IEC/TR62271-306Edition1.02012-12TECHNICALREPORTHigh-voltageswitchgearandcontrolgear–Part306:GuidetoIEC62271-100,IEC62271-1andotherIECstandardsrelatedtoalternatingcurrentcircuit-breakersIEC/TR62271-306:2012(E)®colourinsideTHISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright©2012IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.IECCentralOfficeTel.:+412291902113,ruedeVarembéFax:+41229190300CH-1211Geneva20info@iec.chSwitzerlandwww.iec.chAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,acorrigendaoranamendmentmighthavebeenpublished.Usefullinks:IECpublicationssearch-www.iec.ch/searchpubTheadvancedsearchenablesyoutofindIECpublicationsbyavarietyofcriteria(referencenumber,text,technicalcommittee,…).Italsogivesinformationonprojects,replacedandwithdrawnpublications.IECJustPublished-webstore.iec.ch/justpublishedStayuptodateonallnewIECpublications.JustPublisheddetailsallnewpublicationsreleased.Availableon-lineandalsoonceamonthbyemail.Electropedia-www.electropedia.orgTheworld'sleadingonlinedictionaryofelectronicandelectricaltermscontainingmorethan30000termsanddefinitionsinEnglishandFrench,withequivalenttermsinadditionallanguages.AlsoknownastheInternationalElectrotechnicalVocabulary(IEV)on-line.CustomerServiceCentre-webstore.iec.ch/cscIfyouwishtogiveusyourfeedbackonthispublicationorneedfurtherassista...
