IEC 61439-3-2024.docx

IECIEC61439-3Edition2.02024-03INTERNATIONA1.STANDARDNORMEINTERNATIONA1.Eorinside1.ow-vo1.tageswitchgearandcontro1.gearassemb1.ies-Part3:Distributionboardsintendedtobeoperatedbyordinarypersons(DBO)Ensemb1.esd'apparei1.1.ageabassetension-Partie3:Tab1.eauxderepartitiondestinesaetreuti1.isespardespersonnesOrdinaires(DBO)ATHISPUB1.ICATIONISCOPYRIGHTPROTECTEDCoPyright©2024IEC1Geneva,Switzer1.andAJ1.rightsreset伯&UnteesO1.herWigespecified,nopartofthisPUb1.iCaIkinmaybereproducedoruti1.izedinanyformOfAanymeans,e1.ectronicor11>eca11ca1.,inc1.udingpoxx>opyingandmcrofim.WnbOU1.permissioninWEEgfromeitherIECofIECmemberNationa1.CommieinIhecountryoftherequester.I!youhaveanyquestionsaboutIECcopyrighthaveanenquiryaboutOb1.aningancona1.rightstothsPUbtCagn.pte-ascontacttheaAJressbdoworyour1.oca1.IECmc11crNatKXIa1.COmn1.inC«f<xfurtherinformation.Droitsdereproductionr6sfv6s.Saufirxic1.ioncontraire.aucunepartiedece1.tepub1.icationnePeU1.!rereprodi1.eni*seesousqueuetof(11equecesoi1.etparaucuprocede.61ctron*queomecankjue,ycompe1.sIapotocopiee1.Iesm*croms.sansaccorde1.tde1.,IECOUduCOmCQnabona1.de11ECdupaysdudman6eur.SiVoUSavezCfeSquestionssufIecopyrightde11ECOd&VOUS<J6s1.fezObtenrdsdro<sSUPP1.QfnentaMe6surcedepub1.caron.UtiHseztescocxxnesCaPmSouco11taezIeCcmitd11atiade11CdevoirepaysderesidenceCSeaetanatTd.:“1229W02113.ruedoVarcmbcir<iecchCH-1211Geneva20w"w.1.ec.cSwitZerIancIAbouttheIECTheIntornationa1.E1.cctrotcchnica1.Commisskxi(IEC)isthe1.eadingg1.oba1.organizationthatproparcsandpub1.ishesIntefnabonaJStandardstora1.1.e1.ectrics,e<ectroncandrentedtechno1.ogies.AboutIECpub1.icationsTetechnica1.contentaIECpub1.icationsiskep(UndefconstantreviewbyIbeIEC.P1.easemakesurethatyouhavethe1.atesteddion.a<xxredmoranamendmentmighthavebeenPUbhSedIECpub1.icationssearch-WebstorejecxhadvsearchformTheadvancedsearchenab1.estofindIECpub1.icationsbyavarietyo1c11tenaIreterencerximbertext.technica1.oommi!tee.Rateogivesinformationonprojects,rep1.acedandwWdra*pub1.icationsIECJustPub1.ishedwcbstorc.icc.ch,justpub1.ishcdStayuptoda1.eona1.1.newIECpuMcat>or.JustPub1.sddtasa1.1.newpubcat>o5reteasedAvai1.ab1.eon1.ineandOnC8amonthWefnai1.IECCustomerServiceCentre-webstore,ec.ch-escHyouwishtogrv©USyourW1.ckonthispub1.icationorneedfurther35ststanco.p1.ease<11tacttheCus11crServiceCentre:sates»ec.ch.IECProducts&ServicesPorta1.-products.iec.chDiscoverourPowerIU1.searchengineandreadfree1.ya1.1.thePubiicatkxispreviews.graphica1.symbo1.sandth©grossary.Withasubscriptionyouw1.1.a1.wayshaveaccesstoup1.oda1.ententta(oredX>yourne«ds.E1.ectropedta-www.e1.edrope<fia.orgTbcwor1.dsIcacingon1.inedicborwryonccctrotcchnoogy.1.aningmorethan22500termnotogtetfentriesinEng1.sa11dFrenchwithOqUZa(Cn1.tefmSin25addf1.kxaUnu9gcsA1.soKnOWnasEeInternationa1.E9drotech11ca1.VocabUary(IEV)o11*11.Aproposde11EC1.aCOmfnISsonEJectrotechniqueIntefnaDonaIe(ICes1.IaPfgrnIEeorganisationmodiaequ1.ahoreetPubI哈desNormesIngrnagna1.eSpourtoutcequatra<!aMectricitdar*ctronquetau×Wchntfog»esapparents.Apropodespub1.icationsIEC1.eConIenUtechniquedespub1.icationsIECestCons1.anWTien1.revu.VeuiifezVoUSassurerqueVOUSposs6dezIedttionap1.usr6cenie.uncorrigendumouamendementPeU1.avoir66PUb1.i6.Recherchedepub1.icationsIEC-wet>store.iec.chadVsearchform1.ar<hcrctcva11coPefEmdeIrouvcrdc$PUbfCi1.bQnSIECnUHisantdiffre11tsCfiteresInUmfOdereference,1.itod,<udcs.E11cdo1111caussdcsinformationssurk»Pfoje1.Sa1.esPUbICaconsre<np1.acesourM33.IECJustPub1.ished-wet>s1.or.ec.ch,justpubhsedRostczinformdsurcs11ouvccspub1.icationsIECJustPub1.isheddwaIeSouve5puWica1.o11sparuesDisponibtecnIigncCtu11ck>isParmotsparCmaJ1.ServiceC1.ientswebsore.*ec.ch<ccSivous66reznousdonner<fescommenaressurce!½pub1.icationouSiVOuSavezdesquestionsco11taez-11ous:sa1.esPibc.c.IECProducts&ServicesPorta1.-products.1.ec.chOdcouvwznoir©putssa11(11x>wurderecherche©1nsUWzgratui1.ementIousIeeaerusdesPUbHMiO检Syrnbotesgraphjquse<tegossairAyeCunabomement.VOU6aurezEU)OUr$accd$au11COntCnU占jouradp*VQSbcsoi11s.E1.ectropedmwww.e1.ctrope<>taorg1.epremierdictionaifecf61.ecrocnoioeen1.neaumonde,avecp1.usde22500a11ctesIBEnO<ogqusenang1.ais©1efranais.nsiqe1.esefmes6quiva1.ensdans25Ianguesaddibo11e*sE9a1.mniappe<eVOCabU1.aKeEtectfotechniqueInjefnaionaJ(IEVenigne.IEC61439-3Edition2.02024-03INTERNATIONA1.STANDARDNORMEINTERNATIONA1.Eco1.ourinside1.ow-vo1.tageswitchgearandcontro1.gearassemb1.ies一Part3:Distributionboardsintendedtobeoperatedbyordinarypersons(DBO)Ensemb1.esdtapparei1.1.ageabassetension一Partie3:Tab1.eauxderepartitiondestinesaetreuti1.isespardespersonnesOrdinaires(DBO)Internatkdna1.E1.ECTROTECHNICA1.COMMISSIONCOMMISSIONE1.ECTROTECHNIQUEINTERNATK)NA1.ICS29.13020ISBN978-2-8322-8364-6Warning!F4akesurethatyouobtainedthispub1.icationfromanauthorizeddistributor.Attention!Veui1.1.ezvousassurerquevousavezobtenucettepub1.icationviaundistributeuragree.f95tcodItMttnartCrFe1.rtecmEWJWCh-AM1.CcrnnwtonKU>j<fA<taIaCorrrrauttnEtesgcfngggc*CONTENTSFOREWORD31 Scope52 Normativereferences53 Termsanddefinitions64 Symboteandabbreviations75 Interfacecharacteristics76 Information87 Servicenditins98 Constructiona1.requirements99 Performancerequirements1110 Designverification1111 Rti11eVoriticabon15Annexes18AnnexAA(Informative)ItemssubjecttoagreementbetweentheDBOmanufacturera11dthuser19AnnexBB011formatrve)Effec1.suponaDBOdesignandre1.atedratings,instructions,etc.whenusedinaPfoSUmerSe1.ectrica1.insta1.1.ation(PEI)23AnnexCC(informative)Ratedcurrentofanassemb1.y(11A)24AnnexDD(iformatvo>1.ISto1.notesconcerningCerta1.ncountries26Bib1.iography40FigureCC.1-Examp1.eofover1.oadingere/n+ge11(三)isgreaterthan11A25用。