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1、a Date: 26 September 2008 Origin: International Latest date for receipt of comments: 31 December 2008 Project no.: 2008/03025 Responsible committee: PEL/17/2 Low voltage switchgear and controlgear Interested committees: Title: Draft BS EN 60947-4-2 Low-voltage switchgear and controlgear - Part 4-2:
2、Contactors and motor-starters - AC semiconductor motor controllers and starters Supersession information: If this document is published as a standard, the UK implementation of it will supersede BSEN60947-4-2 : 2000 and partially supersede. NONE If you are aware of a current national standard which m
3、ay be affected, please notify the secretary (contact details below). WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 31 December 2008. This draft is issued to allow comments from interested parties; all comments will be given consider
4、ation prior to publication. No acknowledgement will normally be sent. See overleaf 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
5、organization for briefing purposes. Electronic circulation is limited to dissemination 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 . British, International and foreign standard
6、s are also available from BSI Customer Services. Information on the co-operating organizations represented on the committees referenced above may be obtained from the responsible committee secretary. Cross-references The British Standards which implement International or European publications referr
7、ed to in this draft may be found via the British Standards Online Service on the BSI web site http:/. Direct tel: 0208 996 7281 Responsible Committee Secretary: Mr S Bounds (BSI) E-mail: Draft for Public Comment Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44
8、(0)20 8996 7001 Form 36 Version 8.0 DPC: 08/30190185 DC Licensed Copy: London South Bank University, South Bank University, 16/11/2008 12:15, Uncontrolled Copy, (c) BSI b Introduction This draft standard is based on international discussions in which the UK has taken an active part. Your comments on
9、 this draft are welcome and will assist in the preparation of the consequent standard. There 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
10、mind this possibility. UK Vote Please indicate whether you consider the UK should submit a negative (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.
11、 Annotated drafts are not acceptable and will be rejected. All comments must be submitted, preferably 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 possibl
12、e; otherwise comments in ASCII text format are acceptable. Any comments not submitted electronically 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 electr
13、onic version of a comment form are available from the BSI web site at: http:/ Template 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
14、Comment (justification for change) by the MB Proposed change by the MB Secretariat observations 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 photom
15、eter as an alternative cannot be supported as serious problems have been encountered 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, South Bank U
16、niversity, 16/11/2008 12:15, Uncontrolled Copy, (c) BSI 17B/1615/CD COMMITTEE DRAFT (CD) IEC/TC or SC: SC 17B Project number IEC 60947-4-2 Ed. 3.0 Title of TC/SC: Low-voltage switchgear and controlgear Date of circulation 2008-09-26 Closing date for comments 2009-01-09 Also of interest to the follow
17、ing committees SC22G Supersedes document 17B/1614/MCR Functions concerned: Safety EMC Environment Quality assurance Secretary: Joseph BRIANT (France) THIS DOCUMENT IS STILL UNDER STUDY AND SUBJECT TO CHANGE. IT SHOULD NOT BE USED FOR REFERENCE PURPOSES. RECIPIENTS OF THIS DOCUMENT ARE INVITED TO SUB
18、MIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION. Title: IEC 60947-4-2 Ed.3: Low-voltage switchgear and controlgear Part 4-2: Contactors and motor-starters AC semiconductor motor controllers and starters (Titre) : CE
19、I 60947-4-2 Ed.3: Appareillage basse tension Partie 4-2: Contacteurs et dmarreurs de moteurs Gradateurs et dmarreurs semiconducteurs de moteurs courant alternatif Introductory note FORM CD (IEC) 2002-08-08 Copyright 2008 International Electrotechnical Commission, IEC. All rights reserved. It is perm
20、itted to download this electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee 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 IE
