1、Edition1.02025-04INTERNATIONALSTANDARDNORMEINTERNATIONALEElectricalrelays-Testsandmeasurements-Part20:MechanicalenduranceRelaiselectriques-Essaisetmesurages-Partie20:Endurancemecanique(vUs)寸o，geoede&egco9。山一THISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright2025IEC,Geneva,SwitzerlandAllrightsreserved.Unles
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15、DNORMEINTERNATIONALEElectricalrelays-Testsandmeasurements一Part20:MechanicalenduranceRelaiselectriques-Essaisetmesurages-Partie20:EndurancemecaniqueINTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATIONALEICS29.120.70ISBN978-2-8327-0353-3Warning!Makesurethatyouobtainedthispublic
16、ationfromanauthorizeddistributor.Attention!Veuillezvousassurerquevousavezobtenucettepublicationviaundistributeuragree.RegisteredtrademarkoftheInternationalElectrotechnicalCommissionMarquedeposeedeIaCommissionElectrotechniqueInternationaleCONTENTSFOREWORD31 Scope52 Normativereferences53 Termsanddefin
17、itions54 Testprocedure64.1 Purpose64.2 Procedure64.2.1 General64.2.2 Method1:Continuouschecking64.2.3 Method2:Intermediatechecking64.3 Conditionstobespecified75 Evaluation75.1 General75.1.1 Numberofcycles75.1.2 Visualinspection75.1.3 Finalmeasurement75.2 Testreport7INTERNATIONALELECTROTECHNICALCOMMI
18、SSIONELECTRICALRELAYS-TESTSANDMEASUREMENTS-Part20:MechanicalenduranceFOREWORD1) TheInternationalElectrotechnicalCommission(IEC)isaworldwideorganizationforstandardizationcomprisingallnationalelectrotechnicalcommittees(IECNationalCommittees).TheobjectofIECistopromoteinternationalco-operationonallquest
19、ionsconcerningstandardizationintheelectricalandelectronicfields.Tothisendandinadditiontootheractivities,IECpublishesInternationalStandards,TechnicalSpecifications,TechnicalReports,PubliclyAvailableSpecifications(PAS)andGuides(hereafterreferredtoasIECPubIication(三).Theirpreparationisentrustedtotechni
20、calcommittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmayparticipateinthispreparatorywork.International,governmentalandnon-governmentalorganizationsliaisingwiththeIECalsoparticipateinthispreparation.IECcollaboratescloselywiththeInternationalOrganizationforStandardization(ISO)inaccordan
21、cewithconditionsdeterminedbyagreementbetweenthetwoorganizations.2) TheformaldecisionsoragreementsofIEContechnicalmattersexpress,asnearlyaspossible,aninternationalconsensusofopinionontherelevantsubjectssinceeachtechnicalcommitteehasrepresentationfromallinterestedIECNationalCommittees.3) IECPublicatio
22、nshavetheformofrecommendationsforinternationaluseandareacceptedbyIECNationalCommitteesinthatsense.WhileallreasonableeffortsaremadetoensurethatthetechnicalcontentofIECPublicationsisaccurate,IECcannotbeheldresponsibleforthewayinwhichtheyareusedorforanymisinterpretationbyanyenduser.4) Inordertopromotei
23、nternationaluniformity,IECNationalCommitteesundertaketoapplyIECPublicationstransparentlytothemaximumextentpossibleintheirnationalandregionalpublications.AnydivergencebetweenanyIECPublicationandthecorrespondingnationalorregionalpublicationshallbeclearlyindicatedinthelatter.5) IECitselfdoesnotprovidea
24、nyattestationofconformity.Independentcertificationbodiesprovideconformityassessmentservicesand,insomeareas,accesstoIECmarksofconformity.IECisnotresponsibleforanyservicescarriedoutbyindependentcertificationbodies.6) Allusersshouldensurethattheyhavethelatesteditionofthispublication.7) Noliabilityshall
25、attachtoIECoritsdirectors,employees,servantsoragentsincludingindividualexpertsandmembersofitstechnicalcommitteesandIECNationalCommitteesforanypersonalinjury,propertydamageorotherdamageofanynaturewhatsoever,whetherdirectorindirect,orforcosts(includinglegalfees)andexpensesarisingoutofthepublication,us