且T)D.d出a¾deof4empemtwe<iseveficekMby伯StMacompIe1.espIit4d32FigureDD.2-Ca1.ibrationofthetestcircuit36FigureDD.3-TestcircuittoproveCoordinaticxiotcharacteristics39Tabte101-Va1.uesofassumed1.oading16Taae102-Tighteningtorqueva1.uesf(xtheverificationofmechanica1.strength17TaWeAA.1-ItemssubjecttoagreementbetweentheOBOmanufacturerandtheuser19TaWeDD.1-RCqU1.rCnWntSforIina1.circuitprotectivedevices:OcuittxcakCfScomp1.yingwithBSEN6098andRCBOscomp1.yingwithBSEN6100933TabteDD.2-Requirementsforfina1.circuitprotectivedevices:Semienc1.osedfusesmp1.yi11gwithBS3036andcartridgefusesmp1.yingwithBS88.334TabteDD.3-Cross-sectionsofpperconductorson1.oadsideofprotectivedeviceundertest34TaWeDD.4-PreparationforTestB37INTERNATIONA1.E1.ECTROTECHNICA1.COMMISSION1.OW-VO1.TAGESWITCHGEARANDCONTRO1.GEARASSEMB1.IES-Part3:Distributionboardsintendedtobeoperatedbyordinarypersons(DBO)FOREWORDUThInfiematKXiUE1.ectrotechnica1.Commission(IECjtsaWMdWe8organzaonforstarjarzatjoncomprisingai1.nationa1.e1.ectrotechnica1.oommitees(IECNationa1.Conwitieee).Theobjecto!IECistoPfQmoIeJrrtefnationaicooperationona1.1.questionsconcerningstandardizationnthetect11caJande1.ectronic1>e<ds.Tothtsendandinaddiontooheractrvities.IECpuMsesintern4iiona1.Standards.Technica1.Specdicattons.TechnicaiReports.Pub1.cyAvai1.aMeSpecihcaUons(PAS)andGudes(heraherreferredtoas,1ECPWication<8).TherPrCPara1.kXIiscntrus1.odIot。ChniCmittees;anyIECNationa1.Committoci11KxGsodinthesubjectdea1.twthmayPameJPa轮ntsPfePiafakXyworkInternationa1.,governmenta1.andnongve<nfD1.a1.organizations1.>ais1.ngWiIhtheIECa1.soJXirticipatcinthisPrRParabQniECCoIIagratCSck>s<!ywththeInXxnationaIOrganizationkxSundafdizaiion(ISO)inaccordancewthCond砧OngdeierminedbyagreemenbetweentheMoOcganizattons.2Thekxma<tecsonsOragreementsotEContechnica1.mattersexpress,asnear1.yaspossW,ani11tema>onconsensusofopinionontherdva11tsuoc1.ssincec<mrttochasrcpro5011UtionfromainterestedIECNatkxiaiCorrvmttees.31IECPub1.icationshavethekxmOfrecommendationsf<xinternationa1.useandaroacccpXxibyIECNationa1.Committeesin!hsense.Vi1.ea1.1.reasonab1.eeffortsaremadetoensureIha!hetechnica1.oonientcIECPuWcatonsisaccraie.IECcannotbehe<dresponsiWforthewayinwhchtheyare¾6dorforanyminefpfetationbyanyenduser.4InordertopromoteInIema1»Oneuniformity.IECNationa1.Committeesudeaketoapp1.yIECPubUcatkxistransparent1.yx>themaximumextentposs>b1.inIheirnationa1.andrega1.PUbICabOns.AnydwgencbetweenanyIECPubicabonandthecorrespondingnationa1.regiona1.pub1.icationsha1.1.beCteartyindicatedinthe1.atter.5) IECits1.1.doesnotpvkanyattestationo1.co11kxmity.IncJependentcertrtca!>onbodiesprovideconformityasscssm<iservicesand.insomeareasaccesstoIECmarksdco11<xmi1.yIECisnotrcsposibtekxanyservicescarriedoutbyindependentCertHicaiionbodies.6) AJIusersshou1.densurethattheyhavetheIa1.es1.edrtkxofIhsPUb1.CatIom7) NoIiabiityshaattachtoIECor1.sdir<xkxs.CmPIoyccsservants<xa9c111.5rd5ngindividua1.expertsandmembersofitstechnica1.ConifnftteesandIECNationa1.Cofnmrtteesforanypersona1.injury,propertydamageJherdamageGfanynatureMa1.soevecwhetherdirectorindirect,orforcosts(inducing1.ega1.feesandexpensesarising<xjOf1.bepubicabon.usec.OrrMSnCeupon,thisIECPub1.icationoranyotherIECPuMcaBons.8) AticnbonisdrawnotheNormartwcreferencesCaCdinthispuWcatio11UseHthOrdcro11ccdpub1.icationst;indisensaWeforthecorrectaicaticn0!thisPUbiica1.iO儿91) IECdrawsaWenbontothePosSfedftythatthempteme11!a!xofthisdocumentmaynvo1.v©th©used（八）patcn1.