1、IEC1EC61439-2三Edition 1.0 2009-01INTERNATIONALSTANDARDNORMEINTERNATIONALELow-voltage switchgear and controlgear assemblies-Part 2:Power switchgear and controlgear assembliesEnsembles dappareillage a basse tension-Partie 2:Ensembles dappareillage de puissancerking permitted without license from HSNoo
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16、9190300Copyright InteIEC1EC61439-2三Edition 1.0 2009-01INTERNATIONALSTANDARDNORMEINTERNATIONALELow-voltage switchgear and controlgear assembliesPart 2:Power switchgear and controlgear assembliesEnsembles dappareillage a basse tension-Partie 2:Ensembles dappareillage de puissanceINTERNATIONALELECTROTE
17、CHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATIONALEPRICE CODECODE PRIXS1CS29.130.301SBN2-8318-1017-9Registered trademark of the Intemational Electrotechnical Commissionom Comison Eectroechn Inemaionleed without license from IHS-2-61439-21EC:2009CONTENTSRR.81Scope.52 Normative references.3 Term
18、s and definitions.53.1General terms.53.2 Constructional units of PSC-ASSEMBLIES.64Symbols and abbreviations.75 Interface characteristics.76 Information76.1 PSC-ASSEMBLY designation marking77Service conditions.88 Constructional requirements.89 Performance requirements.1110 Design verification.1111 Ro
19、utine verifications.Anneges.15Annex AA(informative)Forms of internal separations(see 8.101).16Annex BB(informative)Items subject to agreement between the ASSEMBLYmanufacturer and the user.19Bibliography22Figure AA.1-Symbols used in Figures AA.2 and AA.3.16Figure AA.2-Forms 1 and 2.1Figure AA.3-Forms
20、 3 and 4.18Table 101-Values of assumed loading.12Table 102-Test voltages across the open contacts of equipment suitable for isolation.12Table 103-Electrical conditions for the different positions of withdrawable parts.13Table 104-Forms of internal separation.1461439-21EC:2009-3-INTERNATIONAL ELECTRO
21、TECHNICAL COMMISSIONLOW-VOLTAGE SWITCHGEAR ANDCONTROLGEAR ASSEMBLIESPart 2:Power switchgear and controlgear assembliesFOREWORD1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprisingall national electrotechnical committees(IEC National Committees
22、).The object of IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields.Tothis end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports,Publicly Available Specifica
23、tions(PAS)and Guides(hereafter referred to as IECPublication(s).Their preparation is entrusted to technical committees;any IEC National Committee interestedin the subject dealt with may participate in this preparatory work.International,governmental and non-governmental organizations liaising with t
24、he IEC also participate in this preparation.IEC collaborates closelywith the International Organization for Standardization(ISO)in accordance with conditions determined byagreement between the two organizations.2)The formal decisions or agreements of IEC on technical matters express,as nearly as pos
25、sible,an internationalconsensus of opinion on the relevant subjects since each technical committee has representation from allinterested IEC National Committees.3)IEC Publications have the form of recommendations for international use and are accepted by IEC NationaCommittees in that sense.While all
26、 reasonable efforts are made to ensure that the technical content of IECPublications is accurate,IEC cannot be held responsible for the way in which they are used or for anymisinterpretation by any end user.4)In order to promote international uniformity,IEC National Committees undertake to apply IEC
27、 Publicationstransparently to the maximum extent possible in their national and regional publications.Any divergencebetween any IEC Publication and the corresponding national or regional publication shall be clearly indicated inthe latter.5)IEC provides no marking procedure to indicate its approval
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29、mbers of its technical committees and IEC National Committees for any personal injury,property damage orother damage of any nature whatsoever,whether direct or indirect,or for costs(including legal fees)andexpenses arising out of the publication,use of,or reliance upon,this IEC Publication or any ot
30、her IECPublications.8)Attention is drawn to the Normative references cited in this publication.Use of the referenced publications isindispensable for the correct application of this publication.9)Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subje
31、ct ofpatent rights.IEC shall not be held responsible for identifying any or all such patent rights.International Standard IEC 61439-2 has been prepared by subcommittee 17D:Low-voltageswitchgear and controlgear assemblies,of IEC technical committee 17:Switchgear andcontrolgearThe text of this standar
32、d is based on the following documents:CDVReport on voting17D/358/CDV17D/363/RVCFull information on the voting for the approval of this standard can be found in the report onvoting indicated in the above table.This publication has been drafted in accordance with the ISO/IEC Directives,Part 2.Provided by Ihs urdor ecom
