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首页 UL 508-2010 Industrial Control Equipment

UL 508-2010 Industrial Control Equipment.pdf

UL 508-2010 Industrial Control …

monster5515
2010-09-07 0人阅读 举报 0 0 暂无简介

简介:本文档为《UL 508-2010 Industrial Control Equipmentpdf》,可适用于工程科技领域

ULIndustrialControlEquipmentULStandardforSafetyforIndustrialControlEquipment,ULSeventeenthEdition,DatedJanuary,SummaryofTopicsTheserevisionstoANSIULarebeingissuedtoaddressuniversalupkeepofULStandardsforSafetyTheserevisionsareconsideredtobenonsubstantiveandnotsubjecttoUL’sSTPprocessTextthathasbeenchangedinanymannerorimpactedbyUL’selectronicpublishingsystemismarkedwithaverticallineinthemarginChangesinrequirementsaremarkedwithaverticallineinthemarginandarefollowedbyaneffectivedatenoteindicatingthedateofpublicationorthedateonwhichthechangedrequirementbecomeseffectiveAreferencetoULandoraPartstandardfromthatserieshasbeenaddedtothisstandardTheadditionofthisreferenceprovidesanalternatestandardforinvestigatingcomponentscurrentlycoveredbyULuntilOctober,ThisaddedreferencewillfacilitatetheuseofcomponentsthathavebeeninvestigatedtotheULseriesSuchcomponentshavebeendeterminedtofulfilltherequirementsofthelegacystandardsUL(thEdition)becomeseffectiveonOctober,AllcomponentsthatwerepreviouslyinvestigatedtotherequirementsinULwillhavetocomplywiththerequirementsineitherULandoraPartstandardfromthatseriesinordertomaintainULListingorRecognition,asappropriateULlegacycontrolstandardwillbewithdrawnonOctober,Thisisintendedtoprovideendproductmanufacturerswithsufficienttimetoa)addresstheimpactofthestandardschangesduringnormaldesignchangesovertheinterveningyears,b)submitanymodifiedproductsforinvestigation,andc)implementanynecessarychangesinproductionAllrightsreservedNopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformbyanymeans,electronic,mechanicalphotocopying,recording,orotherwisewithoutpriorpermissionofULULprovidesthisStandard″asis″withoutwarrantyofanykind,eitherexpressedorimplied,includingbutnotlimitedto,theimpliedwarrantiesofmerchantabilityorfitnessforanypurposeInnoeventwillULbeliableforanyspecial,incidental,consequential,indirectorsimilardamages,includinglossofprofits,lostsavings,lossofdata,oranyotherdamagesarisingoutoftheuseofortheinabilitytousethisStandard,evenifULoranauthorizedULrepresentativehasbeenadvisedofthepossibilityofsuchdamageInnoeventshallUL’sliabilityforanydamageeverexceedthepricepaidforthisStandard,regardlessoftheformoftheclaimUsersoftheelectronicversionsofUL’sStandardsforSafetyagreetodefend,indemnify,andholdULharmlessfromandagainstanyloss,expense,liability,damage,claim,orjudgment(includingreasonableattorney’sfees)resultingfromanyerrorordeviationintroducedwhilepurchaserisstoringanelectronicStandardonthepurchaser’scomputersystemTherequirementsinthisStandardarenowineffect,exceptforthoseparagraphs,sections,tables,figures,andorotherelementsoftheStandardhavingfutureeffectivedatesasindicatedinthenotefollowingtheaffecteditemThepriortextforrequirementsthathavebeenrevisedandthathaveafutureeffectivedatearelocatedaftertheStandard,andareprecededbya″SUPERSEDEDREQUIREMENTS″noticeAPRIL,−ULtrAPRIL,−ULtrNoTextonThisPageJANUARY,(TitlePageReprinted:April,)ULStandardforIndustrialControlEquipmentFirstEdition–September,SecondEdition–March,ThirdEdition–June,FourthEdition–February,FifthEdition–August,SixthEdition–May,SeventhEdition–July,EighthEdition–May,NinthEdition–December,TenthEdition–September,EleventhEdition–August,TwelfthEdition