1、BRITISH STANDARDBS EN 60947-2:2006Low-voltage switchgear and controlgear Part 2: Circuit-breakersICS 29.130.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g
2、3g47g36g58+A2:2013 Incorporating corrigendum November 2013National forewordThis British Standard is the UK implementation ofEN 60947-2:2006+A2:2013. It is identical to IEC 60947-2:2006,incorporating amendments 1:2009 and 2:2013. It supersedesBS EN 60947-2:2006+A1:2009 which will be withdrawn on 7 Ma
3、rch2016.The start and finish of text introduced or altered by amendment isindicated in the text by tags. Tags indicating changes to IEC text carrythe number of the IEC amendment. For example, text altered by IECamendment 1 is indicated by !“.The UK participation in its preparation was entrusted by T
4、echnicalCommittee PEL/17, Switchgear, controlgear, and HV-LV co-ordination,to Subcommittee PEL/17/2, Low voltage switchgear and controlgear.A list of organizations represented on this subcommittee can beobtained on request to its secretary.This publication does not purport to include all the necessa
5、ryprovisions of a contract. Users are responsible for its correctapplication.Compliance with a British Standard cannot confer immunity from legal obligations.BS EN 60947-2:2006+A2:2013This British Standard waspublished under the authorityof the Standards Policy andStrategy Committeeon 29 September 2
6、006 The British StandardsInstitution 2013. Publishedby BSI Standards Limited2013Amendments/corrigenda issued since publicationDate Comments 31 December2009Implementation of IEC amendment 1:2009 withCENELEC endorsement A1:200931 July 2013 Implementation of IEC amendment 2:2013 withCENELEC endorsement
7、 A2:2013. Annex ZZ updated30 November 2013Correction to text introduced by amendment 2:2013 in subclauses 5.2 b), 5.2 c) and A.5.1ISBN 978 0 580 84679 3EUROPEAN STANDARD EN 60947-2:2006+A2NORME EUROPENNE EUROPISCHE NORM CENELEC European Committee for Electrotechnical Standardization Comit Europen de
8、 Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60947-2:2006 E ICS 29.130.20 English
9、version Low-voltage switchgear and controlgear Part 2: Circuit-breakers (IEC 60947-2:2006) Appareillage basse tension Partie 2: Disjoncteurs (CEI 60947-2:2006) Niederspannungsschaltgerte Teil 2: Leistungsschalter (IEC 60947-2:2006) This European Standard was approved by CENELEC on 2006-07-01. CENELE
10、C members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European 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 app
11、lication to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (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 Central Secreta
12、riat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands
13、, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. May 2013Foreword The text of document 17B/1455/FDIS, future edition 4 of IEC 60947-2, prepared by SC 17B, Low-voltage switchgear and controlgear, of IEC TC 17, Switchgear and controlgear, was
14、submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60947-2 on 2006-07-01. This European Standard supersedes EN 60947-2:2003. The main changes introduced in EN 60947-2:2006 are an amendment to the verification of dielectric properties, the improvement of EMC clauses in Annex
15、es B, F, J and M, and the addition of a new Annex O regarding instantaneous trip circuit-breakers. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2007-04-01 latest date by wh
16、ich the national standards conflicting with the EN have to be withdrawn (dow) 2009-07-01 This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and covers essential requirements of EC Directive EMC (89/336/CEE). Se
17、e Annex ZZ. Annexes ZA and ZZ have been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60947-2:2006 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the stan
18、dards indicated: IEC 60112 NOTE Harmonized as EN 60112:2003 (not modified). IEC 60269-1 NOTE Harmonized as EN 60269-1:1998 (not modified), new edition at draft stage. IEC 60269-2-1 NOTE Harmonized as HD 60269-2-1:2005 (not modified). IEC 60269-3 NOTE Harmonized as EN 60269-3:1995 (not modified), new
19、 edition at draft stage. IEC 60439 NOTE Harmonized as EN 60439 (Series) (not modified). IEC 60947-3 NOTE Harmonized as EN 60947-3:1999 (not modified). IEC 60947-5-1 NOTE Harmonized as EN 60947-5-1:2004 (not modified). _ Foreword The text of document 17B/1636/FDIS, future amendment 1 to IEC 60947-2:2
20、006, prepared by SC 17B, Low-voltage switchgear and controlgear, of IEC TC 17, Switchgear and controlgear, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 60947-2:2006 on 2009-07-01. The following dates were fixed: latest date by which the amendment h
21、as to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2010-04-01 latest date by which the national standards conflicting with the amendment have to be withdrawn (dow) 2012-07-01 Annex ZA has been added by CENELEC. _ Endorsement notice to amen
22、dment A1The text of amendment 1:2009 to the International Standard IEC 60947-2:2006 was approved by CENELEC as an amendment to the European Standard without any modification. _ BS EN 60947-2:2006+A2:2013 EN 60947-2:2006+A2:2013 (E) 2 Foreword to amendment A2The text of document 17B/1796/FDIS, future
23、 edition 1 of IEC 60947-2:2006/A2, prepared by SC 17B, “Low-voltage switchgear and controlgear“, of IEC TC 17, “Switchgear and controlgear“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60947-2:2006/A2:2013. The following dates are fixed: latest date by which the docum
24、ent has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2013-12-07 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-03-07 Attention is drawn to the possibility that some of the eleme
25、nts 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 under a mandate given to CENELEC by the European Commission and the European Free Trade Association, and supports
26、essential requirements of EU Directive(s). For the relationship with EU Directive see informative Annex ZZ, which is an integral part of this document. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD -
27、2006/95/EC). Endorsement notice The text of the International Standard IEC 60947-2:2006/A2:2013 was approved by CENELEC as a European Standard without any modification. BS EN 60947-2:2006+A2:2013 EN 60947-2:2006+A2:2013 (E) 3 CONTENTS 1 General. H1.1 Scope and object H1.2 Normative references . H92
28、Definitions. H123 Classification. H154 Characteristics of circuit-breakers H164.1 Summary of characteristics. H164.2 Type of circuit-breaker H174.3 Rated and limiting values of the main circuit . H174.4 Utilization categories H214.5 Control circuits . H214.6 Auxiliary circuits . H22 4.7 Releases H22
29、 4.8 Integral fuses (integrally fused circuit-breakers) H23 5 Product information . H23 5.1 Nature of the information H23 5.2 Marking H24 5.3 Instructions for installation, operation and maintenance H25 6 Normal service, mounting and transport conditions H25 7 Constructional and performance requirem
30、ents . H25 7.1 Constructional requirements . H25 7.2 Performance requirements H277.3 Electromagnetic compatibility (EMC). H338 Tests. H338.1 Kind of tests . H338.2 Compliance with constructional requirements H348.3 Type tests H348.4 Routine tests HAnnex A (normative) Co-ordination under short-circui
31、t conditions between a circuit-breaker and another short-circuit protective device associated in the same circuit H6 Annex B (normative) Circuit-breakers incorporating residual current protection. H79Annex C (normative) Individual pole short-circuit test sequence . H111Annex D Vacant. H112Annex E (i
32、nformative) Items subject to agreement between manufacturer and user H113 Annex F (normative) Additional tests for circuit-breakers with electronic over-current protection H114 Annex G (normative) Power loss H144 Annex H (normative) Test sequence for circuit-breakers for IT systems H1478.5 HSpecial
33、Damp heat, salt mist, vibration and shock 64 68 BS EN 60947-2:2006+A2:2013 4 999IEC 60947-2:2006+A2:2013 (E)Annex J (normative) Electromagnetic compatibility (EMC) Requirements and test methods for circuit-breakers 149 Annex K (informative) Glossary of symbols related to products covered by this sta
34、ndard 163 Annex L (normative) Circuit-breakers not fulfilling the requirements for overcurrent protection 172 Annex M (normative) Modular residual current devices (without integral current breaking device) 177 Annex N (normative) Electromagnetic compatibility (EMC) Additional requirements and test m
35、ethods for devices not covered by Annexes B, F and M 222 Annex O Instantaneous trip circuit-breakers (ICB) 226 Annex ZA (normative) Normative references to international publications with their corresponding European publications .230 Annex ZZ (informative) Coverage of Essential Requirements of EU D