21、C. Licensed Copy: London South Bank University, South Bank University, 16/11/2008 12:15, Uncontrolled Copy, (c) BSI 60947-4-2 Ed.3.0/CD IEC:20XX 2 17B/1615/CD FOREWORD 1 This amendment has been prepared by subcommittee 17B: Low-voltage switchgear and 2 controlgear, of IEC technical committee 17: Swi
22、tchgear and controlgear. 3 The text of this amendment is based on the following documents: 4 FDIS Report on voting XX/XX/FDIS XX/XX/RVD 5 Full information on the voting for the approval of this amendment can be found in the report 6 on voting indicated in the above table. 7 The committee has decided
23、 that the contents of this amendment and the base publication will 8 remain unchanged until the maintenance result date1) indicated on the IEC web site under 9 “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the 10 publication will be 11 reconfirmed, 12 withdra
24、wn, 13 replaced by a revised edition, or 14 amended. 15 _ 16 17 Page 3, Amendment 1, page 3 and Amendment 2, page 3 18 CONTENTS 19 Will be updated at the CDV stage. 20 21 Page 19, Amendment 1, page 5 and Amendment 2, page 3 22 2 Normative references 23 Delete the footnotes of this clause. 24 25 Repl
25、ace the reference to IEC 60085:2004 by the following: 26 IEC 60085:2007, Electrical insulation Thermal evaluation and designation 27 NOTE 1 Be careful to change date and title. 28 29 1) The National Committees are requested to note that for this publication the maintenance result date is the Mainten
26、ance Result date is supplied with the final draft International Standard (FDIS) Licensed Copy: London South Bank University, South Bank University, 16/11/2008 12:15, Uncontrolled Copy, (c) BSI 60947-4-2 Ed.3.0/CD IEC:20XX 3 17B/1615/CD Replace the reference to IEC 60269-1:1998 by the following: 30 I
27、EC 60269-1:2006, Low-voltage fuses Part 1: General requirements 31 32 Replace the reference to IEC 60947-1:2004 by the following: 33 IEC 60947-1:2007, Low-voltage switchgear and controlgear Part 1: General rules 34 35 NOTE 2 The reference to IEC/TR3 61000-2-1:1990 shall be replaced at the next stage
28、 of the project. 36 37 Add, after the reference to IEC 61000-3-2, the following reference: 38 Amendment 1 (2008) 39 40 Add, after the reference to IEC 61000-4-3, the following reference: 41 Amendment 1 (2007) 42 43 Replace the reference to IEC 61000-4-4:1995 by the following: 44 IEC 61000-4-4:2004,
29、Electromagnetic compatibility (EMC) Part 4-4: Testing and 45 measurement techniques Electrical fast transient/burst immunity test 46 47 Replace the reference to IEC 61000-4-5:1995 by the following: 48 IEC 61000-4-5:2005, Electromagnetic compatibility (EMC) Part 4-5: Testing and 49 measurement techni
30、ques Surge immunity test 50 51 Replace the reference to IEC 61000-4-6:2003 by the following: 52 IEC 61000-4-6:2008, Electromagnetic compatibility (EMC) Part 4-6: Testing and 53 measurement techniques Immunity to conducted disturbances, induced by radio-frequency 54 fields 55 56 Replace the reference
31、 to IEC 61000-4-11:1994 by the following: 57 IEC 61000-4-11:2004, Electromagnetic compatibility (EMC) Part 4-11: Testing and 58 measurement techniques Voltage dips, short interruptions and voltage variations immunity 59 tests 60 Licensed Copy: London South Bank University, South Bank University, 16/
32、11/2008 12:15, Uncontrolled Copy, (c) BSI 60947-4-2 Ed.3.0/CD IEC:20XX 4 17B/1615/CD 61 Replace the reference to IEC 61131-2:2003 by the following: 62 IEC 61131-2:2007, Programmable controllers Part 2: Equipment requirements and tests 63 64 Add, after the reference to CISPR 11:2003, by the following
33、 reference: 65 Amendment 2 (2006) 66 67 Page 33 68 5.3.1.1 Rated operational voltage (Ue) 69 Replace the existing text of this subclause by the following: 70 Subclause 4.3.1.1 of IEC 60947-1 applies with the following addition. 71 The rating of a.c. equipment shall include the number of phases excep
34、t that the rating of 72 equipment obviously intended for single-phase use only is not required to include the number 73 of phases. 74 75 Page 49 and Amendment 2, page 19 76 5.6 Auxiliary circuits 77 Replace the last paragraph by the following new text: 78 Digital inputs and/or digital outputs contai
