powl-20200630.xsd#SubsequentEvents" xlink:type="simple" />
  <link:roleRef roleURI="http://www.powellind.com/role/SubsequentEventsDetails" xlink:href="powl-20200630.xsd#SubsequentEventsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <link:presentationLink xlink:role="http://www.powellind.com/role/CommitmentsAndContingencies" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_8C2FDEAFD20FF5EEB306E7F7A016231A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_3BA37ED2D496E98DD27FE7F7A0161E22" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_8C2FDEAFD20FF5EEB306E7F7A016231A" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_3BA37ED2D496E98DD27FE7F7A0161E22" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0EE3FC61B8B5A29ED9BD583E1AF46076" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_FBBC34D539FAB9729B21583E1AF5AB8A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0EE3FC61B8B5A29ED9BD583E1AF46076" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_FBBC34D539FAB9729B21583E1AF5AB8A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_CF97D66366E15D79E44B583E1AF52897" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_FBBC34D539FAB9729B21583E1AF5AB8A" xlink:to="loc_us-gaap_CreditFacilityAxis_CF97D66366E15D79E44B583E1AF52897" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_3371AFA1711465B73DB0583E1AF50AB3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_CF97D66366E15D79E44B583E1AF52897" xlink:to="loc_us-gaap_CreditFacilityDomain_3371AFA1711465B73DB0583E1AF50AB3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DomesticLineOfCreditMember" xlink:label="loc_us-gaap_DomesticLineOfCreditMember_FBAD0BB82CC84BEE99F5583E1AF6B7FB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_3371AFA1711465B73DB0583E1AF50AB3" xlink:to="loc_us-gaap_DomesticLineOfCreditMember_FBAD0BB82CC84BEE99F5583E1AF6B7FB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_7CEAC27F1205BB5672F8583E1AF7A859" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_FBBC34D539FAB9729B21583E1AF5AB8A" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_7CEAC27F1205BB5672F8583E1AF7A859" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_F60B5A8B982C8B04D525583E1AF7DB02" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_7CEAC27F1205BB5672F8583E1AF7A859" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_F60B5A8B982C8B04D525583E1AF7DB02" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancialStandbyLetterOfCreditMember" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_20FBFA591872483DE26C583E1AF7B413" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_F60B5A8B982C8B04D525583E1AF7DB02" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_20FBFA591872483DE26C583E1AF7B413" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SuretyBondMember" xlink:label="loc_us-gaap_SuretyBondMember_B4E041E8699C0A3DF4CF583E1AF89E06" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_F60B5A8B982C8B04D525583E1AF7DB02" xlink:to="loc_us-gaap_SuretyBondMember_B4E041E8699C0A3DF4CF583E1AF89E06" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_9D75DB19282BB25C40E4583E1AF82401" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_FBBC34D539FAB9729B21583E1AF5AB8A" xlink:to="loc_us-gaap_DebtInstrumentAxis_9D75DB19282BB25C40E4583E1AF82401" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_06917028F92938F781CC583E1AF842CC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_9D75DB19282BB25C40E4583E1AF82401" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_06917028F92938F781CC583E1AF842CC" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_FacilityAgreementMember" xlink:label="loc_powl_FacilityAgreementMember_8A8F8796B8099147CCC5583E1AF878AD" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_06917028F92938F781CC583E1AF842CC" xlink:to="loc_powl_FacilityAgreementMember_8A8F8796B8099147CCC5583E1AF878AD" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_0024111E75F46C98AC40583E1AF95667" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_FBBC34D539FAB9729B21583E1AF5AB8A" xlink:to="loc_dei_LegalEntityAxis_0024111E75F46C98AC40583E1AF95667" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_903356AB62EA4002F57E583E1AF90836" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_0024111E75F46C98AC40583E1AF95667" xlink:to="loc_dei_EntityDomain_903356AB62EA4002F57E583E1AF90836" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_PowellUKLimitedMember" xlink:label="loc_powl_PowellUKLimitedMember_E3264D7C13D0BEC5C765583E1AF97C7F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_903356AB62EA4002F57E583E1AF90836" xlink:to="loc_powl_PowellUKLimitedMember_E3264D7C13D0BEC5C765583E1AF97C7F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GuaranteeObligationsLineItems" xlink:label="loc_us-gaap_GuaranteeObligationsLineItems_8E72ED2937D8D06755C0583E1AF964B5" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_FBBC34D539FAB9729B21583E1AF5AB8A" xlink:to="loc_us-gaap_GuaranteeObligationsLineItems_8E72ED2937D8D06755C0583E1AF964B5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_7BB20389BA5351A0BB6C583E1AFA1865" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_8E72ED2937D8D06755C0583E1AF964B5" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_7BB20389BA5351A0BB6C583E1AFA1865" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_CommitmentsAndContingenciesAdditionalBondingCapacity" xlink:label="loc_powl_CommitmentsAndContingenciesAdditionalBondingCapacity_9381827DECACB697462E583E1AFABB15" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_8E72ED2937D8D06755C0583E1AF964B5" xlink:to="loc_powl_CommitmentsAndContingenciesAdditionalBondingCapacity_9381827DECACB697462E583E1AFABB15" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_5A9C648355E252FC5465583E1AFB3E27" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_8E72ED2937D8D06755C0583E1AF964B5" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_5A9C648355E252FC5465583E1AFB3E27" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_D8B4460C33C54177EA51583E1AFB001B" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_8E72ED2937D8D06755C0583E1AF964B5" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_D8B4460C33C54177EA51583E1AFB001B" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_6266BD8848487B931CA772B68CB969CC" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_1849A9FE2B19E107143572B68CB9697A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_6266BD8848487B931CA772B68CB969CC" xlink:to="loc_us-gaap_AssetsAbstract_1849A9FE2B19E107143572B68CB9697A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_00026DD4335106F827FD72B68CBA1C8A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1849A9FE2B19E107143572B68CB9697A" xlink:to="loc_us-gaap_AssetsCurrentAbstract_00026DD4335106F827FD72B68CBA1C8A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7AFBF4CEB2F6A88C817572B68CBB454F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_00026DD4335106F827FD72B68CBA1C8A" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7AFBF4CEB2F6A88C817572B68CBB454F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="loc_us-gaap_ShortTermInvestments_11C95AE73B04C8DBDC8372B68CBB09D6" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_00026DD4335106F827FD72B68CBA1C8A" xlink:to="loc_us-gaap_ShortTermInvestments_11C95AE73B04C8DBDC8372B68CBB09D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_B6DD3D8AA7B3B825ECBD72B68CBBE909" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_00026DD4335106F827FD72B68CBA1C8A" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_B6DD3D8AA7B3B825ECBD72B68CBBE909" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_63E85B03B63F3EFBF02A72B68CBBB06D" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_00026DD4335106F827FD72B68CBA1C8A" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_63E85B03B63F3EFBF02A72B68CBBB06D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_3D95FDC86E457EC0884972B68CBB1187" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_00026DD4335106F827FD72B68CBA1C8A" xlink:to="loc_us-gaap_InventoryNet_3D95FDC86E457EC0884972B68CBB1187" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_894E1AA8EBAF157BD3A072B68CBB9E7A" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_00026DD4335106F827FD72B68CBA1C8A" xlink:to="loc_us-gaap_IncomeTaxesReceivable_894E1AA8EBAF157BD3A072B68CBB9E7A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_D20D38F0855963F5F24C72B68CBC8246" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_00026DD4335106F827FD72B68CBA1C8A" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_D20D38F0855963F5F24C72B68CBC8246" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_FA704ABC6498CB0EC2B672B68CBC2C4D" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_00026DD4335106F827FD72B68CBA1C8A" xlink:to="loc_us-gaap_OtherAssetsCurrent_FA704ABC6498CB0EC2B672B68CBC2C4D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_F431443F3FB029CA27B372B68CBC0D6F" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_00026DD4335106F827FD72B68CBA1C8A" xlink:to="loc_us-gaap_AssetsCurrent_F431443F3FB029CA27B372B68CBC0D6F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_C2E45D55A45C82C80CE972B68CBCD557" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1849A9FE2B19E107143572B68CB9697A" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_C2E45D55A45C82C80CE972B68CBCD557" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_3E29C10FF66A2EEA66E572B68CBC4E44" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1849A9FE2B19E107143572B68CB9697A" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_3E29C10FF66A2EEA66E572B68CBC4E44" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IntangibleAssetsNetIncludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill_8DB46AE6F6CC0801A83172B68CBD9912" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1849A9FE2B19E107143572B68CB9697A" xlink:to="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill_8DB46AE6F6CC0801A83172B68CBD9912" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_CCD3860CC74D5EC4FF4972B68CBD0E1B" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1849A9FE2B19E107143572B68CB9697A" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_CCD3860CC74D5EC4FF4972B68CBD0E1B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_F15CDAD9A0EE6BA6893D72B68CBD8E22" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1849A9FE2B19E107143572B68CB9697A" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_F15CDAD9A0EE6BA6893D72B68CBD8E22" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_4B1BA06255182AC5229D72B68CBD3AFD" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1849A9FE2B19E107143572B68CB9697A" xlink:to="loc_us-gaap_Assets_4B1BA06255182AC5229D72B68CBD3AFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_F468479CE9DB4C9631DE72B68CBD50AF" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_6266BD8848487B931CA772B68CB969CC" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_F468479CE9DB4C9631DE72B68CBD50AF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_F113607B9FE529FF077972B68CBED924" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_F468479CE9DB4C9631DE72B68CBD50AF" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_F113607B9FE529FF077972B68CBED924" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_4EFA20CA3DBDF4C4DC7A72B68CBE27DB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_F113607B9FE529FF077972B68CBED924" xlink:to="loc_us-gaap_LongTermDebtCurrent_4EFA20CA3DBDF4C4DC7A72B68CBE27DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_0FA2420ADE2134FF3AFA72B68CBE642D" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_F113607B9FE529FF077972B68CBED924" xlink:to="loc_us-gaap_AccountsPayableCurrent_0FA2420ADE2134FF3AFA72B68CBE642D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_1E9867317294E2B94DE772B68CC05980" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_F113607B9FE529FF077972B68CBED924" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_1E9867317294E2B94DE772B68CC05980" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_B2C195945EA7EE5CB7BD72B68CC0E979" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_F113607B9FE529FF077972B68CBED924" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_B2C195945EA7EE5CB7BD72B68CC0E979" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_172C7F7A649CA8D0A79A72B68CC1B27E" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_F113607B9FE529FF077972B68CBED924" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_172C7F7A649CA8D0A79A72B68CC1B27E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_B5154CFBE4EAE7103CED72B68CC19ACC" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_F113607B9FE529FF077972B68CBED924" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_B5154CFBE4EAE7103CED72B68CC19ACC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_2D69E665B8F83542999372B68CC16803" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_F113607B9FE529FF077972B68CBED924" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_2D69E665B8F83542999372B68CC16803" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_54B465E79A19A478F15872B68CC1D0A0" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_F113607B9FE529FF077972B68CBED924" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_54B465E79A19A478F15872B68CC1D0A0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_C3BB92EF491809D8AED172B68CC1446C" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_F113607B9FE529FF077972B68CBED924" xlink:to="loc_us-gaap_LiabilitiesCurrent_C3BB92EF491809D8AED172B68CC1446C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_6E509EA7AD50EBAAA06672B68CC115D5" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_F468479CE9DB4C9631DE72B68CBD50AF" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_6E509EA7AD50EBAAA06672B68CC115D5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_0314184E974DE3AC4D2472B68CC2B14F" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_F468479CE9DB4C9631DE72B68CBD50AF" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_0314184E974DE3AC4D2472B68CC2B14F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_844456413ABB34B6FDFA72B68CC2EE41" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_F468479CE9DB4C9631DE72B68CBD50AF" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_844456413ABB34B6FDFA72B68CC2EE41" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_1424C779DEFA53C431D772B68CC2A578" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_F468479CE9DB4C9631DE72B68CBD50AF" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_1424C779DEFA53C431D772B68CC2A578" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_319BAB96754321E753D172B68CC2543C" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_F468479CE9DB4C9631DE72B68CBD50AF" xlink:to="loc_us-gaap_Liabilities_319BAB96754321E753D172B68CC2543C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_CEA4D2DDFAD22012623E72B68CC325A6" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_F468479CE9DB4C9631DE72B68CBD50AF" xlink:to="loc_us-gaap_CommitmentsAndContingencies_CEA4D2DDFAD22012623E72B68CC325A6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_ED2AB838681F8DB9697372B68CC3DD2A" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_F468479CE9DB4C9631DE72B68CBD50AF" xlink:to="loc_us-gaap_StockholdersEquityAbstract_ED2AB838681F8DB9697372B68CC3DD2A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_7E903EF1368B9382671072B68CC380D5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ED2AB838681F8DB9697372B68CC3DD2A" xlink:to="loc_us-gaap_PreferredStockValue_7E903EF1368B9382671072B68CC380D5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockValueOutstanding" xlink:label="loc_us-gaap_CommonStockValueOutstanding_8D053FBBEE4A9E97970172B68CC46C26" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ED2AB838681F8DB9697372B68CC3DD2A" xlink:to="loc_us-gaap_CommonStockValueOutstanding_8D053FBBEE4A9E97970172B68CC46C26" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_BA8C883F390DA7DD9E4E72B68CC4E27B" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ED2AB838681F8DB9697372B68CC3DD2A" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_BA8C883F390DA7DD9E4E72B68CC4E27B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_E23B72C91140F36A009E72B68CC491F1" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ED2AB838681F8DB9697372B68CC3DD2A" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_E23B72C91140F36A009E72B68CC491F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_0E625B6D64656206C1D372B68CC4F733" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ED2AB838681F8DB9697372B68CC3DD2A" xlink:to="loc_us-gaap_TreasuryStockValue_0E625B6D64656206C1D372B68CC4F733" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_EB67CA6C8BF936F3A6AB72B68CC59058" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ED2AB838681F8DB9697372B68CC3DD2A" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_EB67CA6C8BF936F3A6AB72B68CC59058" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_CFCDDD34436D8AA1809472B68CC5199C" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ED2AB838681F8DB9697372B68CC3DD2A" xlink:to="loc_us-gaap_StockholdersEquity_CFCDDD34436D8AA1809472B68CC5199C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_70946F05EFE0AEA7E3B172B68CC55E7A" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_F468479CE9DB4C9631DE72B68CBD50AF" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_70946F05EFE0AEA7E3B172B68CC55E7A" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_B1E8BFAFF4B66A555E17E7F7A05B8EEC" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_70C3F0F91B6B06636F1BE7F7A05B2185" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_B1E8BFAFF4B66A555E17E7F7A05B8EEC" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_70C3F0F91B6B06636F1BE7F7A05B2185" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_BD4E47944519A70865F8E7F7A05B83B8" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_B1E8BFAFF4B66A555E17E7F7A05B8EEC" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_BD4E47944519A70865F8E7F7A05B83B8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_A0551A4FDE88C7E55E19E7F7A05B2E89" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_B1E8BFAFF4B66A555E17E7F7A05B8EEC" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_A0551A4FDE88C7E55E19E7F7A05B2E89" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_93A6C030397430F3F9B6E7F7A05B3E80" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_B1E8BFAFF4B66A555E17E7F7A05B8EEC" xlink:to="loc_us-gaap_PreferredStockSharesIssued_93A6C030397430F3F9B6E7F7A05B3E80" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_B3876463C4EB63613A32E7F7A05BC204" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_B1E8BFAFF4B66A555E17E7F7A05B8EEC" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_B3876463C4EB63613A32E7F7A05BC204" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_62E1A2D0601DA08FE6DAE7F7A05C5674" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_B1E8BFAFF4B66A555E17E7F7A05B8EEC" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_62E1A2D0601DA08FE6DAE7F7A05C5674" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_114C74424E2B53806625E7F7A05C412E" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_B1E8BFAFF4B66A555E17E7F7A05B8EEC" xlink:to="loc_us-gaap_CommonStockSharesIssued_114C74424E2B53806625E7F7A05C412E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_21BA943809B698502F2DE7F7A05CAAB4" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_B1E8BFAFF4B66A555E17E7F7A05B8EEC" xlink:to="loc_us-gaap_TreasuryStockShares_21BA943809B698502F2DE7F7A05CAAB4" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_DCF4EF3988465690A93D72B68C663D63" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4A2D03A02784E4A2053A72B68C66235F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_DCF4EF3988465690A93D72B68C663D63" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4A2D03A02784E4A2053A72B68C66235F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_F1F74AB18F19CC6292B172B68C67708F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4A2D03A02784E4A2053A72B68C66235F" xlink:to="loc_us-gaap_NetIncomeLoss_F1F74AB18F19CC6292B172B68C67708F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_420D711B197BD10B5B4472B68C679F11" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4A2D03A02784E4A2053A72B68C66235F" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_420D711B197BD10B5B4472B68C679F11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_9C3CC5AA195053FAB5BE72B68C67E886" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_420D711B197BD10B5B4472B68C679F11" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_9C3CC5AA195053FAB5BE72B68C67E886" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_FD1214792186B116AD3772B68C6749F9" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_420D711B197BD10B5B4472B68C679F11" xlink:to="loc_us-gaap_ShareBasedCompensation_FD1214792186B116AD3772B68C6749F9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_A7E8DBF39AFD1631A54D72B68C677CA6" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_420D711B197BD10B5B4472B68C679F11" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_A7E8DBF39AFD1631A54D72B68C677CA6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_776E108A3698F821AB5F72B68C68AEE4" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_420D711B197BD10B5B4472B68C679F11" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_776E108A3698F821AB5F72B68C68AEE4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_44B0362FBFA7A5338C3972B68C685A35" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_420D711B197BD10B5B4472B68C679F11" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_44B0362FBFA7A5338C3972B68C685A35" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_A40F66BC4E8807EEE79172B68C68BD89" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_44B0362FBFA7A5338C3972B68C685A35" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_A40F66BC4E8807EEE79172B68C68BD89" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_IncreaseDecreaseInContractWithCustomerAssetAndLiabilityNet" xlink:label="loc_powl_IncreaseDecreaseInContractWithCustomerAssetAndLiabilityNet_A621ABE1B556BF1A530772B68C686053" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_44B0362FBFA7A5338C3972B68C685A35" xlink:to="loc_powl_IncreaseDecreaseInContractWithCustomerAssetAndLiabilityNet_A621ABE1B556BF1A530772B68C686053" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_308F0A0461AB917B35AB72B68C694F2C" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_44B0362FBFA7A5338C3972B68C685A35" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_308F0A0461AB917B35AB72B68C694F2C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_ECA4151EA7D859E07D9B72B68C69E439" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_44B0362FBFA7A5338C3972B68C685A35" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_ECA4151EA7D859E07D9B72B68C69E439" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_D671A429BF0E21A0BAD072B68C69D978" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_44B0362FBFA7A5338C3972B68C685A35" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_D671A429BF0E21A0BAD072B68C69D978" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_9CE76A847CDB180F61FC72B68C69833E" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_44B0362FBFA7A5338C3972B68C685A35" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_9CE76A847CDB180F61FC72B68C69833E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_1BB4DAC51B6CB3E8CBEF72B68C6955D2" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_44B0362FBFA7A5338C3972B68C685A35" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_1BB4DAC51B6CB3E8CBEF72B68C6955D2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_B2CE05BCF23F956DD7B772B68C6A4D97" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_44B0362FBFA7A5338C3972B68C685A35" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_B2CE05BCF23F956DD7B772B68C6A4D97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C109C47D2CB9B4C6063672B68C6A341F" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4A2D03A02784E4A2053A72B68C66235F" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C109C47D2CB9B4C6063672B68C6A341F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_7F5E79D1B98DEEE4535972B68C6A4A39" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_DCF4EF3988465690A93D72B68C663D63" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_7F5E79D1B98DEEE4535972B68C6A4A39" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireShortTermInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireShortTermInvestments_958F270F2C52EEEE7E0F72B68C6A7E3E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_7F5E79D1B98DEEE4535972B68C6A4A39" xlink:to="loc_us-gaap_PaymentsToAcquireShortTermInvestments_958F270F2C52EEEE7E0F72B68C6A7E3E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_BE50329196F73F11EF3172B68C6A3C4E" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_7F5E79D1B98DEEE4535972B68C6A4A39" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_BE50329196F73F11EF3172B68C6A3C4E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_A82A091C05FE34B7FCB772B68C6AE5B6" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_7F5E79D1B98DEEE4535972B68C6A4A39" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_A82A091C05FE34B7FCB772B68C6AE5B6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6ECF127E680AFD29803572B68C6B37A7" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_7F5E79D1B98DEEE4535972B68C6A4A39" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6ECF127E680AFD29803572B68C6B37A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_14C6080DE11F6884A67B72B68C6B1D33" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_DCF4EF3988465690A93D72B68C663D63" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_14C6080DE11F6884A67B72B68C6B1D33" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_EDBC098446E39F02B20F72B68C6B44BF" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_14C6080DE11F6884A67B72B68C6B1D33" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_EDBC098446E39F02B20F72B68C6B44BF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_BB566A29A2593FDF081772B68C6BDC30" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_14C6080DE11F6884A67B72B68C6B1D33" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_BB566A29A2593FDF081772B68C6BDC30" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_87BF03F7A375AC389F8372B68C6CFB45" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_14C6080DE11F6884A67B72B68C6B1D33" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_87BF03F7A375AC389F8372B68C6CFB45" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_E21A66C886CC2679A16072B68C6C81C9" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_14C6080DE11F6884A67B72B68C6B1D33" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_E21A66C886CC2679A16072B68C6C81C9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_6036FDC6841C1EDD47FF72B68C6CBD12" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_DCF4EF3988465690A93D72B68C663D63" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_6036FDC6841C1EDD47FF72B68C6CBD12" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_FB4B5B2263CF6363F91572B68C6CEE7A" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_DCF4EF3988465690A93D72B68C663D63" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_FB4B5B2263CF6363F91572B68C6CEE7A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8C2FA9E8B1CA1EE97DEC72B68C6C6E1D" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_DCF4EF3988465690A93D72B68C663D63" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8C2FA9E8B1CA1EE97DEC72B68C6C6E1D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_AEA0DBBBBC428609267372B68C6D4373" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_DCF4EF3988465690A93D72B68C663D63" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_AEA0DBBBBC428609267372B68C6D4373" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_0B15DC37B04BB5DFA21B72B68C7E182B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_2B2A1880BEF1C18C726E72B68C7F0C7C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_0B15DC37B04BB5DFA21B72B68C7E182B" xlink:to="loc_us-gaap_NetIncomeLoss_2B2A1880BEF1C18C726E72B68C7F0C7C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_5ED18D2DA7E6635EF63E72B68C7F313A" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_0B15DC37B04BB5DFA21B72B68C7E182B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_5ED18D2DA7E6635EF63E72B68C7F313A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_185C47259EC3FFD7D87D72B68C7FA750" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_0B15DC37B04BB5DFA21B72B68C7E182B" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_185C47259EC3FFD7D87D72B68C7FA750" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_9F89E5EDB51CDEC74BDA92696F7F4166" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_9F89E5EDB51CDEC74BDA92696F7F4166" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_5B76945B5AE98CA8BBE892696F7F24F0" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_5B76945B5AE98CA8BBE892696F7F24F0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_EE180896799293B363C792696F80293D" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_GrossProfit_EE180896799293B363C792696F80293D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_7C9CB40C58FC13E92C3092696F803F4C" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_7C9CB40C58FC13E92C3092696F803F4C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_12ADCC031949F74783FB92696F80323E" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_12ADCC031949F74783FB92696F80323E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_36834C4C0D2D993FE35892696F80C794" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_36834C4C0D2D993FE35892696F80C794" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InsuranceRecoveries" xlink:label="loc_us-gaap_InsuranceRecoveries_B4E574310D50226A603C92696F80F8DF" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_InsuranceRecoveries_B4E574310D50226A603C92696F80F8DF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_C24786CAABC85D0C9CC192696F8027B6" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_RestructuringCharges_C24786CAABC85D0C9CC192696F8027B6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_DA6B2AFB6F9DBE43B64992696F81CB00" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_OperatingIncomeLoss_DA6B2AFB6F9DBE43B64992696F81CB00" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_591445526EF5BD13F93B92696F811AF4" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_InterestExpense_591445526EF5BD13F93B92696F811AF4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_93840E1D6347C16A3B2492696F8172CD" xlink:type="locator" />
