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1、a Date: 19 January 2007 Origin: International Latest date for receipt of comments: 30 April 2007 Project no.: 2007/00157 Responsible committee: PEL/17/2 Low voltage switchgear and controlgear Interested committees: Title: Draft BS EN 60947-2:2006 Amd1 Low-voltage switchgear and controlgear Part 2: C
2、ircuit-breakers Supersession information: If this document is published as a standard, the UK implementation of it will supersede NONE and partially supersede NONE . If you are aware of a current national standard which may be affected, please notify the secretary (contact details below). WARNING: T
3、HIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 30 April 2007. This draft is issued to allow comments from interested parties; all comments will be given consideration prior to publication. No acknowledgement will normally be sent. See overleaf
4、 for information on commenting. No copying is allowed, in any form, without prior written permission from BSI except as permitted under the Copyright, Designs and Patent Act 1988 or for circulation within a nominating organization for briefing purposes. Electronic circulation is limited to dissemina
5、tion by e-mail within such an organization by committee members. Further copies of this draft may be purchased from BSI Customer Services, Tel: +44(0) 20 8996 9001 or email ordersbsi-. British, International and foreign standards are also available from BSI Customer Services. British Standards on CD
6、 or Online are available from British Standards Publishing Sales Limited. Tel: 01344 404409 or email bsonlinetechindex.co.uk. Information on the co-operating organizations represented on the committees referenced above may be obtained from the responsible committee secretary. Cross-references The Br
7、itish Standards which implement International or European publications referred to in this draft may be found via the British Standards Online Service on the BSI web site http:/www.bsi-. Direct tel: 0208 996 7281 Responsible Committee Secretary: Mr S Bounds (BSI) E-mail: simon.boundsbsi- Draft for P
8、ublic Comment Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001 Form 36 Version 6.1 DPC: 07/30161287 DC Licensed Copy: London South Bank University, London South Bank University, Tue Jan 30 01:30:35 GMT+00:00 2007, Uncontrolled Copy, (c) BSI b Int
9、roduction This draft standard is based on international discussions in which the UK has taken an active part. Your comments on this draft are welcome and will assist in the preparation of the consequent standard. If no comments are received to the contrary, then the UK will approve this draft. There
10、 is a high probability that this text could be adopted by CENELEC as a reference document for harmonization or as a European Standard. Recipients of this draft are requested to comment on the text bearing in mind this possibility. UK Vote Please indicate whether you consider the UK should submit a n
11、egative (with reasons) or positive vote on this draft. Submission The guidance given below is intended to ensure that all comments receive efficient and appropriate attention by the responsible BSI committee. Annotated drafts are not acceptable and will be rejected. All comments must be submitted, p
12、referably electronically, to the Responsible Committee Secretary at the address given on the front cover. Comments should be compatible with Version 6.0 or Version 97 of Microsoft Word for Windows, if possible; otherwise comments in ASCII text format are acceptable. Any comments not submitted electr
13、onically should still adhere to these format requirements. All comments submitted should be presented as given in the example below. Further information on submitting comments and how to obtain a blank electronic version of a comment form are available from the BSI web site at:http:/www.bsi- Templat
14、e for comments and secretariat observations Date: xx/xx/200x Document: ISO/DIS xxxxx 1 2 (3) 4 5 (6) (7) MB Clause No./ Subclause No./ Annex (e.g. 3.1) Paragraph/ Figure/Table/ Note (e.g. Table 1) Type of com- ment Comment (justification for change) by the MB Proposed change by the MB Secretariat ob
15、servations on each comment submitted 3.1 Definition 1 ed Definition is ambiguous and needs clarifying. Amend to read . so that the mains connector to which no connection . 6.4 Paragraph 2 te The use of the UV photometer as an alternative cannot be supported as serious problems have been encountered
16、in its use in the UK. Delete reference to UV photometer. Microsoft and MS-DOS are registered trademarks, and Windows is a trademark of Microsoft Corporation. Licensed Copy: London South Bank University, London South Bank University, Tue Jan 30 01:30:35 GMT+00:00 2007, Uncontrolled Copy, (c) BSI FORM
17、 CD (IEC) 2002-08-08 17B/1539/CD COMMITTEE DRAFT (CD) IEC/TC or SC: SC 17B Project number IEC 60947-2 A1 Ed.4.0 Title of TC/SC: Low-voltage switchgear and controlgear Date of circulation 2007-01-19 Closing date for comments 2007-04-20 Also of interest to the following committees SC 23E Supersedes do
18、cument 17B/1480/CD and 17B/1523A/CC Functions concerned: Safety EMC Environment Quality assurance Secretary: Mr. Marcel DELAPLACE E-mail: marcel.delaplaceschneider- THIS DOCUMENT IS STILL UNDER STUDY AND SUBJECT TO CHANGE. IT SHOULD NOT BE USED FOR REFERENCE PURPOSES. RECIPIENTS OF THIS DOCUMENT ARE
19、 INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION. Title: Amendment 1 to IEC 60947-2, Ed.4.0: Low-voltage switchgear and controlgear Part 2: Circuit- breakers (Titre): Amendement 1 la CEI 60947-2, Ed.4.