26、eof,orrelianceupon,thisIECPublicationoranyotherIECPublications.8) AttentionisdrawntotheNormativereferencescitedinthispublication.Useofthereferencedpublicationsisindispensableforthecorrectapplicationofthispublication.9) IECdrawsattentiontothepossibilitythattheimplementationofthisdocumentmayinvolvethe
27、useof（八）patent(三).IECtakesnopositionconcerningtheevidence,validityorapplicabilityofanyclaimedpatentrightsinrespectthereof.Asofthedateofpublicationofthisdocument,IEChadnotreceivednoticeof（八）patent(三),whichmayberequiredtoimplementthisdocument.However,implementersarecautionedthatthismaynotrepresentthel
28、atestinformation,whichmaybeobtainedfromthepatentdatabaseavailableathttps:/patents.iec.ch.IECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.IEC63522-20hasbeenpreparedbyIECtechnicalcommittee94:Electricalrelays.ItisanInternationalStandard.ThetextofthisInternationalStandardisbasedonthef
29、ollowingdocuments:DraftReportonvoting94/1062/FDIS94/1113/RVDFullinformationonthevotingforitsapprovalcanbefoundinthereportonvotingindicatedintheabovetable.ThelanguageusedforthedevelopmentofthisInternationalStandardisEnglish.ThisdocumentwasdraftedinaccordancewithISO/IECDirectives,Part2,anddevelopedina
30、ccordancewithISO/IECDirectives,Part1andISO/IECDirectives,IECSupplement,availableatwww.iec.ch/members_experts/refdocs.ThemaindocumenttypesdevelopedbyIECaredescribedingreaterdetailatwww.iec.ch/publications.AlistofallpartsofIEC63522series,publishedunderthegeneraltitleElectricalrelays-Testsandmeasuremen
31、ts,canbefoundontheIECwebsite.ThisInternationalStandardistobeusedinconjunctionwithIEC63522-0:-1.ThecommitteehasdecidedthatthecontentsofthisdocumentwillremainunchangeduntilthestabilitydateindicatedontheIECwebsiteunderwebstore.iec.chinthedatarelatedtothespecificdocument.Atthisdate,thedocumentwillbe rec
32、onfirmed, withdrawn,or revised.Electricalrelays-TESTSANDMEASUREMENTS-Part20:Mechanicalendurance1 ScopeThispartofIEC63522isusedfortestingalongwiththeappropriateseveritiesandconditionsformeasurementsandtestsdesignedtoassesstheabilityofDUTstoperformunderexpectedconditionsoftransportation,storageandalla
33、spectsofoperationaluse.Thisdocumentdefinesastandardtestmethodformechanicalendurance.2 NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelateste
34、ditionofthereferenceddocument(includinganyamendments)applies.IEC63522-0:-Underpreparation.Stageatthetimeofpublication:IECCDV63522-0:2024.3,Electricalrelays-Testsandmeasurements-Part0:Testing-GeneralandguidanceIEC63522-6,Electricalrelays-Testsandmeasurements-Part6:Contact-circuitresistance(orvoltaged
35、rop)IEC63522-7:-3,Electricalrelays-Testsandmeasurements-Part7:FunctionaltestsIEC63522-45,Electricalrelays-Testsandmeasurements-Part45:Maximumfrequencyofoperation3 TermsanddefinitionsForthepurposesofthisdocument,thetermsanddefinitionsgiveninIEC63522-0apply.ISOandIECmaintainterminologydatabasesforusei
36、nstandardizationatthefollowingaddresses: IECElectropedia:availableathttps:/www.electropedia.org/ ISOOnlinebrowsingplatform:availableathttps:/www.iso.org/obp4Testprocedure4.1 PurposeThetestdeterminesthemechanicalperformanceofrelaysunderspecifiedenergizationconditionsoveranextendednumberofcycles.NOTET
37、hemechanicalenduranceisunrelatedtoelectricalendurance.However,performedelectricalendurancecanbeassessedasamechanicalendurance.4.2 Procedure4.2.1 GeneralTherelayshallbeenergizedwiththeratedcoilvoltageoranappropriatevaluewithintheratedcoilvoltagerangeoroperativerangeandthetestshallbeconductedatambient