    <link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_InvestmentIncomeInterest_93840E1D6347C16A3B2492696F8172CD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_BA3456C614FDA0B1499692696F8117B9" xlink:type="locator" />
    <link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_BA3456C614FDA0B1499692696F8117B9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_06AF1AC358F0A6FADA4E92696F81AAF3" xlink:type="locator" />
    <link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_06AF1AC358F0A6FADA4E92696F81AAF3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_3241BD630E3CDBFB227892696F824CC3" xlink:type="locator" />
    <link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_NetIncomeLoss_3241BD630E3CDBFB227892696F824CC3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_A9C660FDD4CB556634B192696F8268A9" xlink:type="locator" />
    <link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_83B60D85C5070D2B6E8A92696F7F8655" xlink:to="loc_us-gaap_EarningsPerShareAbstract_A9C660FDD4CB556634B192696F8268A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_60BF6ED03844BBC42E8392696F82E1E3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_A9C660FDD4CB556634B192696F8268A9" xlink:to="loc_us-gaap_EarningsPerShareBasic_60BF6ED03844BBC42E8392696F82E1E3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_7DFB99147E1A598DBC0C92696F821F18" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_A9C660FDD4CB556634B192696F8268A9" xlink:to="loc_us-gaap_EarningsPerShareDiluted_7DFB99147E1A598DBC0C92696F821F18" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_9E93A14F62974877BD3892696F829E6E" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_A9C660FDD4CB556634B192696F8268A9" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_9E93A14F62974877BD3892696F829E6E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_B695089108115EEC863892696F8352D7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_9E93A14F62974877BD3892696F829E6E" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_B695089108115EEC863892696F8352D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_E8F9718B9A30AD16709292696F83BE7C" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_9E93A14F62974877BD3892696F829E6E" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_E8F9718B9A30AD16709292696F83BE7C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_2A5EB8ED8FFF83EA611F92696F832DD2" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_A9C660FDD4CB556634B192696F8268A9" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_2A5EB8ED8FFF83EA611F92696F832DD2" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedStatementsOfStockholdersEquityUnaudited" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_A9987588F56AB8AB51669269E22BFB43" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_81E7253D969D35DFE96B9269E22BD4F7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_A9987588F56AB8AB51669269E22BFB43" xlink:to="loc_us-gaap_StatementTable_81E7253D969D35DFE96B9269E22BD4F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_D2A1D5AD5B17A02EF2DB9269E22B555E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_81E7253D969D35DFE96B9269E22BD4F7" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_D2A1D5AD5B17A02EF2DB9269E22B555E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_6984FBBF8108A04AA3569269E22BC5D6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_D2A1D5AD5B17A02EF2DB9269E22B555E" xlink:to="loc_us-gaap_EquityComponentDomain_6984FBBF8108A04AA3569269E22BC5D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_9804D8F2385E9F4FD6AD9269E22B15C1" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6984FBBF8108A04AA3569269E22BC5D6" xlink:to="loc_us-gaap_CommonStockMember_9804D8F2385E9F4FD6AD9269E22B15C1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_49F2569E573C35884A2C9269E23AB23D" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6984FBBF8108A04AA3569269E22BC5D6" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_49F2569E573C35884A2C9269E23AB23D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_5A38C802C7F7F37AAE779269E23A13CE" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6984FBBF8108A04AA3569269E22BC5D6" xlink:to="loc_us-gaap_RetainedEarningsMember_5A38C802C7F7F37AAE779269E23A13CE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_9F77A4F6B106679A4B2E9269E23A3D74" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6984FBBF8108A04AA3569269E22BC5D6" xlink:to="loc_us-gaap_TreasuryStockMember_9F77A4F6B106679A4B2E9269E23A3D74" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_158E73BE455F6F6B01A19269E23A9542" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6984FBBF8108A04AA3569269E22BC5D6" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_158E73BE455F6F6B01A19269E23A9542" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_940D7BC25F36203CDA039269E23AAAB1" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_81E7253D969D35DFE96B9269E22BD4F7" xlink:to="loc_us-gaap_StatementLineItems_940D7BC25F36203CDA039269E23AAAB1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_940D7BC25F36203CDA039269E23AAAB1" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_313AF50D2F9319DF67499269E23A4DAB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_313AF50D2F9319DF67499269E23A4DAB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_C1587F6A77C5FEF51D629269E23AC665" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_StockholdersEquity_C1587F6A77C5FEF51D629269E23AC665" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_1BE0255EF19546A2E7CE9269E23A3D4E" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_NetIncomeLoss_1BE0255EF19546A2E7CE9269E23A3D4E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_EDA781463DE562D966659269E23A2E49" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_EDA781463DE562D966659269E23A2E49" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_D86784B8357AC3D224B59269E23AABFF" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_D86784B8357AC3D224B59269E23AABFF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_9707D7D794F48300FACB9269E23A44EA" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_9707D7D794F48300FACB9269E23A44EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_0C66230BEDB45C75EBD29269E23A7FC4" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_0C66230BEDB45C75EBD29269E23A7FC4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_DF5FDB3E587C1EEA45759269E23AB506" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_DF5FDB3E587C1EEA45759269E23AB506" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_42B46E20B56780F0E3F79269E23A880F" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_42B46E20B56780F0E3F79269E23A880F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_51AD96238AA6BEB876789269E23A2A7B" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_DividendsCommonStockCash_51AD96238AA6BEB876789269E23A2A7B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_8733031DFBFC8254B9FE9269E23AC2E9" xlink:type="locator" />
    <link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_8733031DFBFC8254B9FE9269E23AC2E9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_0A7F10F0B21B8D6EE4749269E23AC1AB" xlink:type="locator" />
    <link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0E7947B8232B2EC0C8739269E23A383B" xlink:to="loc_us-gaap_StockholdersEquity_0A7F10F0B21B8D6EE4749269E23AC1AB" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CoverAbstract" xlink:label="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:type="locator" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_708AF9CA2C918D8110769244C8AEF7BD" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_DocumentType_708AF9CA2C918D8110769244C8AEF7BD" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentQuarterlyReport" xlink:label="loc_dei_DocumentQuarterlyReport_5A527FA18B64C39AB2E89244C8AF15D3" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_DocumentQuarterlyReport_5A527FA18B64C39AB2E89244C8AF15D3" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_EB82C45B95648EEA77F09244C8AFEEC8" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_DocumentPeriodEndDate_EB82C45B95648EEA77F09244C8AFEEC8" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentTransitionReport" xlink:label="loc_dei_DocumentTransitionReport_CB66A338889D3DEB5BE99244C8AFD6C8" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_DocumentTransitionReport_CB66A338889D3DEB5BE99244C8AFD6C8" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:label="loc_dei_EntityFileNumber_85302B61F7D7138939849244C8AF3D07" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityFileNumber_85302B61F7D7138939849244C8AF3D07" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_13D48CD638B2DC2A21C09244C8AF5E6D" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityRegistrantName_13D48CD638B2DC2A21C09244C8AF5E6D" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="loc_dei_EntityIncorporationStateCountryCode_B51276BB71DEB0CF6C8A9244C8B0B590" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityIncorporationStateCountryCode_B51276BB71DEB0CF6C8A9244C8B0B590" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:label="loc_dei_EntityTaxIdentificationNumber_BD93CCF4802A65099D839244C8B073E5" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityTaxIdentificationNumber_BD93CCF4802A65099D839244C8B073E5" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:label="loc_dei_EntityAddressAddressLine1_7534DE0B9489D44FFB289244C8B0C112" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityAddressAddressLine1_7534DE0B9489D44FFB289244C8B0C112" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:label="loc_dei_EntityAddressCityOrTown_CEC9455FA0E066BA0C6A9244C8B08B6D" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityAddressCityOrTown_CEC9455FA0E066BA0C6A9244C8B08B6D" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince" xlink:label="loc_dei_EntityAddressStateOrProvince_8BF2461B121BCF4C22D99244C8B02382" xlink:type="locator" />
    <link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityAddressStateOrProvince_8BF2461B121BCF4C22D99244C8B02382" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:label="loc_dei_EntityAddressPostalZipCode_18884CFEC2C90F17FFEF9244C8B1DA8A" xlink:type="locator" />
    <link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityAddressPostalZipCode_18884CFEC2C90F17FFEF9244C8B1DA8A" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:label="loc_dei_CityAreaCode_E387695B149551DFCC8B9244C8B1B798" xlink:type="locator" />
    <link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_CityAreaCode_E387695B149551DFCC8B9244C8B1B798" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:label="loc_dei_LocalPhoneNumber_39FA66B8D611FADB80AC9244C8B18BA3" xlink:type="locator" />
    <link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_LocalPhoneNumber_39FA66B8D611FADB80AC9244C8B18BA3" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:label="loc_dei_Security12bTitle_6A729ACA6202E9247B8A9244C8B164F7" xlink:type="locator" />
    <link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_Security12bTitle_6A729ACA6202E9247B8A9244C8B164F7" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_C3B1BBA1FC243D45EC169244C8B1AE46" xlink:type="locator" />
    <link:presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_TradingSymbol_C3B1BBA1FC243D45EC169244C8B1AE46" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:label="loc_dei_SecurityExchangeName_7BA4B4D3E3CF16C34B9C9244C8B13B1F" xlink:type="locator" />
    <link:presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_SecurityExchangeName_7BA4B4D3E3CF16C34B9C9244C8B13B1F" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_210215112BFF059772D79244C8B1B8BC" xlink:type="locator" />
    <link:presentationArc order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityCurrentReportingStatus_210215112BFF059772D79244C8B1B8BC" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInteractiveDataCurrent" xlink:label="loc_dei_EntityInteractiveDataCurrent_674027849955FD08ACC69244C8B29EA2" xlink:type="locator" />
    <link:presentationArc order="19" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityInteractiveDataCurrent_674027849955FD08ACC69244C8B29EA2" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_E49A9DB2DA661D6AADC19244C8B28552" xlink:type="locator" />
    <link:presentationArc order="20" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityFilerCategory_E49A9DB2DA661D6AADC19244C8B28552" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitySmallBusiness" xlink:label="loc_dei_EntitySmallBusiness_4246F3141C6C79E713BD9244C8B2120D" xlink:type="locator" />
    <link:presentationArc order="21" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntitySmallBusiness_4246F3141C6C79E713BD9244C8B2120D" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="loc_dei_EntityEmergingGrowthCompany_4C70553BE19DD5BE38849244C8B246AC" xlink:type="locator" />
    <link:presentationArc order="22" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityEmergingGrowthCompany_4C70553BE19DD5BE38849244C8B246AC" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany" xlink:label="loc_dei_EntityShellCompany_F14A4BF2A9A7CC655F1B9244C8B238B6" xlink:type="locator" />
    <link:presentationArc order="23" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityShellCompany_F14A4BF2A9A7CC655F1B9244C8B238B6" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_1AACAA734D047DA4990E9244C8B2941E" xlink:type="locator" />