–May,ThirteenthEdition–December,FourteenthEdition–August,FifteenthEdition–September,SixteenthEdition–February,SeventeenthEditionJanuary,ThisANSIULStandardforSafetyconsistsoftheSeventeenthedition,includingrevisionsthroughApril,ThemostrecentdesignationofANSIULasanAmericanNationalStandard(ANSI)occurredonSeptember,ANSIapprovalforastandarddoesnotincludetheCoverPage,TransmittalPages,TitlePage,oreffectivedateinformationTheDepartmentofDefense(DoD)hasadoptedULonJune,ThepublicationofrevisedpagesoraneweditionofthisStandardwillnotinvalidatetheDoDadoptionCommentsorproposalsforrevisionsonanypartoftheStandardmaybesubmittedtoULatanytimeProposalsshouldbesubmittedviaaProposalRequestinUL’sOnLineCollaborativeStandardsDevelopmentSystem(CSDS)athttp:csdsulcomUL’sStandardsforSafetyarecopyrightedbyULNeitheraprintednorelectroniccopyofaStandardshouldbealteredinanywayAllofUL’sStandardsandallcopyrights,ownerships,andrightsregardingthoseStandardsshallremainthesoleandexclusivepropertyofULCOPYRIGHT©UNDERWRITERSLABORATORIESINCANSIULJULY,INDUSTRIALCONTROLEQUIPMENTULNoTextonThisPageCONTENTSINTRODUCTIONScopeGlossaryUnitsofMeasurementAComponentsBInstallationandOperationInstructionsPARTI–ALLEQUIPMENTENCLOSURECONSTRUCTIONFramesandEnclosureGeneralCastmetalSheetmetalDoorsandcoversBPolymericBondingResistancemeasurementOpeningsinenclosureVentilatingopeningsBarriersusedwithventilationopeningsForcedventilationObservationwindowsTransformerorautotransformerMotorcontrollerwirebendingspaceSpecificenclosuresAComponentsforuseonspecificenclosuresDAccessibilityoflivepartsProtectionAgainstCorrosionGeneralOutdoorenclosuresENCLOSUREPERFORMANCEGeneralSecurementofSnapOnCoverTestINSTRUCTIONSANDMARKINGSPERTAININGTOENCLOSURESPermanenceofMarkingDetailsJULY,INDUSTRIALCONTROLEQUIPMENTULDEVICECONSTRUCTIONGeneralBProtectionAgainstCorrosionBProvisionsforMountingBInsulatingMaterialBMeansforSwitchingLivePartsProtectiveDevicesGeneralProtectionofinternalprimaryandsecondarycontrolcircuitconductorsProtectionofcontrolcircuittransformerALowvoltageprotectionBOpenphaseprotectionPhasereversalprotectionCapacitorsFuseholdersInternalWiringGeneralRoutingofinternalwiringClampsandguidesFlexingofinternalwiringAdditionalinsulationSplicesandconnectionsSpliceinsulationExternalInterconnectionsOpenequipmentEnclosedequipmentInterconnectingcordsandcablesTransformersBlowerMotorsSupplyConnectionsGeneralPermanentlyconnectedequipmentTappedholesforconduitKnockoutsSizeofwiringterminalsandleadsAEvaluationofpressurewireconnectorsBEvaluationofquickconnectterminalsCEvaluationofwirebindingscrewsDEvaluationoffieldwiringleadsEEvaluationofspringtypeterminationsACordconnectedequipmentACordConnectedProgrammingandDiagnosticUnitsCCoilWindingsDRiskofElectricShockDRiskofFireDLithiumBatteryCircuitsNonLithiumBatteryCircuitsGeneralPrimarynonrechargeableSecondaryrechargeablenonrechargeableIsolatedSecondaryCircuitsJULY,INDUSTRIALCONTROLEQUIPMENTULGeneralDifferencesbetweenthelevelofevaluationrequiredwithineachtypeofsecondarycircuitClasscircuitrequirementsLimitedvoltagecurrentcircuitrequirementsLimitedvoltagecircuitrequirementsIsolatedpowersupplycircuitrequirementsALimitedenergycircuitrequirementsLimitingimpedancecircuitrequirementsLimitedVoltagePrimaryCircuitGeneralOvercurrentprotection–primarycircuitsOvercurrentprotection–secondarycircuitsSeparationofCircuitsIsolationDevicesASpacingsAInsulatingBarriersClampedInsulatingJointsinLieuofSpacings

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