20、0: Appareillage basse tension Partie 2: Disjoncteurs Introductory note Copyright 2007 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to download this electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committe
21、e positions. You may not copy or “mirror“ the file or printed version of the document, or any part of it, for any other purpose without permission in writing from IEC. Licensed Copy: London South Bank University, London South Bank University, Tue Jan 30 01:30:35 GMT+00:00 2007, Uncontrolled Copy, (c
22、) BSI 60947-2 Amend. 1/CD IEC:20XX 2 17B/1539/CD FOREWORD This amendment has been prepared by subcommittee 17B: Low-voltage switchgear and controlgear, of IEC technical committee 17: Switchgear and controlgear. The text of this amendment is based on the following documents: FDIS Report on voting 17B
23、/XXXX/FDIS 17B/XXXX/RVD Full information on the voting for the approval of this amendment can be found in the report on voting indicated in the above table. The committee has decided that the contents of this amendment and the base publication will remain unchanged until the maintenance result date1
24、) indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed; withdrawn; replaced by a revised edition, or amended. _ Page 3 CONTENTS Add the following: 8.5 Special tests Damp heat, salt mist, vibrati
25、on and shock Insert, on page 9, the following: Figure K.2 Cut-off current versus prospective current from 1 kA to 500 kA Figure K.3 Cut-off current versus prospective current from 0,01 kA to 200 kA Figure K.4 Energy let-through versus prospective current from 1 kA to 500 kA Figure K.5 Energy let-thr
26、ough versus prospective current from 0,01 kA to 200 kA Insert, on page 11, the following: Table 9b Applicability of tests or test sequences to circuit-breakers in a given frame size and design having three-pole and four-pole configurations Table 10a Number of samples for sequence IV 1) The National
27、Committees are requested to note that for this publication the maintenance result date is 20_. Licensed Copy: London South Bank University, London South Bank University, Tue Jan 30 01:30:35 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 60947-2 Amend. 1/CD IEC:20XX 3 17B/1539/CD Page 19 1.2 Normative re
28、ferences Replace the reference to IEC 60364-4-41:2001 by the following: IEC 60364-4-41:2005, Low-voltage electrical installations Part 4-41: Protection for safety Protection against electric shock Replace “IEC 60755:1983” by “IEC/TR 60755:1983”. Add, on page 21, after IEC 60947-4-1:2000, the followi
29、ng reference: Amendment 2 (2005) Replace, on page 21, the reference to IEC 61000-3-2:2000 by the following: IEC 61000-3-2:2005, Electromagnetic compatibility (EMC) Part 3-2: Limits Limits for harmonic current emissions (equipment input current 16 A per phase) Add, on page 21, after IEC 61000-3-3:199
30、4, the following reference: Amendment 2 (2005) Replace, on page 21, the reference to IEC 61000-4-3:2002 by the following: IEC 61000-4-3:2006, Electromagnetic compatibility (EMC) Part 4-3: Testing and measurement techniques Radiated, radio-frequency, electromagnetic field immunity test Replace, on pa
31、ge 21, the reference to IEC 61000-4-4:1995 by the following: IEC 61000-4-4:2004, Electromagnetic compatibility (EMC) Part 4-4: Testing and measurement techniques Electrical fast transient/burst immunity test Replace, on page 21, the reference to IEC 61000-4-5:1995 by the following: IEC 61000-4-5:200
32、5, Electromagnetic compatibility (EMC) Part 4-5: Testing and measurement techniques Surge immunity test Add, on page 21, after IEC 61000-4-6:2003, the following reference: Amendment 2 (2006) Replace on page 21 “IEC 61000-5-2:1997” by “IEC/TR 61000-5-2:1997”. Licensed Copy: London South Bank Universi
33、ty, London South Bank University, Tue Jan 30 01:30:35 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 60947-2 Amend. 1/CD IEC:20XX 4 17B/1539/CD Add, on page 21, after IEC 61008-1:1996, the following reference: Amendment 2 (2006) Add, on page 23, after IEC 61009-1:1996, the following reference: Amendment
34、 2 (2006) Add, on page 23, after CISPR 11:2003, the following reference: Amendment 2 (2006) Add, on page 23, after CISPR 22:2005, the following reference: Amendment 2 (2006) Page 23 2.3 current-limiting circuit-breaker Replace the existing definition by the following: circuit-breaker that, within a