36、irectives.233 Bibliography 22 Figure 1 Test arrangement (connecting cables not shown) for short-circuit tests 6 Figure A.1 Over-current co-ordination between a circuit-breaker and a fuse or back-up protection by a fuse: operating characteristics. 7 Figure A.2 Figure A.3. 75Total selectivity between
37、two circuit-breakers. 75Figure A.4 Figure A.5. 7 Back-up protection by a circuit-breaker Operating characteristics 7 Figure A.6 Example of test circuit for conditional short-circuit breaking capacity tests showing cable connections for a 3-pole circuit-breaker (C ) . 771Figure B.1 Test circuit for t
38、he verification of the operating characteristic (see B.8.2)Figure B.2 Test circuit for the verification of the limiting value of the non-operating current under over-current conditions (see B.8.5). Figure B.3 Test circuit for the verification of the behaviour of CBRs classified under B.3.1.2.2 (see
39、B.8.9) 105Figure B.4 Current ring wave 0,5 s/100 kHz 10Figure B.5 Example of test circuit for the verification of resistance to unwanted tripping 107Figure B.6 Surge current wave 8/20 s . 107Figure B.7 Test circuit for the verification of resistance to unwanted tripping in case of flashover without
40、follow-on current (B.8.6.2). 10 Figure B.8 Test circuit for the verification of the correct operation of CBRs, in the case of residual pulsating direct currents (see B.8.7.2.1, B.8.7.2.2 and B.8.7.2.3) 10 Figure B.9 Test circuit for the verification of the correct operation of CBRs, in the case of a
41、 residual pulsating direct current superimposed by a smooth direct residual current (see B.8.7.2.4). 110Figure F.1 Representation of test current produced by back-to-back thyristors in accordance with F.4.1 123Figure F.2 Test circuit for immunity and emission tests in accordance with F.4.1.3, F.4.2,
42、 F.4.3, F.4.6, F.4.7.1, F.5.4 and F.6.2 Two phase poles in series 124 Figure F.3 Test circuit for immunity and emission tests in accordance with F.4.1.3, F.4.2, F.4.3, F.4.6, F.4.7.1, F.5.4 and F.6.2 Three phase poles in series . 125103104 # $BS EN 60947-2:2006+A2:2013 5 98466689IEC 60947-2:2006+A2:
43、2013 (E)Figure F.4 Test circuit for immunity and emission tests in accordance with F.4.1.3, F.4.2, F.4.3, F.4.6, F.4.7.1, F.5.4 and F.6.2 Three-phase connection. 12Figure F.5 Test current for the verification of the influence of the current dips and interruptions in accordance with F.4.7.1. 127Figur
44、e F.6 Circuit for electrical fast transients/bursts (EFT/B) immunity test in accordance with F.4.4 Two phase poles in series 12Figure F.7 Circuit for electrical fast transients/bursts (EFT/B) immunity test in accordance with F.4.4 Three phase poles in series . 12Figure F.8 Circuit for electrical fas
45、t transients/bursts (EFT/B) immunity test in accordance with F.4.4 Three-phase connection. 130Figure F.9 Test circuit for the verification of the influence of surges in the main circuit (line-to-earth) in accordance with F.4.5 Two phase poles in series 131Figure F.10 Test circuit for the verificatio
46、n of the influence of surges in the main circuit (line-to-earth) in accordance with F.4.5 Three phase poles in series 132 Figure F.11 Test circuit for the verification of the influence of surges in the main circuit (line-to-earth) in accordance with F.4.5 Three-phase connection. 133Figure F.12 Test
47、circuit for the verification of the influence of current surges in the main circuit in accordance with F.4.5 Two phase poles in series 134Figure F.13 Test circuit for the verification of the influence of current surges in the main circuit in accordance with F.4.5 Three phase poles in series . 134Fig
48、ure F.14 Test circuit for the verification of the influence of current surges in the main circuit in accordance with F.4.5 Three-phase connection. 135Figure F.15 Temperature variation cycles at a specified rate of change in accordance with F.9.1 135Figure F.16 General test set up for immunity tests.
49、 13Figure F.17 Test set up for the verification of immunity to radiated r.f. electromagnetic fields 137 Figure F.18 Test set up for the verification of immunity to electrical fast transients/bursts (EFT/B) on power lines 13 Figure F.19 Test set up for verification of immunity to electrical fast transients/bursts (EFT/B) on signal lines 13 Figure F.20 General test se
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