(三),IECtakesnopositionconcerningtheevidence,vaidtyorappfcabityofanyc1.aimedpan1.nghtsinrespectWereot.AsO1.thedaotpub1.cat>nOimSdoCUfnea1.IEChadno!recved11ooceof（八）aent(三).whcmayber。WirCd>rnp1.c11jntthis<Jocumc11tHOWCVOrJEPkJEOnXxsarccautionedthattti$maynotrepresentthe1.atestindf11)ation.whichmaybeNXaInedhornthepatentdatabaseavai1.ab1.eat!s>7pae11!s.iec.c.IECsha1.1.notbehe1.drespon&btetorPeErfyinganyorasuchpet111.r>ghtsIEC614393hasbeenpreparedbysubcommittee12iB1.owv0ta9eswitchgearandcontro1.gearassemb1.es,ofIECmittee121:Switchgearandcont1.gearandtheirassemb1.iesfor1.owvo1.tage.ItisanInternationa1.Standard.ThissecondCditiOnCanCefeandrep1.aces(hoHS1.editionpub1.ished<12012Thiseditionconstitutesatechnica1.revision.Thiseditioninc1.udesthefo1.1.owingsignificanttechnica1.changeswithrespecttothepreviouse<*tion:a)a1.ignmentWiththestructureotIEC61439-1:2020:bindusiinthescopeofmoreexamp1.esofthetypeofprotectionand11tro1.devices:c) de1.etionofIypeAandtypeBDBOs;d) additionofanewAnnexBBre1.atedtoDBOsusedinaprosumer'se1.ectrica1.insta1.1.ation(P):e) additionofanewAnnexCCre1.atedtoratedcurrentOfaDBOwithadditiona1.sourceOtsupp1.yPara1.Ietsimu1.taneouaywtanothersourcethatt$connectedtotheDBOeg.PV.Thetextofthisinternationa1.Standardisk>asodonIhefo1.1.owingdocumentsDraftRepoHonvoting12®IgFDIS121BHeMWDFu1.1.informationonthevotingforitsapprova1.canbefoundinth©reportonvotingindktedintheabovetab1.e.The1.anguageusedforthedeve4opmetofthisInternationa1.StandardisEng1.ish.ThisdocumentwasdrattedinaccordancewithISO.,1ECDirectives.Part2.anddevk)pdinaccordancewithISQECDirectives,Part1andISO,IECDrec1.ives,IECSupp1.ement,avai1.ab1.eatvw.jec.ch'members-e×perts.,ref(tocs.ThemaindocumenttypesWeIOPedbyIECaredescribedingreaterdetai1.atrw.iec.ch.,pub1.>catios.ThisdocumentistobereadinconjunctionwithIEC61439-1:2020.Theprovisionsofthegenera1.rcsdea1.twithinIEC614391aon1.yapp1.icab1.etothisdocumentinsofarastheyareSPCCifEIycitod.Whenthis(Joc11>entstatesa(Jdition,-modification*orrepucemen.thereievanttex1.inIEC61439-1:2020IStobCadaedaccording1.y.Subdausesthatarenumberedwitha101(102.103.etc.)suf(areacJdibona1.tothesameSutx1.auseinIEC61439-1:2020.Tabtesandfiguresinthisdocumentthatarenewarenumberedstartingwith101.NewannexesinthisdocumentaretotteredAA.BB.etc.Thereader'sattentionisdrawntothefactthatAnnexDD1.istsa1.1.ofthe*insome-un(ryc1.ausesondifferingpracticesofa1.esspermanentnaturere1.atingtoIhesubjectofthis(JocumentA1.istofa1.1.partsintheIEC61439series,pub1.ishedunderthegenera1.tit1.e1.owvoJiagGSWCichgearandcontro1.gearasemb!ies.canbefoundontheIECwebsite.TheCOmmiIteehasdecidedthatthe11tentsofthisdocumentwi1.1.remainunchangedunti1.thestabi1.itydateindicatedontheIECwebsiteunderwbstoreec.chinthedatare1.atedtothespecifydocumentAtthisdate,thedocumentwi1.1.be