EN 61439-2-2011 en Low-voltage switchgear and controlgear assemblies - Part 2 Power switchgear and controlgear assemblies《低压开关和控制设备组件 第2部分 电动开关设备和控制设备组件》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationLow-voltage switchgear and controlgear assembliesPart 2: Power switchgear and controlgear assembliesBS EN 61439-2:2011National forewordThis British Standard is the UK implementat

2、ion of EN 61439-2:2011. It is identical to IEC 61439-2:2011. It supersedes BS EN 61439-2:2009, which will be withdrawn on 23 September 2014.The UK participation in its preparation was entrusted by Technical Committee PEL/17, Switchgear, controlgear, and HV-LV co-ordination, to Subcommittee PEL/17/3,

3、 Low voltage switchgear and controlgear assem-blies.A list of organizations represented on this subcommittee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. BSI 201

4、1 ISBN 978 0 580 67926 1 ICS 29.130.20 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Stand-ards Policy and Strategy Committee on 31 December 2011.Amendments/corrigenda issued since publicationDate Text

5、affectedBRITISH STANDARDBS EN 61439-2:2011Guidance for users of BS EN 61439-2:2011 for the internal separation of Assemblies, for use in the UK, is included in National Annex NA (informative).EUROPEAN STANDARD EN 61439-2 NORME EUROPENNE EUROPISCHE NORM October 2011 CENELEC European Committee for Ele

6、ctrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No

7、. EN 61439-2:2011 E ICS 29.130.20 Supersedes EN 61439-2:2009English version Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies (IEC 61439-2:2011) Ensembles dappareillage basse tension - Partie 2: Ensembles dappareillage de puissance (CEI 61439-2:2

8、011) Niederspannungs-Schaltgertekombinationen - Teil 2: Energie-Schaltgertekombinationen (IEC 61439-2:2011) This European Standard was approved by CENELEC on 2011-09-23. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europ

9、ean Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official vers

10、ions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical com

11、mittees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland a

12、nd the United Kingdom. - 2 - Foreword The text of document 17D/440/FDIS, future edition 2 of IEC 61439-2, prepared by SC 17D, “Low-voltage switchgear and controlgear assemblies“, of IEC/TC 17, “Switchgear and controlgear“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 6

13、1439-2:2011. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2012-06-23 latest date by which the national standards conflicting with the document have to be withdrawn (do

14、w) 2014-09-23 This document supersedes EN 61439-2:2009. EN 61439-2:2011 includes the following significant technical changes with respect to EN 61439-2:2009: clarification of the scope; revision of requirements for withdrawable and removable parts; revision of mechanical impact test (10.2.6); extens

15、ion of Table 101; review of Table BB.1 to reflect modified requirements and verifications; general editorial review. This standard is to be read in conjunction with EN 61439-1. The provisions of the general rules dealt with in EN 61439-1 (hereinafter referred to as Part 1) are only applicable to thi

16、s standard insofar as they are specifically cited. When this standard states “addition”, “modification” or “replacement”, the relevant text in Part 1 is to be adapted accordingly. Subclauses that are numbered with a 101 (102, 103, etc.) suffix are additional to the same subclause in Part 1. Tables a

17、nd figures in this Part 2 that are new are numbered starting with 101. New annexes in this Part 2 are lettered AA, BB, etc. In this standard, terms written in small capitals are defined in Clause 3. NOTE Throughout the EN 61439 series of standards, the term ASSEMBLY (see 3.1.1 of Part 1) is used for

18、 a low-voltage switchgear and controlgear assembly. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared un

19、der a mandate given to CENELEC by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For the relationship with EU Directive see informative Annex ZZ, which is an integral part of this document. Endorsement notice The text of the I

20、nternational Standard IEC 61439-2:2011 was approved by CENELEC as a European Standard without any modification. BS EN 61439-2:2011 EN 61439-2:2011 (E)- 3 - Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced

21、documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modific

22、ations, indicated by (mod), the relevant EN/HD applies. Addition to Annex ZA of EN 61439-1: Publication Year Title EN/HD Year IEC 60947-3 2008 Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units EN 60947-3 2009 IEC 61140 - Protect

23、ion against electric shock - Common aspects for installation and equipment EN 61140 - IEC 61439-1 2011 Low-voltage switchgear and controlgear assemblies - Part 1: General rules EN 61439-1 2011 BS EN 61439-2:2011 EN 61439-2:2011 (E)- 4 - Annex ZZ (informative) Coverage of Essential Requirements of EC

24、 Directive 2004/108/EC This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and within its scope the standard covers all relevant essential requirements as given in Article 1 of Annex I of the EC Directive 2004/1

25、08/EC. Compliance with this standard provides one means of conformity with the specified essential requirements of the Directives concerned. WARNING: Other requirements and other EC Directives may be applicable to the products falling within the scope of this standard. BS EN 61439-2:2011 EN 61439-2:

26、2011 (E) 2 CONTENTS 1 Scope . 5 2 Normative references . 5 3 Terms and definitions . 6 4 Symbols and abbreviations . 7 5 Interface characteristics . 7 6 Information . 8 7 Service conditions 8 8 Constructional requirements . 8 9 Performance requirements . 11 10 Design verification 11 11 Routine verif

27、ication . 12 Annex AA (informative) Forms of internal separation (see 8.101) . 16 Annex BB (informative) Items subject to agreement between the ASSEMBLY manufacturer and the user 19 Bibliography 23 Figure AA.1 Symbols used in Figures AA.2 and AA.3 . 16 Figure AA.2 Forms 1 and 2 17 Figure AA.3 Forms

28、3 and 4 18 Table 101 Values of assumed loading 12 Table 102 Test voltages across the open contacts of equipment suitable for isolation 12 Table 103 Electrical conditions for the different positions of withdrawable parts . 13 Table 104 Forms of internal separation 14 Table BB.1 Items subject to agree

29、ment between the ASSEMBLY manufacturer and the user 19 BS EN 61439-2:2011 EN 61439-2:2011 (E)24 National Annex NA (informative) Guide to the internal separation of ASSEMBLIES 5 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES Part 2: Power switchgear and controlgear assemblies 1 Scope NOTE 1 Throug

30、hout this part, the abbreviation PSC-ASSEMBLY (see 3.1.101) is used for a power switchgear and controlgear ASSEMBLY. This part of IEC 61439 defines the specific requirements of power switchgear and controlgear assemblies (PSC-ASSEMBLIES) as follows: ASSEMBLIES for which the rated voltage does not ex

31、ceed 1 000 V in case of a.c. or 1 500 V in case of d.c.; stationary or movable ASSEMBLIES with or without enclosure; ASSEMBLIES intended for use in connection with the generation, transmission, distribution and conversion of electric energy, and for the control of electric energy consuming equipment

32、; ASSEMBLIES designed for use under special service conditions, for example in ships and in rail vehicles provided that the other relevant specific requirements are complied with; NOTE 2 Supplementary requirements for ASSEMBLIES in ships are covered by IEC 60092-302. ASSEMBLIES designed for electric

33、al equipment of machines. Supplementary requirements for ASSEMBLIES forming part of a machine are covered by the IEC 60204 series. This standard applies to all ASSEMBLIES whether they are designed, manufactured and verified on a one-off basis or fully standardised and manufactured in quantity. The m

34、anufacture and/or assembly may be carried out other than by the original manufacturer (see 3.10.1). This standard does not apply to individual devices and self-contained components, such as motor starters, fuse switches, electronic equipment, etc. which will comply with the relevant product standard

35、s.This standard does not apply to the specific types of ASSEMBLIES covered by other parts of IEC 61439. For ASSEMBLIES not covered by other parts this part applies. 2 Normative references This clause of Part 1 is applicable except as follows. Addition: IEC 60947-3:2008, Low-voltage switchgear and co

