IEC60059Edition2.01999-06INTERNATIONALSTANDARDNORMEINTERNATIONALEIECstandardcurrentratingsCaractéristiquesdescourantsnormauxdelaCEIIEC60059:1999HORIZONTALSTANDARDNORMEHORIZONTALE®LICENSEDTOMECONLimited.-RANCHI/BANGALORE,FORINTERNALUSEATTHISLOCATIONONLY,SUPPLIEDBYBOOKSUPPLYBUREAU.THISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright©1999IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.Droitsdereproductionréservés.Saufindicationcontraire,aucunepartiedecettepublicationnepeutêtrereproduiteniutiliséesousquelqueformequecesoitetparaucunprocédé,électroniqueoumécanique,ycomprislaphotocopieetlesmicrofilms,sansl'accordécritdelaCEIouduComiténationaldelaCEIdupaysdudemandeur.SivousavezdesquestionssurlecopyrightdelaCEIousivousdésirezobtenirdesdroitssupplémentairessurcettepublication,utilisezlescoordonnéesci-aprèsoucontactezleComiténationaldelaCEIdevotrepaysderésidence.IECCentralOffice3,ruedeVarembéCH-1211Geneva20SwitzerlandEmail:inmail@iec.chWeb:www.iec.chAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,acorrigendaoranamendmentmighthavebeenpublished.�CatalogueofIECpublications:www.iec.ch/searchpubTheIECon-lineCatalogueenablesyoutosearchbyavarietyofcriteria(referencenumber,text,technicalcommittee,…).Italsogivesinformationonprojects,withdrawnandreplacedpublications.�IECJustPublished:ww...