    <link:presentationArc order="24" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_1AACAA734D047DA4990E9244C8B2941E" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_0D3D1DE154A3655BFB4F9244C8B27015" xlink:type="locator" />
    <link:presentationArc order="25" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_EntityCentralIndexKey_0D3D1DE154A3655BFB4F9244C8B27015" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_8458F20FD2A7068C2CC69244C8B42021" xlink:type="locator" />
    <link:presentationArc order="26" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_AmendmentFlag_8458F20FD2A7068C2CC69244C8B42021" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_DE8652685B4D3B806BEC9244C8B41778" xlink:type="locator" />
    <link:presentationArc order="27" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_DocumentFiscalYearFocus_DE8652685B4D3B806BEC9244C8B41778" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_39500F2C3CCD2D9762B69244C8B40028" xlink:type="locator" />
    <link:presentationArc order="28" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_DocumentFiscalPeriodFocus_39500F2C3CCD2D9762B69244C8B40028" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_9956BDE225356C43576B9244C8B47C64" xlink:type="locator" />
    <link:presentationArc order="29" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_59E740F9E0976CB2FF1E9244C8AE2856" xlink:to="loc_dei_CurrentFiscalYearEndDate_9956BDE225356C43576B9244C8B47C64" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/DetailOfSelectedBalanceSheetAccounts" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_B6A43CA89766F8B102DCE7F79FA87D86" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SupplementalBalanceSheetDisclosuresTextBlock" xlink:label="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_A92EE89245B7F7F14DE8E7F79FA84840" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_B6A43CA89766F8B102DCE7F79FA87D86" xlink:to="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_A92EE89245B7F7F14DE8E7F79FA84840" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/DetailOfSelectedBalanceSheetAccountsActivityInAllowanceForDoubtfulAccountsReceivableDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_8F111433E5D632BF6677E7F7A03963BB" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_9285054C2C30461CAFC9E7F7A039CB5D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_8F111433E5D632BF6677E7F7A03963BB" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_9285054C2C30461CAFC9E7F7A039CB5D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_0ABB62F2140A228B2914E7F7A03AEC32" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_9285054C2C30461CAFC9E7F7A039CB5D" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_0ABB62F2140A228B2914E7F7A03AEC32" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_DCDFD6F9FDC110A46692E7F7A03A281E" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_9285054C2C30461CAFC9E7F7A039CB5D" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_DCDFD6F9FDC110A46692E7F7A03A281E" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_AllowanceForDoubtfulAccountsReceivableWriteOffsRecoveries" xlink:label="loc_powl_AllowanceForDoubtfulAccountsReceivableWriteOffsRecoveries_9D59BD93CB72875F263AE7F7A03A962C" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_9285054C2C30461CAFC9E7F7A039CB5D" xlink:to="loc_powl_AllowanceForDoubtfulAccountsReceivableWriteOffsRecoveries_9D59BD93CB72875F263AE7F7A03A962C" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_IncreaseDecreaseDueToForeignCurrencyTranslation" xlink:label="loc_powl_IncreaseDecreaseDueToForeignCurrencyTranslation_996D48D102DDECE0D18EE7F7A03A68F4" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_9285054C2C30461CAFC9E7F7A039CB5D" xlink:to="loc_powl_IncreaseDecreaseDueToForeignCurrencyTranslation_996D48D102DDECE0D18EE7F7A03A68F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_8F8C36BB3D267F9C4FECE7F7A03A2371" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_9285054C2C30461CAFC9E7F7A039CB5D" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_8F8C36BB3D267F9C4FECE7F7A03A2371" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/DetailOfSelectedBalanceSheetAccountsActivityInProductWarrantyAccrualDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_FB7EA9F9DD1EC29393F5E7F7A0927E93" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MovementInStandardProductWarrantyAccrualRollForward" xlink:label="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_4E9914F8BA6C25E6D9C5E7F7A0921A05" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_FB7EA9F9DD1EC29393F5E7F7A0927E93" xlink:to="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_4E9914F8BA6C25E6D9C5E7F7A0921A05" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_7E8919333E82B89FC9EFE7F7A0920045" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_4E9914F8BA6C25E6D9C5E7F7A0921A05" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_7E8919333E82B89FC9EFE7F7A0920045" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease" xlink:label="loc_us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease_7AC1D18D8AB7E2F1BD79E7F7A0925F48" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_4E9914F8BA6C25E6D9C5E7F7A0921A05" xlink:to="loc_us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease_7AC1D18D8AB7E2F1BD79E7F7A0925F48" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductWarrantyAccrualPayments" xlink:label="loc_us-gaap_ProductWarrantyAccrualPayments_677AB1FD01EC46F6BFA0E7F7A09324B2" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_4E9914F8BA6C25E6D9C5E7F7A0921A05" xlink:to="loc_us-gaap_ProductWarrantyAccrualPayments_677AB1FD01EC46F6BFA0E7F7A09324B2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss" xlink:label="loc_us-gaap_StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss_1AFECD7F13280A664754E7F7A0934288" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_4E9914F8BA6C25E6D9C5E7F7A0921A05" xlink:to="loc_us-gaap_StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss_1AFECD7F13280A664754E7F7A0934288" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_649DED9FE13379D6D77CE7F7A093E204" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_4E9914F8BA6C25E6D9C5E7F7A0921A05" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_649DED9FE13379D6D77CE7F7A093E204" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/DetailOfSelectedBalanceSheetAccountsComponentsOfInventoriesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_00AD01C0E304535614A1E7F7A016E6D9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_40F969F101F9BE656D34E7F7A01653E1" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_00AD01C0E304535614A1E7F7A016E6D9" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_40F969F101F9BE656D34E7F7A01653E1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryWorkInProcess" xlink:label="loc_us-gaap_InventoryWorkInProcess_5CB08B87EB42DCF41CDEE7F7A016816B" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_00AD01C0E304535614A1E7F7A016E6D9" xlink:to="loc_us-gaap_InventoryWorkInProcess_5CB08B87EB42DCF41CDEE7F7A016816B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_D6B736DD0FF85CDCF1A5E7F7A016C5DB" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_00AD01C0E304535614A1E7F7A016E6D9" xlink:to="loc_us-gaap_InventoryNet_D6B736DD0FF85CDCF1A5E7F7A016C5DB" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/DetailOfSelectedBalanceSheetAccountsTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_2E614B3B9406A80CBC5EE7F7A0254CBF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock" xlink:label="loc_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock_5798C6D2C727CD220457E7F7A0251718" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_2E614B3B9406A80CBC5EE7F7A0254CBF" xlink:to="loc_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock_5798C6D2C727CD220457E7F7A0251718" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_684EB497EDD04ABD48B8E7F7A0258C52" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_2E614B3B9406A80CBC5EE7F7A0254CBF" xlink:to="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_684EB497EDD04ABD48B8E7F7A0258C52" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_9AC09E09625DB5E351EFE7F7A0259A5D" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_2E614B3B9406A80CBC5EE7F7A0254CBF" xlink:to="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_9AC09E09625DB5E351EFE7F7A0259A5D" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/EarningsPerShare" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_28557D9CAC065C7B049AE7F79FA8CCD9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_2C034488593859BDEAB6E7F79FA8D3E6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_28557D9CAC065C7B049AE7F79FA8CCD9" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_2C034488593859BDEAB6E7F79FA8D3E6" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/EarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_B638AAC7556D78DCE18072B68C4851A2" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAbstract" xlink:label="loc_us-gaap_NetIncomeLossAbstract_640EB5F2A3537C3C5EF272B68C4809D5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_B638AAC7556D78DCE18072B68C4851A2" xlink:to="loc_us-gaap_NetIncomeLossAbstract_640EB5F2A3537C3C5EF272B68C4809D5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_34D64D712E107CDE397B72B68C494448" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetIncomeLossAbstract_640EB5F2A3537C3C5EF272B68C4809D5" xlink:to="loc_us-gaap_NetIncomeLoss_34D64D712E107CDE397B72B68C494448" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_79B24AB822E4974CB62172B68C49330F" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_B638AAC7556D78DCE18072B68C4851A2" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_79B24AB822E4974CB62172B68C49330F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_E87A5E866700E549153D72B68C495465" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_79B24AB822E4974CB62172B68C49330F" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_E87A5E866700E549153D72B68C495465" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_04A92A35757EF3CE36DA72B68C4AC9E2" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_79B24AB822E4974CB62172B68C49330F" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_04A92A35757EF3CE36DA72B68C4AC9E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_FFAB1600876DC82AEF6972B68C4A8A05" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_79B24AB822E4974CB62172B68C49330F" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_FFAB1600876DC82AEF6972B68C4A8A05" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_45E910BB8FD4001EA2C072B68C4AD2F7" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_B638AAC7556D78DCE18072B68C4851A2" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_45E910BB8FD4001EA2C072B68C4AD2F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_DA4E5E5CBCC32FBEECB172B68C4A8001" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_45E910BB8FD4001EA2C072B68C4AD2F7" xlink:to="loc_us-gaap_EarningsPerShareBasic_DA4E5E5CBCC32FBEECB172B68C4A8001" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_E2F86703AEF4D6C0B0FA72B68C4B584F" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_45E910BB8FD4001EA2C072B68C4AD2F7" xlink:to="loc_us-gaap_EarningsPerShareDiluted_E2F86703AEF4D6C0B0FA72B68C4B584F" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/EarningsPerShareTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_FAA1C0D9FE4A6FE0088EE7F7A0402BDF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_255C46548D1EF2088388E7F7A040CA9B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_FAA1C0D9FE4A6FE0088EE7F7A0402BDF" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_255C46548D1EF2088388E7F7A040CA9B" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/FairValueMeasurements" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_5F65AACA85B5BFAE0F5FE7F7A03C8D25" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_D0B9AE7F5DAE5CF888C3E7F7A03CA435" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_5F65AACA85B5BFAE0F5FE7F7A03C8D25" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_D0B9AE7F5DAE5CF888C3E7F7A03CA435" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_D44FEB3905ED3AD173C8E7F7A02DAD59" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_8C9E14D57CE24B5768EAE7F7A02DABC4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_D44FEB3905ED3AD173C8E7F7A02DAD59" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_8C9E14D57CE24B5768EAE7F7A02DABC4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_265A1465E848AA06E022E7F7A02D0A93" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_8C9E14D57CE24B5768EAE7F7A02DABC4" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_265A1465E848AA06E022E7F7A02D0A93" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_E48AACCBF6A99BB54045E7F7A02EFC3E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_265A1465E848AA06E022E7F7A02D0A93" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_E48AACCBF6A99BB54045E7F7A02EFC3E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_97C1AAB86A58831A95C9E7F7A02EFAF0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_E48AACCBF6A99BB54045E7F7A02EFC3E" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_97C1AAB86A58831A95C9E7F7A02EFAF0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_7BB406081AF704782718E7F7A02E56A5" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_E48AACCBF6A99BB54045E7F7A02EFC3E" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_7BB406081AF704782718E7F7A02E56A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_E07A8C0DC7C9519B241FE7F7A02F1930" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_E48AACCBF6A99BB54045E7F7A02EFC3E" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_E07A8C0DC7C9519B241FE7F7A02F1930" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_19D7FD226FC9DF72287BE7F7A02F39F1" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_8C9E14D57CE24B5768EAE7F7A02DABC4" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_19D7FD226FC9DF72287BE7F7A02F39F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_1375F26FCA1A4B84630AE7F7A02FC40D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_19D7FD226FC9DF72287BE7F7A02F39F1" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_1375F26FCA1A4B84630AE7F7A02FC40D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_4180C8DAAE4EA2676EE5E7F7A02F320A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_1375F26FCA1A4B84630AE7F7A02FC40D" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_4180C8DAAE4EA2676EE5E7F7A02F320A" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_ShorttermInvestmentsFairValueDisclosure" xlink:label="loc_powl_ShorttermInvestmentsFairValueDisclosure_11C5B38F99421A4849A8E7F7A030EFFB" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_1375F26FCA1A4B84630AE7F7A02FC40D" xlink:to="loc_powl_ShorttermInvestmentsFairValueDisclosure_11C5B38F99421A4849A8E7F7A030EFFB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsFairValueDisclosure" xlink:label="loc_us-gaap_OtherAssetsFairValueDisclosure_DB40E775CFD1ECDA9178E7F7A0308179" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_1375F26FCA1A4B84630AE7F7A02FC40D" xlink:to="loc_us-gaap_OtherAssetsFairValueDisclosure_DB40E775CFD1ECDA9178E7F7A0308179" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_7DF9C9AA13C3E76268BCE7F7A0304B42" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_19D7FD226FC9DF72287BE7F7A02F39F1" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_7DF9C9AA13C3E76268BCE7F7A0304B42" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_6A7FF7688ADFA7B2319EE7F7A030E6C6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_7DF9C9AA13C3E76268BCE7F7A0304B42" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_6A7FF7688ADFA7B2319EE7F7A030E6C6" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/FairValueMeasurementsTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_B29A97546DEB7BF5B280E7F7A081647E" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_C006BCD12F67602F995CE7F7A081BC61" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_B29A97546DEB7BF5B280E7F7A081647E" xlink:to="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_C006BCD12F67602F995CE7F7A081BC61" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/IncomeTaxes" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_BA8280D919F59CB99D30E7F79FB85DB5" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_A3F97045FE72B7E9C88FE7F79FB84584" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_BA8280D919F59CB99D30E7F79FB85DB5" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_A3F97045FE72B7E9C88FE7F79FB84584" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_41B6C9AA5828B7C1D6109269E0DDB2D6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_7792B2275E72A65D466E9269E0ECFEB8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_41B6C9AA5828B7C1D6109269E0DDB2D6" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_7792B2275E72A65D466E9269E0ECFEB8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_3F9394FA374427AEA902927E422ABBFE" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_41B6C9AA5828B7C1D6109269E0DDB2D6" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_3F9394FA374427AEA902927E422ABBFE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_2D534CFD7230B652E1E89269E0EC3D2C" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_41B6C9AA5828B7C1D6109269E0DDB2D6" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_2D534CFD7230B652E1E89269E0EC3D2C" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/IncomeTaxesScheduleOfCalculationOfEffectiveTaxRateDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_CCEB69473EEE1690EB0A72B68BA2FB5D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5424F26CD2A7AEF704C372B68BA2C17E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_CCEB69473EEE1690EB0A72B68BA2FB5D" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5424F26CD2A7AEF704C372B68BA2C17E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_5BC15F3006F253B89D2C72B68BA20455" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_CCEB69473EEE1690EB0A72B68BA2FB5D" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_5BC15F3006F253B89D2C72B68BA20455" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_87605E3ABF33A21608CE72B68BA29E42" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_CCEB69473EEE1690EB0A72B68BA2FB5D" xlink:to="loc_us-gaap_NetIncomeLoss_87605E3ABF33A21608CE72B68BA29E42" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_B21F0DEE938B6914535972B68BA2BFB8" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_CCEB69473EEE1690EB0A72B68BA2FB5D" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_B21F0DEE938B6914535972B68BA2BFB8" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/IncomeTaxesTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_0B7D60D1674FB004F381E7F7A0971D46" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_0FB4989AD5EFED4DD9B9E7F7A09720ED" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_0B7D60D1674FB004F381E7F7A0971D46" xlink:to="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_0FB4989AD5EFED4DD9B9E7F7A09720ED" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/Leases" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_73EFDE5DBFF7B617C496E7F79F993DE1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeasesTextBlock" xlink:label="loc_us-gaap_LesseeOperatingLeasesTextBlock_A0BF966D2ECBC8CACA18E7F79F995AE4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_73EFDE5DBFF7B617C496E7F79F993DE1" xlink:to="loc_us-gaap_LesseeOperatingLeasesTextBlock_A0BF966D2ECBC8CACA18E7F79F995AE4" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LeasesLeaseCostsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_097A26F910BE0F253229E7F79FE7667E" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:label="loc_us-gaap_OperatingLeaseCost_7C52F8E5125B482E38ACE7F79FE7864F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_097A26F910BE0F253229E7F79FE7667E" xlink:to="loc_us-gaap_OperatingLeaseCost_7C52F8E5125B482E38ACE7F79FE7864F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubleaseIncome" xlink:label="loc_us-gaap_SubleaseIncome_47058DBDD99A97A7F3AFE7F79FE771E1" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_097A26F910BE0F253229E7F79FE7667E" xlink:to="loc_us-gaap_SubleaseIncome_47058DBDD99A97A7F3AFE7F79FE771E1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableLeaseCost" xlink:label="loc_us-gaap_VariableLeaseCost_E7BDE796601393007B1FE7F79FE74B52" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_097A26F910BE0F253229E7F79FE7667E" xlink:to="loc_us-gaap_VariableLeaseCost_E7BDE796601393007B1FE7F79FE74B52" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermLeaseCost" xlink:label="loc_us-gaap_ShortTermLeaseCost_5A8B79E686AEA4E76908E7F79FE7A080" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_097A26F910BE0F253229E7F79FE7667E" xlink:to="loc_us-gaap_ShortTermLeaseCost_5A8B79E686AEA4E76908E7F79FE7A080" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseCost" xlink:label="loc_us-gaap_LeaseCost_199713214A70B3CF629FE7F79FE78623" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_097A26F910BE0F253229E7F79FE7667E" xlink:to="loc_us-gaap_LeaseCost_199713214A70B3CF629FE7F79FE78623" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LeasesMaturitiesOfOperatingLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_6B691683CA8258C586AD72B68BACE411" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_C53CB65407F12089A3F472B68BAC6521" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_6B691683CA8258C586AD72B68BACE411" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_C53CB65407F12089A3F472B68BAC6521" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_48740550915A2B18C53272B68BAD6A51" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_6B691683CA8258C586AD72B68BACE411" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_48740550915A2B18C53272B68BAD6A51" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_4829D9E97C7D13C24C3E72B68BAD2BD0" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_6B691683CA8258C586AD72B68BACE411" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_4829D9E97C7D13C24C3E72B68BAD2BD0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_7DB574114F1274B693A272B68BADC953" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_6B691683CA8258C586AD72B68BACE411" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_7DB574114F1274B693A272B68BADC953" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_42B80A107ED43CA381E872B68BAD0010" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_6B691683CA8258C586AD72B68BACE411" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_42B80A107ED43CA381E872B68BAD0010" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" xlink:label="loc_powl_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_0AB53E4811C07238EDF472B68BAD5CF4" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_6B691683CA8258C586AD72B68BACE411" xlink:to="loc_powl_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_0AB53E4811C07238EDF472B68BAD5CF4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_E0F81822CD9BE5681F1A72B68BADC617" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_6B691683CA8258C586AD72B68BACE411" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_E0F81822CD9BE5681F1A72B68BADC617" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_4C0D437D1487EF342E9372B68BAE4F1D" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_6B691683CA8258C586AD72B68BACE411" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_4C0D437D1487EF342E9372B68BAE4F1D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_889E45A6D0750ECAA83D72B68BAEDD1C" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2009/role/netLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_6B691683CA8258C586AD72B68BACE411" xlink:to="loc_us-gaap_OperatingLeaseLiability_889E45A6D0750ECAA83D72B68BAEDD1C" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LeasesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_AE81C74AA5DD2F2D288EE7F79FE72561" xlink:type="locator" />
    <link:loc xlink:href="powl-20200630.xsd#powl_OperatingLeaseRightOfUseAssetLeaseAccrual" xlink:label="loc_powl_OperatingLeaseRightOfUseAssetLeaseAccrual_3762A64D7C2493A8F579E7F79FE7606C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_AE81C74AA5DD2F2D288EE7F79FE72561" xlink:to="loc_powl_OperatingLeaseRightOfUseAssetLeaseAccrual_3762A64D7C2493A8F579E7F79FE7606C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_468C6E8AC6CBAC697D8EE7F79FE75700" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_AE81C74AA5DD2F2D288EE7F79FE72561" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_468C6E8AC6CBAC697D8EE7F79FE75700" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_94C160EB6772B022B01BE7F79FE70727" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_AE81C74AA5DD2F2D288EE7F79FE72561" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_94C160EB6772B022B01BE7F79FE70727" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LeasesSummaryOfOperatingLeaseAssetsAndLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_E0BA01798C78F087ADDBE7F79FA8B4FD" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsAndLiabilitiesLesseeAbstract" xlink:label="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_8ABE899CFCDF57273201E7F79FA80858" xlink:type="locator" />
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_E0BA01798C78F087ADDBE7F79FA8B4FD" xlink:to="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_8ABE899CFCDF57273201E7F79FA80858" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_LeaseAssetsAbstractAbstract" xlink:label="loc_powl_LeaseAssetsAbstractAbstract_2AF0DD44D61A6BAC6495E7F79FA82256" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_8ABE899CFCDF57273201E7F79FA80858" xlink:to="loc_powl_LeaseAssetsAbstractAbstract_2AF0DD44D61A6BAC6495E7F79FA82256" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_E96962D80A4BF84B676AE7F79FA88D7D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_powl_LeaseAssetsAbstractAbstract_2AF0DD44D61A6BAC6495E7F79FA82256" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_E96962D80A4BF84B676AE7F79FA88D7D" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_LeaseLiabilitiesAbstract" xlink:label="loc_powl_LeaseLiabilitiesAbstract_0D8A3AC8CDC4CDB4B0EBE7F79FA8F567" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_8ABE899CFCDF57273201E7F79FA80858" xlink:to="loc_powl_LeaseLiabilitiesAbstract_0D8A3AC8CDC4CDB4B0EBE7F79FA8F567" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_0C767DE263613C1E0333E7F79FA8CEED" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_powl_LeaseLiabilitiesAbstract_0D8A3AC8CDC4CDB4B0EBE7F79FA8F567" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_0C767DE263613C1E0333E7F79FA8CEED" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_97FCAB56539D7428F77DE7F79FA83298" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_powl_LeaseLiabilitiesAbstract_0D8A3AC8CDC4CDB4B0EBE7F79FA8F567" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_97FCAB56539D7428F77DE7F79FA83298" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_3B70B0A66CB2A4D78138E7F79FA87FA4" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_powl_LeaseLiabilitiesAbstract_0D8A3AC8CDC4CDB4B0EBE7F79FA8F567" xlink:to="loc_us-gaap_OperatingLeaseLiability_3B70B0A66CB2A4D78138E7F79FA87FA4" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LeasesTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_1356D62E723C728E4D55E7F7A095F36A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseCostTableTextBlock" xlink:label="loc_us-gaap_LeaseCostTableTextBlock_90FB4DEA651BB4B55CA0E7F7A0952376" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_1356D62E723C728E4D55E7F7A095F36A" xlink:to="loc_us-gaap_LeaseCostTableTextBlock_90FB4DEA651BB4B55CA0E7F7A0952376" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_LesseeAssetsAndLiabilitiesTableTextBlock" xlink:label="loc_powl_LesseeAssetsAndLiabilitiesTableTextBlock_BDFC99C62DDD3C207765E7F7A0956DCF" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_1356D62E723C728E4D55E7F7A095F36A" xlink:to="loc_powl_LesseeAssetsAndLiabilitiesTableTextBlock_BDFC99C62DDD3C207765E7F7A0956DCF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_6F1C61717874E00787F8E7F7A09608C3" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_1356D62E723C728E4D55E7F7A095F36A" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_6F1C61717874E00787F8E7F7A09608C3" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LongTermDebt" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_8842BB706A1A3F8EA651E7F7A016F97D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="loc_us-gaap_LongTermDebtTextBlock_6521282926C6493C346FE7F7A02553EB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_8842BB706A1A3F8EA651E7F7A016F97D" xlink:to="loc_us-gaap_LongTermDebtTextBlock_6521282926C6493C346FE7F7A02553EB" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LongTermDebtComponentsOfLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_BC328FAB394C314FD48CE7F79FA8D19A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_AEDDE2760CC6E0B2458CE7F79FA81FD3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_BC328FAB394C314FD48CE7F79FA8D19A" xlink:to="loc_us-gaap_LongTermDebt_AEDDE2760CC6E0B2458CE7F79FA81FD3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_53FC73CC1A6DD078DEDBE7F79