1、IECIEC61439-3Edition2.02024-03INTERNATIONA1.STANDARDNORMEINTERNATIONA1.Eorinside1.ow-vo1.tageswitchgearandcontro1.gearassemb1.ies-Part3:Distributionboardsintendedtobeoperatedbyordinarypersons(DBO)Ensemb1.esdapparei1.1.ageabassetension-Partie3:Tab1.eauxderepartitiondestinesaetreuti1.isespardespersonn
2、esOrdinaires(DBO)ATHISPUB1.ICATIONISCOPYRIGHTPROTECTEDCoPyright2024IEC1Geneva,Switzer1.andAJ1.rightsreset伯&UnteesO1.herWigespecified,nopartofthisPUb1.iCaIkinmaybereproducedoruti1.izedinanyformOfAanymeans,e1.ectronicor11eca11ca1.,inc1.udingpoxxopyingandmcrofim.WnbOU1.permissioninWEEgfromeitherIECofIE
3、CmemberNationa1.CommieinIhecountryoftherequester.I!youhaveanyquestionsaboutIECcopyrighthaveanenquiryaboutOb1.aningancona1.rightstothsPUbtCagn.pte-ascontacttheaAJressbdoworyour1.oca1.IECmc11crNatKXIa1.COmn1.inCfxfurtherinformation.Droitsdereproductionr6sfv6s.Saufirxic1.ioncontraire.aucunepartiedece1.
4、tepub1.icationnePeU1.!rereprodi1.eni*seesousqueuetof(11equecesoi1.etparaucuprocede.61ctron*queomecankjue,ycompe1.sIapotocopiee1.Iesm*croms.sansaccorde1.tde1.,IECOUduCOmCQnabona1.de11ECdupaysdudman6eur.SiVoUSavezCfeSquestionssufIecopyrightde11ECOd&VOUSJ6s1.fezObtenrdsdrosSUPP1.QfnentaMe6surcedepub1.c
5、aron.UtiHseztescocxxnesCaPmSouco11taezIeCcmitd11atiade11CdevoirepaysderesidenceCSeaetanatTd.:“1229W02113.ruedoVarcmbciriecchCH-1211Geneva20ww.1.ec.cSwitZerIancIAbouttheIECTheIntornationa1.E1.cctrotcchnica1.Commisskxi(IEC)isthe1.eadingg1.oba1.organizationthatproparcsandpub1.ishesIntefnabonaJStandards
6、tora1.1.e1.ectrics,eectroncandrentedtechno1.ogies.AboutIECpub1.icationsTetechnica1.contentaIECpub1.icationsiskep(UndefconstantreviewbyIbeIEC.P1.easemakesurethatyouhavethe1.atesteddion.aor.JustPub1.sddtasa1.1.newpubcato5reteasedAvai1.ab1.eon1.ineandOnC8amonthWefnai1.IECCustomerServiceCentre-webstore,
7、ec.ch-escHyouwishtogrvUSyourW1.ckonthispub1.icationorneedfurther35ststanco.p1.easeyourneds.E1.ectropedta-www.e1.edropefia.orgTbcwor1.dsIcacingon1.inedicborwryonccctrotcchnoogy.1.aningmorethan22500termnotogtetfentriesinEng1.sa11dFrenchwithOqUZa(Cn1.tefmSin25addf1.kxaUnu9gcsA1.soKnOWnasEeInternationa1
8、E9drotech11ca1.VocabUary(IEV)o11*11.Aproposde11EC1.aCOmfnISsonEJectrotechniqueIntefnaDonaIe(ICes1.IaPfgrnIEeorganisationmodiaequ1.ahoreetPubI哈desNormesIngrnagna1.eSpourtoutcequatrastore.iec.chadVsearchform1.arhcrctcva11coPefEmdeIrouvcrdc$PUbfCi1.bQnSIECnUHisantdiffre11tsCfiteresInUmfOdereference,1.