35、specified range of current, prevents the let-through current reaching the prospective peak value and which limits the let-through I2t to a value less than the I2t of a half-cycle wave of the symmetrical prospective current NOTE Reference may be made to either the symmetrical or asymmetrical prospect
36、ive peak value of let-through current. Page 29 Add, after definition 2.20, the following new definition:2.21: 2.21 programmable logic controller (PLC) microprocessor based controller for sequential control, the control logic of which can be changed through a programming device connected to the contr
37、oller, e.g. programming panel, host computer, hand held terminal, either directly or remotely through a network IEV 351-18-51 Licensed Copy: London South Bank University, London South Bank University, Tue Jan 30 01:30:35 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 60947-2 Amend. 1/CD IEC:20XX 5 17B/1
38、539/CD Page 41 Table 4 Utilization categories Replace the existing title of this Table 4 by the following: Table 4 Short-time categories Replace the existing heading of the first column by the following: Short-time category Secretariats note (not part of the amendment): This change is made to avoid
39、confusion with utilization categories in other parts of the 60947 series, which have a different context. If this change of term is accepted, it will be made throughout the standard at the CDV stage (approximately ten occurrences). Page 47 5.2 Marking Correct, under item b), the symbol with the symb
40、ol Page 53 Add, after the subclause 7.1.6, the following new subclause 7.1.7 7.1.7 Digital inputs and outputs for use with programmable logic controllers (PLCs) Annex S of IEC 60947-1 applies. For the purposes of this standard this requirement does not apply to digital inputs and outputs dedicated t
41、o devices other than PLCs. Secretariats note (not part of the amendment): The addition of 7.1.7 is dependent on the reference annex being accepted for IEC 60947-1, FDIS superseding 17B/1441/CDV to be circulated. Page 65 8.1.1 Add, after the second dashed item, the following new third dashed item: sp
42、ecial tests (see 8.5). Licensed Copy: London South Bank University, London South Bank University, Tue Jan 30 01:30:35 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 60947-2 Amend. 1/CD IEC:20XX 6 17B/1539/CD Page 67 8.3.1 Test sequences Replace the first four paragraphs of this subclause by the followin
43、g: 8.3.1.1 General Type tests are grouped together in a number of sequences, as shown in Table 9. For each sequence, tests shall be made in the order listed. 8.3.1.2 Tests omitted from sequence I With reference to 8.1.1 of IEC 60947-1, the following tests of test sequence I (see 8.3.3) may be omitte
44、d from the sequence and made on separate samples: tripping limits and characteristics (8.3.3.1); in which case the sample(s) tested in the sequence shall be subjected to the tests of 8.3.3.1.3, at the maximum setting only and without the additional test of item b) to verify the time-current characte
45、ristic; test of dielectric properties (8.3.3.2); test of under-voltage releases of 8.3.3.3.2 (item c) and 8.3.3.3.3, to verify the requirements of 7.2.1.3 of IEC 60947-1, and tests of under-voltage releases at alternative frequencies (see 8.3.2.1); test of shunt trip releases of 8.3.3.3.2 (item d) a
46、nd 8.3.3.3.3, to verify the requirements of 7.2.1.4 of IEC 60947-1, and tests of shunt releases at alternative frequencies (see 8.3.2.1); additional tests for operational capability without current for withdrawable circuit-breakers (8.3.3.3.5). 8.3.1.3 Applicability of sequences according to relatio
47、nship between short-circuit ratings The applicability of test sequences according to the relationship between Ics, Icu and Icw is given in Table 9a. Page 71 Table 9 Overall schema of test sequences a Replace, in the fifth row (sequence V), third column: - “Short-circuit at take-over current” by “Sho
48、rt-circuit at 1,1 times the take-over current”, and - “Short-circuit at rated ultimate short-circuit braking capacity” by “Short-circuit at rated ultimate short- circuit breaking capacity”. Licensed Copy: London South Bank University, London South Bank University, Tue Jan 30 01:30:35 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 60947-2 Amend. 1/CD IEC:20XX 7 17B/1539/CD Add, on page 73, after Table 9a, the following new subclause and Table 9b: 8.3.1.4 Simplified test programme for circuit-breakers of a given design having three- pole and four-pole variants The applicable test sequences accordi