FA80C8F" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_BC328FAB394C314FD48CE7F79FA8D19A" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_53FC73CC1A6DD078DEDBE7F79FA80C8F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_EF59D419359C91DA1F5EE7F79FA830D0" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_BC328FAB394C314FD48CE7F79FA8D19A" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_EF59D419359C91DA1F5EE7F79FA830D0" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LongTermDebtNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_DF58B79EE893591DE22029FA89E079A7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_CF510369C2F30D6B75E929FA89E1490D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_DF58B79EE893591DE22029FA89E079A7" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_CF510369C2F30D6B75E929FA89E1490D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_00FEA9A36DAA2128E16B29FA89E1DAD1" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_CF510369C2F30D6B75E929FA89E1490D" xlink:to="loc_us-gaap_CreditFacilityAxis_00FEA9A36DAA2128E16B29FA89E1DAD1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_0D772682D9013442868E29FA89E2866F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_00FEA9A36DAA2128E16B29FA89E1DAD1" xlink:to="loc_us-gaap_CreditFacilityDomain_0D772682D9013442868E29FA89E2866F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DomesticLineOfCreditMember" xlink:label="loc_us-gaap_DomesticLineOfCreditMember_CCDC2F139E932DAB346E29FA89E20372" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_0D772682D9013442868E29FA89E2866F" xlink:to="loc_us-gaap_DomesticLineOfCreditMember_CCDC2F139E932DAB346E29FA89E20372" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_IndustrialDevelopmentRevenueBondsMember" xlink:label="loc_powl_IndustrialDevelopmentRevenueBondsMember_A20FB1159CC2D80615E429FA89E2DCE5" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_0D772682D9013442868E29FA89E2866F" xlink:to="loc_powl_IndustrialDevelopmentRevenueBondsMember_A20FB1159CC2D80615E429FA89E2DCE5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_C48C0E05F2182734480D29FA89E2E346" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_CF510369C2F30D6B75E929FA89E1490D" xlink:to="loc_us-gaap_DebtInstrumentAxis_C48C0E05F2182734480D29FA89E2E346" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_E626DC13A975998A0E7629FA89E2FEE0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_C48C0E05F2182734480D29FA89E2E346" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_E626DC13A975998A0E7629FA89E2FEE0" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_AmendedAndRestatedCreditAgreementMember" xlink:label="loc_powl_AmendedAndRestatedCreditAgreementMember_44A3B2CE75E1EDF90C9F29FA89E3EBEB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_E626DC13A975998A0E7629FA89E2FEE0" xlink:to="loc_powl_AmendedAndRestatedCreditAgreementMember_44A3B2CE75E1EDF90C9F29FA89E3EBEB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_7F9A8FC82CCCEAA9E0A529FA89E39269" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_CF510369C2F30D6B75E929FA89E1490D" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_7F9A8FC82CCCEAA9E0A529FA89E39269" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_CFD79ACD5DD86F5A240029FA89E3A2C5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_7F9A8FC82CCCEAA9E0A529FA89E39269" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_CFD79ACD5DD86F5A240029FA89E3A2C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancialStandbyLetterOfCreditMember" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_22A02846A0971580974429FA89E427A5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_CFD79ACD5DD86F5A240029FA89E3A2C5" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_22A02846A0971580974429FA89E427A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_30155F830D9F931C03FC29FA89E48BDB" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_CF510369C2F30D6B75E929FA89E1490D" xlink:to="loc_us-gaap_VariableRateAxis_30155F830D9F931C03FC29FA89E48BDB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_559CE3E703C9E709588429FA89E4A33F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateAxis_30155F830D9F931C03FC29FA89E48BDB" xlink:to="loc_us-gaap_VariableRateDomain_559CE3E703C9E709588429FA89E4A33F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FederalFundsEffectiveSwapRateMember" xlink:label="loc_us-gaap_FederalFundsEffectiveSwapRateMember_AABDA324447E4E6DDCBE29FA89E42421" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_559CE3E703C9E709588429FA89E4A33F" xlink:to="loc_us-gaap_FederalFundsEffectiveSwapRateMember_AABDA324447E4E6DDCBE29FA89E42421" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_6AC57738028535EEC35929FA89E4C558" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_559CE3E703C9E709588429FA89E4A33F" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_6AC57738028535EEC35929FA89E4C558" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BaseRateMember" xlink:label="loc_us-gaap_BaseRateMember_3C6A436320742CC10C4D29FA89E5C90A" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_559CE3E703C9E709588429FA89E4A33F" xlink:to="loc_us-gaap_BaseRateMember_3C6A436320742CC10C4D29FA89E5C90A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_94366E8774D186A3F64129FA89E568D9" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_CF510369C2F30D6B75E929FA89E1490D" xlink:to="loc_srt_RangeAxis_94366E8774D186A3F64129FA89E568D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_6102939459C453653C4029FA89E5D721" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_94366E8774D186A3F64129FA89E568D9" xlink:to="loc_srt_RangeMember_6102939459C453653C4029FA89E5D721" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_599F26586916A49E4F1029FA89E539BB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_6102939459C453653C4029FA89E5D721" xlink:to="loc_srt_MinimumMember_599F26586916A49E4F1029FA89E539BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_46E25C58419917DB4A7E29FA89E60BAD" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_6102939459C453653C4029FA89E5D721" xlink:to="loc_srt_MaximumMember_46E25C58419917DB4A7E29FA89E60BAD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_CF510369C2F30D6B75E929FA89E1490D" xlink:to="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_2A8CF7F6B5AE73F3171F29FA89E625D5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_2A8CF7F6B5AE73F3171F29FA89E625D5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_FDBD3ED080A1B2BFA88129FA89E738B9" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_us-gaap_LongTermDebt_FDBD3ED080A1B2BFA88129FA89E738B9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_1E7D68B6FB055DFA642A29FA89E7D6D9" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_1E7D68B6FB055DFA642A29FA89E7D6D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_15B48559724B154B05AF29FA89E76973" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_15B48559724B154B05AF29FA89E76973" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_DebtInstrumentCovenantLeverageRatioMaximumAllowed" xlink:label="loc_powl_DebtInstrumentCovenantLeverageRatioMaximumAllowed_F800BCFE5B36459E103629FA89E8CCC2" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_powl_DebtInstrumentCovenantLeverageRatioMaximumAllowed_F800BCFE5B36459E103629FA89E8CCC2" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_DebtInstrumentCovenantInterestCoverageRatioMinimum" xlink:label="loc_powl_DebtInstrumentCovenantInterestCoverageRatioMinimum_4064FBA590C4822B5CFB29FA89E89978" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_powl_DebtInstrumentCovenantInterestCoverageRatioMinimum_4064FBA590C4822B5CFB29FA89E89978" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_LineOfCreditFacilityCollateralAmount" xlink:label="loc_powl_LineOfCreditFacilityCollateralAmount_E32F447D9D8D9EFCEAEE29FA89E8F63E" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_powl_LineOfCreditFacilityCollateralAmount_E32F447D9D8D9EFCEAEE29FA89E8F63E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_6F6A24DD687CD46150D829FA89E832E0" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_6F6A24DD687CD46150D829FA89E832E0" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_PercentageOfDomesticCapitalStockPledgedAsCollateralForCreditFacility" xlink:label="loc_powl_PercentageOfDomesticCapitalStockPledgedAsCollateralForCreditFacility_DADB939496F06E57D78D29FA89E8FDDF" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_powl_PercentageOfDomesticCapitalStockPledgedAsCollateralForCreditFacility_DADB939496F06E57D78D29FA89E8FDDF" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_PercentageOfNonDomesticCapitalStockPledgedAsCollateralForCreditFacility" xlink:label="loc_powl_PercentageOfNonDomesticCapitalStockPledgedAsCollateralForCreditFacility_1A903E6FACDFBFF1DA0A29FA89E9CE2E" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_powl_PercentageOfNonDomesticCapitalStockPledgedAsCollateralForCreditFacility_1A903E6FACDFBFF1DA0A29FA89E9CE2E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_D15B6BAA4EB148366B6B29FA89E936EA" xlink:type="locator" />
    <link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_D15B6BAA4EB148366B6B29FA89E936EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAnnualPrincipalPayment" xlink:label="loc_us-gaap_DebtInstrumentAnnualPrincipalPayment_670455A47EBD37883D5C29FA89E93CD3" xlink:type="locator" />
    <link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_us-gaap_DebtInstrumentAnnualPrincipalPayment_670455A47EBD37883D5C29FA89E93CD3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_C9A6951B16C0CD332C8E29FA89E9B0C3" xlink:type="locator" />
    <link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5B2C4C97586D8C0B217129FA89E6973B" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_C9A6951B16C0CD332C8E29FA89E9B0C3" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LongTermDebtTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_98E9A1B426BA255C9BDFE7F79FE753E6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_3F2C911D2393D89DAC31E7F79FE7CAAC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_98E9A1B426BA255C9BDFE7F79FE753E6" xlink:to="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_3F2C911D2393D89DAC31E7F79FE7CAAC" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/OverviewAndSummaryOfSignificantAccountingPolicies" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_15DEE1F17AD5735C938CE7F79FA8AC60" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_A50F38D3CD6A716FF19BE7F79FA807F5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_15DEE1F17AD5735C938CE7F79FA8AC60" xlink:to="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_A50F38D3CD6A716FF19BE7F79FA807F5" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/OverviewAndSummaryOfSignificantAccountingPoliciesNewAccountingStandardDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_8545546741F38B0554CD9269E21BCDFD" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_BD1E1B090212F3D29F0E9269E21B82AE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_8545546741F38B0554CD9269E21BCDFD" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_BD1E1B090212F3D29F0E9269E21B82AE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionAxis" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_B656C885B61F36A7DB50926FA6FE457E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_BD1E1B090212F3D29F0E9269E21B82AE" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_B656C885B61F36A7DB50926FA6FE457E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_AFEE13F74DA82726882B927256E26A99" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_B656C885B61F36A7DB50926FA6FE457E" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_AFEE13F74DA82726882B927256E26A99" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_B840E573B0E43FBF8B81926FFA694580" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_AFEE13F74DA82726882B927256E26A99" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_B840E573B0E43FBF8B81926FFA694580" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_4D8F4A5F2CCAD64F18C69269E21B2344" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_BD1E1B090212F3D29F0E9269E21B82AE" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_4D8F4A5F2CCAD64F18C69269E21B2344" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_30EE87AE9D8161124F629269E21B441F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_4D8F4A5F2CCAD64F18C69269E21B2344" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_30EE87AE9D8161124F629269E21B441F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_FA59CAB5731AB4D84FF59269E21BB27A" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_4D8F4A5F2CCAD64F18C69269E21B2344" xlink:to="loc_us-gaap_OperatingLeaseLiability_FA59CAB5731AB4D84FF59269E21BB27A" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/OverviewAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_E02BCCB162DBE3751E74E7F79FA8ADD1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_5A65D5B103947146FC06E7F79FA8C6F9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E02BCCB162DBE3751E74E7F79FA8ADD1" xlink:to="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_5A65D5B103947146FC06E7F79FA8C6F9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates_AB405A11C6BE865C4616E7F79FA8FC6B" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E02BCCB162DBE3751E74E7F79FA8ADD1" xlink:to="loc_us-gaap_UseOfEstimates_AB405A11C6BE865C4616E7F79FA8FC6B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_B099D4D25AC307881482E7F79FA8E146" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E02BCCB162DBE3751E74E7F79FA8ADD1" xlink:to="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_B099D4D25AC307881482E7F79FA8E146" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerPolicyTextBlock" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_D58A5A89BB30D4D180B4E7F79FA8B547" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E02BCCB162DBE3751E74E7F79FA8ADD1" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_D58A5A89BB30D4D180B4E7F79FA8B547" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/Revenue" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_74C3FAA2119E4CD47251E7F7A016CF68" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_256210B451E4E0D331C6E7F7A016B546" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_74C3FAA2119E4CD47251E7F7A016CF68" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_256210B451E4E0D331C6E7F7A016B546" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/RevenueContractBalancesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_417CCF032E62044631D172B68C159428" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_E83744E8DCBA18F381E672B68C1516E7