36、ntrolgear Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units IEC 61140, Protection against electric shock Common aspects for installation and equipment BS EN 61439-2:2011 EN 61439-2:2011 (E) 6 IEC 61439-1:2011, Low-voltage switchgear and controlgear assemblies Part 1: G

37、eneral rules13 Terms and definitions This clause of Part 1 is applicable except as follows. 3.1 General terms Additional definitions: 3.1.101 power switchgear and controlgear assembly PSC-ASSEMBLY low-voltage switchgear and controlgear assembly used to distribute and control energy for all types of

38、loads, intended for industrial, commercial and similar applications where operation by ordinary persons is not intended NOTE It is not excluded for a PSC-ASSEMBLY to be located in an area accessible to ordinary persons. 3.1.102 test situation condition of a PSC-ASSEMBLY or part of it in which the re

39、levant main circuits are open on its supply side but not necessarily isolated whilst the associated auxiliary circuits are connected, allowing operation tests of the incorporated devices 3.1.103 form of internal separation classification of physical separation within a PSC-ASSEMBLY 3.2 Constructiona

40、l units of ASSEMBLIES Replacement of the title: 3.2 Constructional units of PSC-ASSEMBLIES Additional definitions: 3.2.101 withdrawable part removable part intended to be moved from the connected position to the isolated position and to a test position, if any, whilst remaining mechanically attached

41、 to the PSC-ASSEMBLY 3.2.102 test position position of a withdrawable part in which the relevant main circuits are open on its supply side but not necessarily isolated and in which the auxiliary circuits are connected allowing operation tests of the incorporated devices, the withdrawable part remain

42、ing mechanically attached to the PSC-ASSEMBLY NOTE The opening may also be achieved without any mechanical movement of the withdrawable part by operation of a suitable device. _ 1To be published. BS EN 61439-2:2011 EN 61439-2:2011 (E) 7 3.2.103 isolated position position of a withdrawable part in wh

43、ich an isolating distance is established in main and auxiliary circuits on its supply side, the withdrawable part remaining mechanically attached to the PSC-ASSEMBLY NOTE The isolating distance may also be established without any mechanical movement of the withdrawable part by operation of a suitabl

44、e device. 3.2.104 isolating distance (of a withdrawable part) clearance between open contacts meeting the safety requirements specified for disconnectors IEC 60050-441:1984, 441-17-35, modified Addition: 3.101 Electrical connections of functional units 3.101.1 disconnectable connection connection wh

45、ich is connected or disconnected by manual operation of the connecting means without a tool 3.101.2 withdrawable connection connection which is connected or disconnected by bringing the functional unit into the connected or isolated position 3.102 Gangways within PSC-ASSEMBLIES 3.102.1 operating gan

46、gway within a PSC-ASSEMBLIES space to be used by the operator for the proper operation and supervision of the PSC-ASSEMBLY 3.102.2 maintenance gangway within a PSC-ASSEMBLIES space which is accessible to authorized personnel only and primarily intended for use when servicing the installed equipment

47、4 Symbols and abbreviations This clause of Part 1 is applicable. 5 Interface characteristics This clause of Part 1 is applicable except as follows. 5.4 Rated diversity factor (RDF) Addition: In the absence of an agreement between the ASSEMBLY manufacturer and user concerning the actual load currents

48、, the assumed loading of the outgoing circuits of the ASSEMBLY or group of outgoing circuits may be based on the values in Table 101. BS EN 61439-2:2011 EN 61439-2:2011 (E) 8 5.6 Other characteristics Replacement of item l): l) the type of construction fixed, removable or withdrawable parts (see 8.5

49、.1 and 8.5.2 of Part 1); Addition: m) the form of internal separation (see 8.101); n) the types of electrical connections of functional units (see 8.5.101). 6 Information This clause of Part 1 is applicable except as follows. 6.1 ASSEMBLY designation marking Replacement of the title and item d): 6.1 PSC-ASSEMBLY designation marking d) IEC 61439-2; 7 Service conditions This clause of Part 1 is applicable. 8 Constructional requirements This clause of Part 1 is applicable except as follo

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