reconfirmed. withdrawn,or revised.IMPORTANT-The"co1.ourInside"1.ogoonthecoverpageofthisdocumentindicatesthatitcontainsco1.ourswhichareconsideredtobeusefu1.torthecorrectunderstandingofttscontents.Usersshou1.dthereforeprintthisdocumentusingaco1.ourprinter.1.OW-VO1.TAGESWITCHGEARANDCONTRO1.GEARASSEMB1.IES-Part3:Distributionboardsintendedtobeoperatedbyordinarypersons(DBO)1 ScopeThispartofIEC61439definesthespecificrequirementsfordistributionboardsintendedtobeoperatedbyordinarypersons(abbreviatedDBOthroughoutthtsdocument,see3.1.101)asfo1.1.ov/s:- assemb1.iesintendedtobeoperatedbyordinarypersons(egswitchingopora1.ionsandrcangfuse1.inks),eg.indomest>c(househo1.d)app1.ications:- assemb1.iescontainingoutgoingcircuitswithprotectivedevicesintendedtobeoperatedbyOtcfcnafypersons,comp1.yingogwithIEC60898TJhGIEC6100series,theIEC61009series,IEC62606.IEC62423andIEC60269-3：- assemb1.ies1.otapp1.icationswherethnomina1.vo1.tagetoearthdocsnotexceed300VAC(seeTab1.eG1ofIEC614391:2020);NOTETevo1.tage1.imitskxDC3pp1.icabonsareundercoskferatio.- assemb1.ieswtharatedcurrent(nc)oftheoutgoingcircuitsnotexceeding125Aandaratedcurrent(11Anotexceeding250A;- assemb1.iesintendedforuseinconnectionwithIhegeneration,transmission,distributionandconversionofe1.ectaenergy,andforthecontro1.ofequipmentconsuminge1.ectrica1.energyandIorassoateddataprocessing；- enc1.osed,stationaryassemb1.ies;- assemb1.iesI(XindoororoutdooruseDBOscancontainprotectiondevices,11tro1.devices,signa1.1.ingdevicesa1.oneoracombinationofdevices.g.circuit-breakers,toadsheddingre1.ay,energymanagement,mmunicat>o11devices,1.ightingcontro1.Thisdocumentdoesnotapp1.ytoanemptye11ctosurenortoindividua1.devicesandse1.f-containedcomponents.suchascircuit-breakers,fuse-switches,e1.ectronicequipment,whichcomp1.ywiththere1.evantproductstandards.itdescribestheintegrationofdevices,orse1.f-containedcomponents,orboth,intoaOBO(Xintoanemptyenc1.osureformingaDBOThisdocumentapp1.iestoDBOsdesigned,manufactured,andverifiedonaone-offbasisorfuystandardizedandmanufacturedinquantity.Thisdocumentdoesnotapptytothespecifictypesofassemb1.iescoveredbyotherpartsoftheIEC61439series.NOTEEncbsurosforckincaaccessoriesIorMuschddands11iarfixed<Hcctricai11saatio11sarocoveredinIEC60670242 NormativereferencesThefo1.1.owingdocumentsarereferredtointhetextinsuchawaythatsomeora1.1.oftheir11tentco11strtu1.esrequirementsofthisdocument.Fordatedreferences,on1.ytheeditiontedapp1.ies.Forundatedreferences,the1.atesteditionofthereferenceddocument(inc1.udinganyamendments)app1.ies.C1.ause2ofIEC61439-1:2020isapp1.icab1.einadditiontothefo1.1