9、itod,udcs.E11cdo1111caussdcsinformationssurkPfoje1.Sa1.esPUbICaconsres1.or.ec.ch,justpubhsedRostczinformdsurcs11ouvccspub1.icationsIECJustPub1.isheddwaIeSouve5puWica1.o11sparuesDisponibtecnIigncCtu11ckisParmotsparCmaJ1.ServiceC1.ientswebsore.*ec.chccSivous66reznousdonnerwurderecherche1nsUWzgratui1.e
10、mentIousIeeaerusdesPUbHMiO检SyrnbotesgraphjqusetegossairAyeCunabomement.VOU6aurezEU)OUr$accd$au11COntCnU占jouradp*VQSbcsoi11s.E1.ectropedmwww.e1.ctropetaorg1.epremierdictionaifecf61.ecrocnoioeen1.neaumonde,avecp1.usde22500a11ctesIBEnOogqusenang1.ais1efranais.nsiqe1.esefmes6quiva1.ensdans25Ianguesaddib
11、o11e*sE9a1.mniappejfA1.ISto1.notesconcerningCerta1.ncountries26Bib1.iography40FigureCC.1-Examp1.eofover1.oadingere/n+ge11(三)isgreaterthan11A25用。且T)D.d出adeof4empemtweeds.Tothtsendandinaddiontooheractrvities.IECpuMsesintern4iiona1.Standards.Technica1.Specdicattons.TechnicaiReports.Pub1.cyAvai1.aMeSpec
12、ihcaUons(PAS)andGudes(heraherreferredtoas,1ECPWication8).TherPrCPara1.kXIiscntrus1.odIot。ChniCmittees;anyIECNationa1.Committoci11KxGsodinthesubjectdea1.twthmayPameJPa轮ntsPfePiafakXyworkInternationa1.,governmenta1.andnongveais1.ngWiIhtheIECa1.soJXirticipatcinthisPrRParabQniECCoIIagratCScks!ywththeInX
13、xnationaIOrganizationkxSundafdizaiion(ISO)inaccordancewthCond砧OngdeierminedbyagreemenbetweentheMoOcganizattons.2Thekxmaonconsensusofopinionontherdva11tsuoc1.ssincecmrttochasrcpro5011UtionfromainterestedIECNatkxiaiCorrvmttees.31IECPub1.icationshavethekxmOfrecommendationsfxinternationa1.useandaroacccp
14、XxibyIECNationa1.Committeesin!hsense.Vi1.ea1.1.reasonab1.eeffortsaremadetoensureIha!hetechnica1.oonientcIECPuWcatonsisaccraie.IECcannotbehethemaximumextentpossb1.inIheirnationa1.andrega1.PUbICabOns.AnydwgencbetweenanyIECPubicabonandthecorrespondingnationa1.regiona1.pub1.icationsha1.1.beCteartyindica
15、tedinthe1.atter.5) IECits1.1.doesnotpvkanyattestationo1.co11kxmity.IncJependentcertrtca!onbodiesprovideconformityasscssmiservicesand.insomeareasaccesstoIECmarksdco11xmi1.yIECisnotrcsposibtekxanyservicescarriedoutbyindependentCertHicaiionbodies.6) AJIusersshou1.densurethattheyhavetheIa1.es1.edrtkxofI
16、hsPUb1.CatIom7) NoIiabiityshaattachtoIECor1.sdirxkxs.CmPIoyccsservantsxa9c111.5rd5ngindividua1.expertsandmembersofitstechnica1.ConifnftteesandIECNationa1.Cofnmrtteesforanypersona1.injury,propertydamageJherdamageGfanynatureMa1.soevecwhetherdirectorindirect,orforcosts(inducing1.ega1.feesandexpensesari
17、singnOimSdoCUfnea1.IEChadno!recved11ooceof（八）aent(三).whcmayber。WirCdrnp1.c11jntthis7pae11!s.iec.c.IECsha1.1.notbehe1.drespon&btetorPeErfyinganyorasuchpet111.rghtsIEC614393hasbeenpreparedbysubcommittee12iB1.owv0ta9eswitchgearandcontro1.gearassemb1.es,ofIECmittee121:Switchgearandcont1.gearandtheirasse
18、mb1.iesfor1.owvo1.tage.ItisanInternationa1.Standard.ThissecondCditiOnCanCefeandrep1.aces(hoHS1.editionpub1.ished12012Thiseditionconstitutesatechnica1.revision.Thiseditioninc1.udesthefo1.1.owingsignificanttechnica1.changeswithrespecttothepreviouseasodonIhefo1.1.owingdocumentsDraftRepoHonvoting12IgFDI
19、S121BHeMWDFu1.1.informationonthevotingforitsapprova1.canbefoundinthreportonvotingindktedintheabovetab1.e.The1.anguageusedforthedeve4opmetofthisInternationa1.StandardisEng1.ish.ThisdocumentwasdrattedinaccordancewithISO.,1ECDirectives.Part2.anddevk)pdinaccordancewithISQECDirectives,Part1andISO,IECDrec
20、1.ives,IECSupp1.ement,avai1.ab1.eatvw.jec.chmembers-eperts.,ref(tocs.ThemaindocumenttypesWeIOPedbyIECaredescribedingreaterdetai1.atrw.iec.ch.,pub1.catios.ThisdocumentistobereadinconjunctionwithIEC61439-1:2020.Theprovisionsofthegenera1.rcsdea1.twithinIEC614391aon1.yapp1.icab1.etothisdocumentinsofaras