38、roomtemperatureorasotherwisespecified.Unlessotherwisespecified,themechanicalenduranceshallbeperformedwithnominalcoilvoltage.Foralternatecurrentcoildrivenrelays,theswitchingactionshallnotbesynchronouswiththesourceofthemonitoringcircuit.Thefrequencyofoperationshallbeasspecified;therelayshallattainboth
39、theoperateandrelease/resetconditionwithinonecycle.However5thefrequencyofoperationsshallbelessthanthemaximumfrequencyofoperationaccordingtoIEC63522-45,ifnototherwisespecifiedbyadetailedspecificationorthemanufacturer.Itisgoodpracticethatthechosencontactloadshouldensurereliablemonitoringoftheperformedc
40、ycle,whilstnotcausingalevelofwearofthecontactpointsthatmightdevaluethetest.ItisrecommendedtousealoadwithinCCOorCC1category.4.2.2 Method1:Continuouschecking4.2.2.1 WithcontactloadmonitoringThemechanicaloperationoftherelayshallbemonitoredelectrically,usingacontactloadasspecified.Thecontactloadchosensh
41、allensurereliablemonitoringoftheperformedcycles,whilenotcausingalevelofwearofthecontactpointsthatmightdevaluethetest.Itispermittedthatallthecontactsofthesametypeoftherelayareconnectedinparallel,orasspecifiedbytherelevantstandardsorthemanufacturer.NOTEItispossibletogathermoreinformationonthesinglecon
42、tactmonitoringforproductdevelopmentreasons.Thisisuptothemanufacturer.4.2.2.2 WithothermonitoringmeansItispermittedtouseothermonitoringmethodssuchasthecoilcurrentcurveorsensors.Reliablemonitoringoftheperformedcycleshallbeensured.4.2.3 Method2:IntermediatecheckingIntermediatecheckingshallbemadeasspeci
43、fiedbythemanufacturer,butatleastateach20%ofthespecifiedmechanicalendurance.4.3 ConditionstobespecifiedThevalidinfluencequantitiesshallbeinaccordancewithIEC63522-0:-4.4.Theconditionstobespecifiedarethefollowing:a) method1or2;b) mountingconditions;c)energizationvalue;d)ambientconditions;e) totalnumber
44、ofcyclesortestdurationforeachcontactandnumberofcontactstobetestedsimultaneouslyornot;f) numberofcyclesperhouranddutyfactor;g)monitoringvoltageandcurrent,ifapplicable;h)contactconfigurationincaseofmultipolerelays;i)allowablenumberofmalfunctions.5Evaluation5.1 General5.1.1 Numberofcycles5.1.1.1 Method
45、1:ContinuouscheckingDuringthetest,theaccumulatednumberofmalfunctionsshallneverexceed0,1%ofthenumberofcyclesperformedattheendofthetest,orapercentagespecifiedbythemanufacturerordefinedinadetailedspecification.5.1.1.2 Method2:IntermediatecheckingThemeasuredintermediateparametersshallbeinaccordancewithI
46、EC63522-6andIEC63522-7withinthelimitsdefinedbythemanufacturerproductspecificationatanyintermediatecheckingduringtheendurancetest.5.1.2 VisualinspectionSubsequentlyforallrelaysavisualinspectionshallverifythemechanicalintegrityoftherelays.Forthispurpose,therelayscanbeopened.Partswhicharenecessaryforth
47、eproperfunctionoftherelay,oranysafetyrelatedparts,whicharelooseand/orbrokenshallbeconsideredafailure.NOTESafety-relatedpartsaredefinedaspartsthatensurecreepagedistancesandclearancesarerespected,aswellasprovidingprotectionagainstelectricalshockandensuringrequirementsonsolidinsulationaremet.5.1.3 Fina
48、lmeasurementAnyothermeasurements,ifapplicable.5.2 TestreportIfthisdocumentisexecutedasapartofatestrecordofanotherstandard,thentheresultsshallbereportedasrequiredintheotherstandard.Otherwise5itisrecommendedtoissueadedicatedtestreportaccordingtothisdocument.Thetestreportshallcontainalltheinformationnecessarytoreproducethetest.Inparticular,thefollowingshallberecorded: descriptionofDUT;testtemperature(三);testmethod; final
