IEC 63522-49 2025.docx

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1、Edition1.02025-04INTERNATIONALSTANDARDNORMEINTERNATIONALEElectricalrelays-Testsandmeasurements-Part49:LongtermstabilityofsealingRelaiselectriques-Essaisetmesurages-Partie49:StabilitealongtermedePetancheite(vUs)寸olneoea寸，eegco9。山一THISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright2025IEC,Geneva,SwitzerlandA

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5、votrepaysderesidence.IECSecretariat3,ruedeVarembeCH-1211Geneva20SwitzerlandTel.:+41229190211infoiec.chwww.iec.chAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.Abou

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14、pteavosbesoins.Electropedia-www.electropedia.orgLepremierdictionairedelectrotechnologieenIigneaumonde,avecplusde22500articlesterminologiquesenanglaisetenfranais,ainsiqueIestermesequivalentsdans25Ianguesadditionnelles.EgalementappeleVocabulaireElectrotechniqueInternational(IEV)enIigne.Edition1.02025-

15、04INTERNATIONALSTANDARDNORMEINTERNATIONALEElectricalrelays-Testsandmeasurements一Part49:LongtermstabilityofsealingRelaiselectriques-Essaisetmesurages-Partie49:StabilitealongtermedePetancheiteINTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATIONALEICS29.120.70ISBN978-2-8327-0365-6Warning!Makesurethatyouobtainedthispublicationfromanauthorizeddistributor.Attention!Veuillezvousassurerquevousavezobtenucettepublicationviaundistributeuragree.RegisteredtrademarkoftheInternationalElectrotechnicalCommissionMarquedeposeedeIaCommissionElectrotechniqueInternationale