IEC 63522-49 2025.docx

Edition1.02025-04INTERNATIONALSTANDARDNORMEINTERNATIONALEElectricalrelays-Testsandmeasurements-Part49:LongtermstabilityofsealingRelaiselectriques-Essaisetmesurages-Partie49:StabilitealongtermedePetancheite(vUs)寸olneoea寸，eegco9。山一THISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright©2025IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.Droitsdereproductionreserves.Saufindicationcontraire,aucunepartiedecettepublicationnepeutetrereproduiteniUtiliseesousquelqueformequecesoitetparaucunprocede,electroniqueoumecanique,ycomprisIaphotocopieetIesmicrofilms,sansaccordecritdeIECouduComitenationaldeIECdupaysdudemandeur.SivousavezdesquestionssurIecopyrightdeIECousivousdesirezobtenirdesdroitsSupplementairessurcettepublication,UtilisezIesCoordonneesci-apresoucontactezIeComitenationaldeIECdevotrepaysderesidence.IECSecretariat3,ruedeVarembeCH-1211Geneva20SwitzerlandTel.:+41229190211infoiec.chwww.iec.chAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,acorrigendumoranamendmentmighthavebeenpublished.IECpublicationssearch-webstore.iec.ch/advsearchformTheadvancedsearchenablestofindIECpublicationsbyavarietyofcriteria(referencenumber,text,technicalcommittee,.).Italsogivesinformationonprojects,replacedandwithdrawnpublications.IECJustPublished-webstore.iec.ch/justpublishedStayuptodateonallnewIECpublications.JustPublisheddetailsallnewpublicationsreleased.Availableonlineandonceamonthbyemail.IECCustomerServiceCentre-webstore.iec.ch/cscIfyouwishtogiveusyourfeedbackonthispublicationorneedfurtherassistance,pleasecontacttheCustomerServiceCentre:SaleSiec.ch.IECProducts&ServicesPortal-products.iec.chDiscoverourpowerfulsearchengineandreadfreelyallthepublicationspreviews,graphicalsymbolsandtheglossary.Withasubscriptionyouwillalwayshaveaccesstouptodatecontenttailoredtoyourneeds.Electropedia-www.electropedia.orgTheworld'sleadingonlinedictionaryonelectrotechnology,containingmorethan22500terminologicalentriesinEnglishandFrench,withequivalenttermsin25additionallanguages.AlsoknownastheInternationalElectrotechnicalVocabulary(IEV)online.AproposdeIECLaCommissionElectrotechniqueInternationale(IEC)estIapremiereorganisationmondialequielaboreetpubliedesNormesinternationalespourtoutcequiatraitaelectricite,aelectroniqueetauxtechnologiesapparentees.AproposdespublicationsIECLecontenutechniquedespublicationsIECestConstammentrevu.VeU川ezvousassurerquevouspossedezeditionIaplusrecente,uncorrigendumouamendementpeutavoiretepublie.RecherchedepublicationsIEC-webstore.iec.ch/advsearchformLarechercheavanceepermetdetrouverdespublicationsIECenUtilisantdifferentscriteres(numerodereference,texte,comited,etudes,.).ElledonneaussidesinformationssurIesprojetsetIespublicationsremplaceesouretirees.IECJustPublished-webstore.iec.ch/justpublishedRestezinformesurIesnouvellespublicationsIEC.JustPublisheddetailleIesnouvellespublicationsparues.DisponibleenIigneetunefoisparmoisparemail.ServiceClients-webstore.iec.ch/cscSivousdesireznousdonnerdesCommentairessurcettepublicationousivousavezdesquestionscontactez-nous:salesiec.ch.IECProducts&ServicesPortal-products.iec.chDecouvreznotrepuissantmoteurderechercheetconsultezgratuitementtousIesaperusdespublications,symbolesgraphiquesetIeglossaire.Avecunabonnement,vousaureztoujoursaccesauncontenuajouradapteavosbesoins.Electropedia-www.electropedia.orgLepremierdictionaired'electrotechnologieenIigneaumonde,avecplusde22500articlesterminologiquesenanglaisetenfranais,ainsiqueIestermesequivalentsdans25Ianguesadditionnelles.EgalementappeleVocabulaireElectrotechniqueInternational(IEV)enIigne.Edition1.02025-04INTERNATIONALSTANDARDNORMEINTERNATIONALEElectricalrelays-Testsandmeasurements一Part49:LongtermstabilityofsealingRelaiselectriques-Essaisetmesurages-Partie49:StabilitealongtermedePetancheiteINTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATIONALEICS29.120.70ISBN978-2-8327-0365-6Warning!Makesurethatyouobtainedthispublicationfromanauthorizeddistributor.Attention!Veuillezvousassurerquevousavezobtenucettepublicationviaundistributeuragree.RegisteredtrademarkoftheInternationalElectrotechnicalCommissionMarquedeposeedeIaCommissionElectrotechniqueInternationale