21、theyareSPCCifEIycitod.Whenthis(Joc11entstatesa(Jdition,-modification*orrepucemen.thereievanttex1.inIEC61439-1:2020IStobCadaedaccording1.y.Subdausesthatarenumberedwitha101(102.103.etc.)suf(areacJdibona1.tothesameSutx1.auseinIEC61439-1:2020.Tabtesandfiguresinthisdocumentthatarenewarenumberedstartingwi
22、th101.NewannexesinthisdocumentaretotteredAA.BB.etc.ThereadersattentionisdrawntothefactthatAnnexDD1.istsa1.1.ofthe*insome-un(ryc1.ausesondifferingpracticesofa1.esspermanentnaturere1.atingtoIhesubjectofthis(JocumentA1.istofa1.1.partsintheIEC61439series,pub1.ishedunderthegenera1.tit1.e1.owvoJiagGSWCich
23、gearandcontro1.gearasemb!ies.canbefoundontheIECwebsite.TheCOmmiIteehasdecidedthatthe11tentsofthisdocumentwi1.1.remainunchangedunti1.thestabi1.itydateindicatedontheIECwebsiteunderwbstoreec.chinthedatare1.atedtothespecifydocumentAtthisdate,thedocumentwi1.1.be reconfirmed. withdrawn,or revised.IMPORTAN
24、T-Theco1.ourInside1.ogoonthecoverpageofthisdocumentindicatesthatitcontainsco1.ourswhichareconsideredtobeusefu1.torthecorrectunderstandingofttscontents.Usersshou1.dthereforeprintthisdocumentusingaco1.ourprinter.1.OW-VO1.TAGESWITCHGEARANDCONTRO1.GEARASSEMB1.IES-Part3:Distributionboardsintendedtobeoper
25、atedbyordinarypersons(DBO)1 ScopeThispartofIEC61439definesthespecificrequirementsfordistributionboardsintendedtobeoperatedbyordinarypersons(abbreviatedDBOthroughoutthtsdocument,see3.1.101)asfo1.1.ov/s:- assemb1.iesintendedtobeoperatedbyordinarypersons(egswitchingopora1.ionsandrcangfuse1.inks),eg.ind
26、omestc(househo1.d)app1.ications:- assemb1.iescontainingoutgoingcircuitswithprotectivedevicesintendedtobeoperatedbyOtcfcnafypersons,comp1.yingogwithIEC60898TJhGIEC6100series,theIEC61009series,IEC62606.IEC62423andIEC60269-3：- assemb1.ies1.otapp1.icationswherethnomina1.vo1.tagetoearthdocsnotexceed300VA
27、C(seeTab1.eG1ofIEC614391:2020);NOTETevo1.tage1.imitskxDC3pp1.icabonsareundercoskferatio.- assemb1.ieswtharatedcurrent(nc)oftheoutgoingcircuitsnotexceeding125Aandaratedcurrent(11Anotexceeding250A;- assemb1.iesintendedforuseinconnectionwithIhegeneration,transmission,distributionandconversionofe1.ectae
28、nergy,andforthecontro1.ofequipmentconsuminge1.ectrica1.energyandIorassoateddataprocessing；- enc1.osed,stationaryassemb1.ies;- assemb1.iesI(XindoororoutdooruseDBOscancontainprotectiondevices,11tro1.devices,signa1.1.ingdevicesa1.oneoracombinationofdevices.g.circuit-breakers,toadsheddingre1.ay,energyma
29、nagement,mmunicato11devices,1.ightingcontro1.Thisdocumentdoesnotapp1.ytoanemptye11ctosurenortoindividua1.devicesandse1.f-containedcomponents.suchascircuit-breakers,fuse-switches,e1.ectronicequipment,whichcomp1.ywiththere1.evantproductstandards.itdescribestheintegrationofdevices,orse1.f-containedcomp
30、onents,orboth,intoaOBO(Xintoanemptyenc1.osureformingaDBOThisdocumentapp1.iestoDBOsdesigned,manufactured,andverifiedonaone-offbasisorfuystandardizedandmanufacturedinquantity.Thisdocumentdoesnotapptytothespecifictypesofassemb1.iescoveredbyotherpartsoftheIEC61439series.NOTEEncbsurosforckincaaccessories
31、IorMuschddands11iarfixedHcctricai11saatio11sarocoveredinIEC60670242 NormativereferencesThefo1.1.owingdocumentsarereferredtointhetextinsuchawaythatsomeora1.1.oftheir11tentco11strtu1.esrequirementsofthisdocument.Fordatedreferences,on1.ytheeditiontedapp1.ies.Forundatedreferences,the1.atesteditionofthereferenceddocument(inc1.udinganyamendments)app1.ies.C1.ause2ofIEC61439-1:2020isapp1.icab1.einadditiontothefo1.1
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