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_417CCF032E62044631D172B68C159428" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_E83744E8DCBA18F381E672B68C1516E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_109C193244195E75BAC072B68C16506D" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_417CCF032E62044631D172B68C159428" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_109C193244195E75BAC072B68C16506D" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_ContractWithCustomerAssetLiabilityNetCurrent" xlink:label="loc_powl_ContractWithCustomerAssetLiabilityNetCurrent_EBD362B74C349F78E38172B68C1644E1" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_417CCF032E62044631D172B68C159428" xlink:to="loc_powl_ContractWithCustomerAssetLiabilityNetCurrent_EBD362B74C349F78E38172B68C1644E1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_DF99AA43024B983017AF72B68C16C8CD" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_417CCF032E62044631D172B68C159428" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_DF99AA43024B983017AF72B68C16C8CD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLoss" xlink:label="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLoss_2445E707DCFBB29D308C72B68C174ED1" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_417CCF032E62044631D172B68C159428" xlink:to="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLoss_2445E707DCFBB29D308C72B68C174ED1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossCurrent" xlink:label="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossCurrent_1D223E772317324A09DB72B68C17C916" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_417CCF032E62044631D172B68C159428" xlink:to="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossCurrent_1D223E772317324A09DB72B68C17C916" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossNoncurrent" xlink:label="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossNoncurrent_1F7EBA0958D18B09A20E72B68C17A1A3" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_417CCF032E62044631D172B68C159428" xlink:to="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossNoncurrent_1F7EBA0958D18B09A20E72B68C17A1A3" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/RevenueDisaggregationOfRevenueDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_41000DE6CE8729DA3CE8E7F7A0710985" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_8AD19D60EEBD6DEDAF4BE7F7A071E38E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_41000DE6CE8729DA3CE8E7F7A0710985" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_8AD19D60EEBD6DEDAF4BE7F7A071E38E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis_ADC727D4C4DE35BD73D7E7F7A071EDF0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_8AD19D60EEBD6DEDAF4BE7F7A071E38E" xlink:to="loc_srt_StatementGeographicalAxis_ADC727D4C4DE35BD73D7E7F7A071EDF0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_35C1D9ADEAA26998598CE7F7A07157E3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementGeographicalAxis_ADC727D4C4DE35BD73D7E7F7A071EDF0" xlink:to="loc_srt_SegmentGeographicalDomain_35C1D9ADEAA26998598CE7F7A07157E3" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_US" xlink:label="loc_country_US_4DB511338157C10B312DE7F7A0725D6E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_35C1D9ADEAA26998598CE7F7A07157E3" xlink:to="loc_country_US_4DB511338157C10B312DE7F7A0725D6E" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_CA" xlink:label="loc_country_CA_2812E33938DE6A1358AFE7F7A072727F" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_35C1D9ADEAA26998598CE7F7A07157E3" xlink:to="loc_country_CA_2812E33938DE6A1358AFE7F7A072727F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EMEAMember" xlink:label="loc_us-gaap_EMEAMember_B5F015C14F24C9ED3A98E7F7A072CB52" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_35C1D9ADEAA26998598CE7F7A07157E3" xlink:to="loc_us-gaap_EMEAMember_B5F015C14F24C9ED3A98E7F7A072CB52" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_AsiaPacificMember" xlink:label="loc_srt_AsiaPacificMember_7F5AAEA82B1A91DC5454E7F7A072E31D" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_35C1D9ADEAA26998598CE7F7A07157E3" xlink:to="loc_srt_AsiaPacificMember_7F5AAEA82B1A91DC5454E7F7A072E31D" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_MexicoCentralAmericaAndSouthAmericaMember" xlink:label="loc_powl_MexicoCentralAmericaAndSouthAmericaMember_133E4A63603472459606E7F7A0736457" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_35C1D9ADEAA26998598CE7F7A07157E3" xlink:to="loc_powl_MexicoCentralAmericaAndSouthAmericaMember_133E4A63603472459606E7F7A0736457" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_951EE91E6E36B0952D34E7F7A0738CC1" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_8AD19D60EEBD6DEDAF4BE7F7A071E38E" xlink:to="loc_srt_ProductOrServiceAxis_951EE91E6E36B0952D34E7F7A0738CC1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_C714954D56E228F2F8D2E7F7A073B6E8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_951EE91E6E36B0952D34E7F7A0738CC1" xlink:to="loc_srt_ProductsAndServicesDomain_C714954D56E228F2F8D2E7F7A073B6E8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OilAndGasServiceMember" xlink:label="loc_us-gaap_OilAndGasServiceMember_A69FE6C43C630A0BD7C6E7F7A073059E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_C714954D56E228F2F8D2E7F7A073B6E8" xlink:to="loc_us-gaap_OilAndGasServiceMember_A69FE6C43C630A0BD7C6E7F7A073059E" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_PetrochemicalMember" xlink:label="loc_powl_PetrochemicalMember_7C72BB0AD25CA7CC83DDE7F7A07391EE" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_C714954D56E228F2F8D2E7F7A073B6E8" xlink:to="loc_powl_PetrochemicalMember_7C72BB0AD25CA7CC83DDE7F7A07391EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ElectricityMember" xlink:label="loc_us-gaap_ElectricityMember_07E125CEBCDEA07B683BE7F7A074510B" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_C714954D56E228F2F8D2E7F7A073B6E8" xlink:to="loc_us-gaap_ElectricityMember_07E125CEBCDEA07B683BE7F7A074510B" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_TractionPowerCustomerMember" xlink:label="loc_powl_TractionPowerCustomerMember_0EDF6E0D50BA2A0C7004E7F7A074CEA2" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_C714954D56E228F2F8D2E7F7A073B6E8" xlink:to="loc_powl_TractionPowerCustomerMember_0EDF6E0D50BA2A0C7004E7F7A074CEA2" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_OtherCustomersMember" xlink:label="loc_powl_OtherCustomersMember_C39CB8F05D554855B322E7F7A074D7D8" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_C714954D56E228F2F8D2E7F7A073B6E8" xlink:to="loc_powl_OtherCustomersMember_C39CB8F05D554855B322E7F7A074D7D8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_305E20A040BE03B3DE37E7F7A07409A7" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_8AD19D60EEBD6DEDAF4BE7F7A071E38E" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_305E20A040BE03B3DE37E7F7A07409A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_0C65ED26D0B197E2BB60E7F7A074E81C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_305E20A040BE03B3DE37E7F7A07409A7" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_0C65ED26D0B197E2BB60E7F7A074E81C" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/RevenueNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_1EA64A056506E22D7767E7F7A078F582" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_BFEA14FB2979BCDD0A63E7F7A078F74F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_1EA64A056506E22D7767E7F7A078F582" xlink:to="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_BFEA14FB2979BCDD0A63E7F7A078F74F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TimingOfTransferOfGoodOrServiceAxis" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_EC94BD75167D997C498DE7F7A0787C43" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_BFEA14FB2979BCDD0A63E7F7A078F74F" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_EC94BD75167D997C498DE7F7A0787C43" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_D3C9BD4C046B9B7E37B2E7F7A079FC65" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_EC94BD75167D997C498DE7F7A0787C43" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_D3C9BD4C046B9B7E37B2E7F7A079FC65" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TransferredOverTimeMember" xlink:label="loc_us-gaap_TransferredOverTimeMember_7B78E65BD862AA249533E7F7A079E054" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_D3C9BD4C046B9B7E37B2E7F7A079FC65" xlink:to="loc_us-gaap_TransferredOverTimeMember_7B78E65BD862AA249533E7F7A079E054" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TransferredAtPointInTimeMember" xlink:label="loc_us-gaap_TransferredAtPointInTimeMember_A7511F8C906F15C2B473E7F7A079ACF0" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_D3C9BD4C046B9B7E37B2E7F7A079FC65" xlink:to="loc_us-gaap_TransferredAtPointInTimeMember_A7511F8C906F15C2B473E7F7A079ACF0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_24A6E265B7E0C8632018E7F7A07948C4" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_BFEA14FB2979BCDD0A63E7F7A078F74F" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_24A6E265B7E0C8632018E7F7A07948C4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_D7FFE2747F2365B26885E7F7A07AD1EB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_24A6E265B7E0C8632018E7F7A07948C4" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_D7FFE2747F2365B26885E7F7A07AD1EB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductConcentrationRiskMember" xlink:label="loc_us-gaap_ProductConcentrationRiskMember_727A651781FAFAC940C9E7F7A07A64FE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_D7FFE2747F2365B26885E7F7A07AD1EB" xlink:to="loc_us-gaap_ProductConcentrationRiskMember_727A651781FAFAC940C9E7F7A07A64FE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_0BF7EF5D82B9865467D9E7F7A07AD7CA" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_BFEA14FB2979BCDD0A63E7F7A078F74F" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_0BF7EF5D82B9865467D9E7F7A07AD7CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_DA32C878B305BEE1E5C8E7F7A07AD82E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_0BF7EF5D82B9865467D9E7F7A07AD7CA" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_DA32C878B305BEE1E5C8E7F7A07AD82E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerMember" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_DFC3AA5BDAA0A9A5B8E8E7F7A07A56A9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_DA32C878B305BEE1E5C8E7F7A07AD82E" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_DFC3AA5BDAA0A9A5B8E8E7F7A07A56A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:label="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_7B7824A9FADBB817FE16E7F7A07B475B" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_BFEA14FB2979BCDD0A63E7F7A078F74F" xlink:to="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_7B7824A9FADBB817FE16E7F7A07B475B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_521E4D4DE69F285F0100E7F7A07B5FC4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_7B7824A9FADBB817FE16E7F7A07B475B" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_521E4D4DE69F285F0100E7F7A07B5FC4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress" xlink:label="loc_us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress_6C3BE84FB1EBD1703710E7F7A07BF254" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_7B7824A9FADBB817FE16E7F7A07B475B" xlink:to="loc_us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress_6C3BE84FB1EBD1703710E7F7A07BF254" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/RevenuePerformanceObligationsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_AAB9E41FECE5F204C4DFE7F79FC8E66C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_A2319C5CD6C662E13257E7F79FC8008A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_AAB9E41FECE5F204C4DFE7F79FC8E66C" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_A2319C5CD6C662E13257E7F79FC8008A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_AD2292631A1EA2251091E7F79FC83C73" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_AAB9E41FECE5F204C4DFE7F79FC8E66C" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_AD2292631A1EA2251091E7F79FC83C73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_3842B2B4A14220A30DC6E7F79FC8E87F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_AD2292631A1EA2251091E7F79FC83C73" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_3842B2B4A14220A30DC6E7F79FC8E87F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_E176A0330DB86395D211E7F79FC8F892" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_AD2292631A1EA2251091E7F79FC83C73" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_E176A0330DB86395D211E7F79FC8F892" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_1ADA6F290F33D85E583CE7F79FC8F7D2" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_E176A0330DB86395D211E7F79FC8F892" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_1ADA6F290F33D85E583CE7F79FC8F7D2" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/RevenueTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_2337BCBD9BDB25E5252CE7F7A036740C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:label="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_FBB50A80D7537FC228FDE7F7A03648E9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_2337BCBD9BDB25E5252CE7F7A036740C" xlink:to="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_FBB50A80D7537FC228FDE7F7A03648E9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:label="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_56CB34813A5C6E5A6B48E7F7A037D543" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_2337BCBD9BDB25E5252CE7F7A036740C" xlink:to="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_56CB34813A5C6E5A6B48E7F7A037D543" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/SeparationCosts" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_73826C2D00E49A723C4A9269E0DDF51B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_ACE6F6490B9D2C1EFBF49269E0DDB37C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_73826C2D00E49A723C4A9269E0DDF51B" xlink:to="loc_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_ACE6F6490B9D2C1EFBF49269E0DDB37C" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/SeparationCostsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_20137D071EBCC67711829269E0DD6F77" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_3111B45CBE86C17EB1469269E0DD534C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_20137D071EBCC67711829269E0DD6F77" xlink:to="loc_us-gaap_RestructuringCharges_3111B45CBE86C17EB1469269E0DD534C" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/StockBasedCompensation" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_C45B4DF01D1488529E6AE7F7A016A5CE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_17127CE87227D2679EF1E7F7A0160E19" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_C45B4DF01D1488529E6AE7F7A016A5CE" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_17127CE87227D2679EF1E7F7A0160E19" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/StockBasedCompensationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_AF50A2F4A498CC766626E7F7A048CF60" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_839F8E5DCF05D31224F1E7F7A0484364" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_AF50A2F4A498CC766626E7F7A048CF60" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_839F8E5DCF05D31224F1E7F7A0484364" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_A80284C332CEBCF07AA6E7F7A048DBFE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_839F8E5DCF05D31224F1E7F7A0484364" xlink:to="loc_us-gaap_AwardTypeAxis_A80284C332CEBCF07AA6E7F7A048DBFE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_102AB61F127EEA78DD12E7F7A0497976" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_A80284C332CEBCF07AA6E7F7A048DBFE" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_102AB61F127EEA78DD12E7F7A0497976" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_A0C0B5FD9ABAD9FD242CE7F7A049971E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_102AB61F127EEA78DD12E7F7A0497976" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_A0C0B5FD9ABAD9FD242CE7F7A049971E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_457FA094D775E613F3F4E7F7A0497642" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_102AB61F127EEA78DD12E7F7A0497976" xlink:to="loc_us-gaap_RestrictedStockMember_457FA094D775E613F3F4E7F7A0497642" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_338BF0D2D3507B3CF3F1E7F7A04AC657" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_839F8E5DCF05D31224F1E7F7A0484364" xlink:to="loc_us-gaap_StatementClassOfStockAxis_338BF0D2D3507B3CF3F1E7F7A04AC657" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_4998B704CA53CC4F9140E7F7A04A1902" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_338BF0D2D3507B3CF3F1E7F7A04AC657" xlink:to="loc_us-gaap_ClassOfStockDomain_4998B704CA53CC4F9140E7F7A04A1902" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_TimeBasedRestrictedStockUnitMember" xlink:label="loc_powl_TimeBasedRestrictedStockUnitMember_F4AA0F7FAF50F6BACF22E7F7A04A5284" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_4998B704CA53CC4F9140E7F7A04A1902" xlink:to="loc_powl_TimeBasedRestrictedStockUnitMember_F4AA0F7FAF50F6BACF22E7F7A04A5284" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_PerformanceBasedRestrictedStockUnitMember" xlink:label="loc_powl_PerformanceBasedRestrictedStockUnitMember_BF6355DF773FB13A28CFE7F7A04A7A50" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_4998B704CA53CC4F9140E7F7A04A1902" xlink:to="loc_powl_PerformanceBasedRestrictedStockUnitMember_BF6355DF773FB13A28CFE7F7A04A7A50" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_2270CFC3E2FA61759B86E7F7A04AE36E" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_839F8E5DCF05D31224F1E7F7A0484364" xlink:to="loc_us-gaap_PlanNameAxis_2270CFC3E2FA61759B86E7F7A04AE36E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_AA59627B42F9A7E9DB0DE7F7A04ABCA1" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameAxis_2270CFC3E2FA61759B86E7F7A04AE36E" xlink:to="loc_us-gaap_PlanNameDomain_AA59627B42F9A7E9DB0DE7F7A04ABCA1" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_NonEmployeeDirectorEquityIncentivePlanMember" xlink:label="loc_powl_NonEmployeeDirectorEquityIncentivePlanMember_B0DA9FC22D987174F74AE7F7A04B4F94" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameDomain_AA59627B42F9A7E9DB0DE7F7A04ABCA1" xlink:to="loc_powl_NonEmployeeDirectorEquityIncentivePlanMember_B0DA9FC22D987174F74AE7F7A04B4F94" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_38738BBABE30E92D5F2DE7F7A04B999B" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_839F8E5DCF05D31224F1E7F7A0484364" xlink:to="loc_us-gaap_VestingAxis_38738BBABE30E92D5F2DE7F7A04B999B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_A71FB74CD1EE7EA77FBEE7F7A04B4056" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingAxis_38738BBABE30E92D5F2DE7F7A04B999B" xlink:to="loc_us-gaap_VestingDomain_A71FB74CD1EE7EA77FBEE7F7A04B4056" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_BA0AEBD9524A029211FEE7F7A04B84B0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_A71FB74CD1EE7EA77FBEE7F7A04B4056" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_BA0AEBD9524A029211FEE7F7A04B84B0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_80144DFB20A312A401BAE7F7A04C3E56" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_A71FB74CD1EE7EA77FBEE7F7A04B4056" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_80144DFB20A312A401BAE7F7A04C3E56" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CC769A19256B4194866E7F7A04CCD43" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_839F8E5DCF05D31224F1E7F7A0484364" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CC769A19256B4194866E7F7A04CCD43" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_A71C038796C348B7784BE7F7A04C2F75" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CC769A19256B4194866E7F7A04CCD43" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_A71C038796C348B7784BE7F7A04C2F75" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_8CDE1E125DCE27254B53E7F7A04CA0AC" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CC769A19256B4194866E7F7A04CCD43" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_8CDE1E125DCE27254B53E7F7A04CA0AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_0598B3DDB8946AC92EF6E7F7A04C88BE" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CC769A19256B4194866E7F7A04CCD43" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_0598B3DDB8946AC92EF6E7F7A04C88BE" xlink:type="arc" />
    <link:loc xlink:href="powl-20200630.xsd#powl_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualSharesIssuable" xlink:label="loc_powl_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualSharesIssuable_C0A4CCDCBBCCEA503ADEE7F7A04D7785" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CC769A19256B4194866E7F7A04CCD43" xlink:to="loc_powl_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualSharesIssuable_C0A4CCDCBBCCEA503ADEE7F7A04D7785" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1951D351F597253147A9E7F7A04D84B4" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CC769A19256B4194866E7F7A04CCD43" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1951D351F597253147A9E7F7A04D84B4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_2E181E9C0D2FE294AEEDE7F7A04DE775" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CC769A19256B4194866E7F7A04CCD43" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_2E181E9C0D2FE294AEEDE7F7A04DE775" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="loc_us-gaap_SharesIssuedPricePerShare_D3D71BF8909BCE5C4C21E7F7A04DDDDB" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CC769A19256B4194866E7F7A04CCD43" xlink:to="loc_us-gaap_SharesIssuedPricePerShare_D3D71BF8909BCE5C4C21E7F7A04DDDDB" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/StockBasedCompensationScheduleOfRestrictedStockUnitsActivityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1B5A4EB315538AAEFA27E7F79FF6BA7A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_29950861D2708F38A10AE7F79FF6E1E2" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1B5A4EB315538AAEFA27E7F79FF6BA7A" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_29950861D2708F38A10AE7F79FF6E1E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_DD3DB9F945AA0EA0B3B8E7F79FF67070" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_29950861D2708F38A10AE7F79FF6E1E2" xlink:to="loc_us-gaap_AwardTypeAxis_DD3DB9F945AA0EA0B3B8E7F79FF67070" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7D6CCB2358C1D53DE4FEE7F79FF6F59B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_DD3DB9F945AA0EA0B3B8E7F79FF67070" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7D6CCB2358C1D53DE4FEE7F79FF6F59B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_93A9225E907446A82FA8E7F79FF690EA" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7D6CCB2358C1D53DE4FEE7F79FF6F59B" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_93A9225E907446A82FA8E7F79FF690EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_A42B2DCD05B511424EADE7F79FF622B8" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_29950861D2708F38A10AE7F79FF6E1E2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_A42B2DCD05B511424EADE7F79FF622B8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3A5E42282BB65342803CE7F79FF6B53E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_A42B2DCD05B511424EADE7F79FF622B8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3A5E42282BB65342803CE7F79FF6B53E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_3AD9CA76547BA40291F1E7F79FF6A993" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3A5E42282BB65342803CE7F79FF6B53E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_3AD9CA76547BA40291F1E7F79FF6A993" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_AC9DF8CC7EF465035571E7F79FF62098" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_3AD9CA76547BA40291F1E7F79FF6A993" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_AC9DF8CC7EF465035571E7F79FF62098" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_B033FD4B74123D22AB5CE7F79FF62827" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_3AD9CA76547BA40291F1E7F79FF6A993" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_B033FD4B74123D22AB5CE7F79FF62827" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_5516D05EE49DDC30115FE7F79FF63926" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_3AD9CA76547BA40291F1E7F79FF6A993" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_5516D05EE49DDC30115FE7F79FF63926" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_F2C42ED6EEB0A2E64845E7F79FF68611" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_3AD9CA76547BA40291F1E7F79FF6A993" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_F2C42ED6EEB0A2E64845E7F79FF68611" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_8286B162B0C7A7D185E1E7F79FF67741" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_3AD9CA76547BA40291F1E7F79FF6A993" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_8286B162B0C7A7D185E1E7F79FF67741" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_39AEA66D64853339DAA9E7F79FF6AD27" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3A5E42282BB65342803CE7F79FF6B53E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_39AEA66D64853339DAA9E7F79FF6AD27" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_418107A8B04BC47D6AACE7F79FF6C1D0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_39AEA66D64853339DAA9E7F79FF6AD27" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_418107A8B04BC47D6AACE7F79FF6C1D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_E84340679C9C00B96C36E7F79FF6DAB1" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_39AEA66D64853339DAA9E7F79FF6AD27" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_E84340679C9C00B96C36E7F79FF6DAB1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_F90AD6E27E29FFAD5134E7F79FF6B8F0" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_39AEA66D64853339DAA9E7F79FF6AD27" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_F90AD6E27E29FFAD5134E7F79FF6B8F0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_00BD25FFE558DDED61EBE7F79FF611E8" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_39AEA66D64853339DAA9E7F79FF6AD27" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_00BD25FFE558DDED61EBE7F79FF611E8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_D7C4E9BD1C43F1345AF0E7F79FF64186" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_39AEA66D64853339DAA9E7F79FF6AD27" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_D7C4E9BD1C43F1345AF0E7F79FF64186" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/StockBasedCompensationTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_F9134AEA319D82FBA666E7F7A016EAF4" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_797EB24B13A7287AEAC0E7F7A0167CF6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_F9134AEA319D82FBA666E7F7A016EAF4" xlink:to="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_797EB24B13A7287AEAC0E7F7A0167CF6" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/SubsequentEvents" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract_E474B9EDAD6A6EA0C7782A119971DDC6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_559C251FD9B20AA083762A11997115A7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventsAbstract_E474B9EDAD6A6EA0C7782A119971DDC6" xlink:to="loc_us-gaap_SubsequentEventsTextBlock_559C251FD9B20AA083762A11997115A7" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.powellind.com/role/SubsequentEventsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract_4C0FFEE885046FA8573F72B68B9439E9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_DBDBEA0D7A2181E151DE72B68B95E92A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventsAbstract_4C0FFEE885046FA8573F72B68B9439E9" xlink:to="loc_us-gaap_SubsequentEventTable_DBDBEA0D7A2181E151DE72B68B95E92A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_33DF6C7C93136B9846E172B68B95976D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_DBDBEA0D7A2181E151DE72B68B95E92A" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_33DF6C7C93136B9846E172B68B95976D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_34CF1BC9E2A45CAF416F72B68B9540F1" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_33DF6C7C93136B9846E172B68B95976D" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_34CF1BC9E2A45CAF416F72B68B9540F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_19793F1A3569A9D7245872B68B967429" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_34CF1BC9E2A45CAF416F72B68B9540F1" xlink:to="loc_us-gaap_SubsequentEventMember_19793F1A3569A9D7245872B68B967429" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_DE19725D132C32410A2172B68B966240" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_DBDBEA0D7A2181E151DE72B68B95E92A" xlink:to="loc_us-gaap_SubsequentEventLineItems_DE19725D132C32410A2172B68B966240" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_ACB63BF4ADED3FF73E0872B68B96185D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_DE19725D132C32410A2172B68B966240" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_ACB63BF4ADED3FF73E0872B68B96185D" xlink:type="arc" />
  </link:presentationLink>
</link:linkbase>