35、ned in contactors and motor-starters, and intended 79 to be compatible with PLCs shall fulfil the requirements of Annex S of IEC 60947-1. 80 81 Amendment 2, page 21 82 5.7.2 Types of relay or release 83 Replace the item b) by the following: 84 b) Overload time-delay relay the time-lag of which is: 8
36、5 1) substantially independent of previous load; 86 2) dependent on previous load; 87 3) dependent on previous load and also sensitive to phase loss (see 3.1.21). 88 89 Licensed Copy: London South Bank University, South Bank University, 16/11/2008 12:15, Uncontrolled Copy, (c) BSI 60947-4-2 Ed.3.0/C
37、D IEC:20XX 5 17B/1615/CD 5.7.3 Characteristic values 90 Replace, in item b), the existing text of the sixth dashed item by the following: 91 nature of the relay: thermal, electronic or electronic without thermal memory; 92 electronic relay without thermal memory shall be marked ; 93 94 Delete, in it
38、em b), the fifth dashed item: “number of poles”. 95 Add, at the end of item b), the following new dashed item: 96 tripping time of overload relays class 10A where higher than 2 min at 5 C or below 97 (see 8.2.1.5.1.1.1, item c). 98 99 Page 51 100 6.1. Nature of information 101 Replace the existing t
39、ext of item f) by the following: 102 f) either the value of the rated frequency 50/60 Hz, or other rated frequencies for example 103 16 2/3 Hz, 400 Hz. 104 105 Amendment 2, page 25 106 6.2 Marking 107 Modify the existing text of the second paragraph to read: 108 Data under items c) to u) in 6.1 shal
40、l be 109 110 Replace the existing text of the third paragraph by the following: 111 Data under items l) and s) in 6.1 shall be marked on the equipment. 112 Delete the last paragraph: “If the manufacturer declares an electronic overload relay without 113 thermal memory, this shall be marked on the de
41、vice.” 114 115 Page 55 116 8.1 Constructional requirements 117 Replace the whole subclause 8.1 by the following: 118 8.1.1 General 119 Subclause 7.1.1 of IEC 60947-1 applies. 120 Thm Licensed Copy: London South Bank University, South Bank University, 16/11/2008 12:15, Uncontrolled Copy, (c) BSI 6094
42、7-4-2 Ed.3.0/CD IEC:20XX 6 17B/1615/CD 8.1.2 Materials 121 8.1.2.1 General materials requirements 122 Subclause 7.1.2.1 of IEC 60947-1 applies 123 8.1.2.2 Glow wire testing 124 Subclause 7.1.2.2 of IEC 60947-1 applies with the following addition. 125 When tests on the equipment or on sections taken
43、from the equipment are used, parts of 126 insulating materials necessary to retain current-carrying parts in position shall conform to the 127 glow-wire tests of 8.2.1.1.1 of IEC 60947-1 at a test temperature of 850 C. 128 8.1.2.3 Test based on flammability category 129 Subclause 7.1.2.3 of IEC 6094
44、7-1 applies. 130 8.1.3 Current-carrying parts and their connections 131 Subclause 7.1.3 of IEC 60947-1 applies. 132 8.1.4 Clearances and creepage distances 133 Subclause 7.1.4 of IEC 60947-1 applies with the following note. 134 NOTE The nature of a semiconductor makes it unsuitable for use for isola
45、tion purposes. 135 8.1.5 Actuator 136 Vacant 137 8.1.6 Indication of the contact position 138 Vacant 139 8.1.7 Additional requirements for equipment suitable for isolation 140 Vacant 141 8.1.8 Terminals 142 Subclause 7.1.8 of IEC 60947-1 applies with, however, the following additional requirements.
46、143 8.1.8.4 Terminal identification and marking 144 Subclause 7.1.8.4 of IEC 60947-1 applies with additional requirements as given in annex A. 145 8.1.9 Additional requirements for equipment provided with a neutral pole 146 Vacant 147 8.1.10 Provisions for protective earthing 148 Subclause 7.1.10 of
47、 IEC 60947-1 applies. 149 8.1.11 Enclosures for equipment 150 Subclause 7.1.11 of IEC 60947-1 applies 151 Licensed Copy: London South Bank University, South Bank University, 16/11/2008 12:15, Uncontrolled Copy, (c) BSI 60947-4-2 Ed.3.0/CD IEC:20XX 7 17B/1615/CD 8.1.12 Degrees of protection of enclos
48、ed equipment 152 Subclause 7.1.12 of IEC 60947-1 applies. 153 8.1.13 Conduit pull-out, torque and bending with metallic conduits 154 Subclause 7.1.13 of IEC 60947-1 applies. 155 156 Amendment 2, page 29 157 Table 20 Limits of operation of time-delay overload relays when energized on all poles 158 Re
49、place the existing table by the following: 159 Multiples of current setting Type of overload relay A B C D Ambient air temperature values Thermal type not compensated for ambient air temperature variations 1,0 1,2 b 1,5 7,2 +40 C 1,05 1,3 1,5 0 C 1,05 1,2 b 1,5 7,2 +20 C Thermal type compensated for ambient a