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1、a Date: 5 November 2008 Origin: European Latest date for receipt of comments: 28 February 2009 Project no.: 2008/03727 Responsible committee: PEL/23 Electrical accessories Interested committees: Title: Draft BS EN 50428 Switches for household and similar fixed electrical installations - Collateral s
2、tandard - Switches and related accessories for use in home and building electronic systems (HBES) Supersession information: If this document is published as a standard, the UK implementation of it will supersede BSEN50428 : 2005 +A1 : 2007 and partially supersede. NONE If you are aware of a current
3、national standard which may 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 28 February 2009. This draft is issued to allow comments from interested parties; all commen
4、ts will be given consideration 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 circula
5、tion within a nominating 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, Internati
6、onal and foreign standards 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 Eur
7、opean publications referred to in this draft may be found via the British Standards Online Service on the BSI web site http:/. Direct tel: 020 8996 7241 Responsible Committee Secretary: Mr R E Stratton (BSI) E-mail: Draft for Public Comment Head Office 389 Chiswick High Road London W4 4AL Telephone
8、: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001 Form 36 Version 8.0 DPC: 08/30192819 DC Licensed Copy: London South Bank University, South Bank University, 31/01/2009 04:19, Uncontrolled Copy, (c) BSI b Introduction This draft standard is based on European discussions in which the UK has taken an activ
9、e part. Your comments on this draft are welcome and will assist in the preparation of the consequent British Standard. Comment is particularly welcome on national, legislative or similar deviations that may be necessary. Even if this draft standard is not approved by the UK, if it receives the neces
10、sary support in Europe, the UK will be obliged to publish the official English Language text unchanged as a British Standard and to withdraw any conflicting standard. UK Vote Please indicate whether you consider the UK should submit a negative (with reasons) or positive vote on this draft. Submissio
11、n 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, preferably electronically, to the Responsible Committee Secretary
12、 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 electronically should still adhere to these format requirements. All c
13、omments 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:/ Template for comments and secretariat observations Date: xx/xx/200x Document:
14、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 observations on each comment submitted 3.1 Definition 1 ed Definition is
15、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 in its use in the UK. Delete reference to UV photometer. Microsoft and
16、MS-DOS are registered trademarks, and Windows is a trademark of Microsoft Corporation. Licensed Copy: London South Bank University, South Bank University, 31/01/2009 04:19, Uncontrolled Copy, (c) BSI Draft for vote FINAL DRAFT EUROPEAN STANDARD EN 50428 NORME EUROPENNE FprA2 EUROPISCHE NORM October
17、2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means rese
18、rved worldwide for CENELEC members. Project: 21486 Ref. No. EN 50428:2005/FprA2:2008 E ICS 29.120.40; 97.120 English version Switches for household and similar fixed electrical installations - Collateral standard - Switches and related accessories for use in home and building electronic systems (HBE
19、S) Interrupteurs pour installations lectriques fixes domestiques et analogues - Norme collatrale - Interrupteurs et appareils associs pour usage dans les systmes lectroniques des foyers domestiques et btiments (HBES) Schalter fr Haushalt und hnliche ortsfeste elektrische Installationen - Ergnzungsno
20、rm - Schalter und hnliches Installationsmaterial zur Verwendung in elektronischer Systemtechnik fr Heim und Gebude (ESHG) This draft amendment FprA2, if approved, will modify the European Standard EN 50428:2005; it is submitted to CENELEC members for Unique Acceptance Procedure. Deadline for CENELEC
21、: 2009-03-20. It has been drawn up by CLC/TC 23BX. If this draft becomes an amendment, CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment the status of a national standard without any alteration. This draft amendment
22、 was established by CENELEC 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 Secretariat has the same status as the official versions. CENELEC membe
23、rs are the national electrotechnical committees of Austria, Belgium, Bulgaria, 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, Sloveni
24、a, Spain, Sweden, Switzerland and the United Kingdom. Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and shall not be referred to as a European Standard. Licensed Copy: London South Bank University, South Bank Uni
25、versity, 31/01/2009 04:19, Uncontrolled Copy, (c) BSI Draft for vote EN 50428:2005/FprA2:2008 - 2 - Foreword 1 2 This draft amendment to the European Standard EN 50428:2005 was prepared by Technical Committee 3 CENELEC TC 23BX, D.C. plugs and socket-outlets and switches for household and similar fix
26、ed 4 electrical installations. It is submitted to the CENELEC Unique Acceptance Procedure. 5 6 The following dates are proposed: 7 latest date by which the existence of the amendment has to be announced at national level (doa) dor + 6 months latest date by which the amendment has to be implemented a
27、t national level by publication of an identical national standard or by endorsement (dop) dor + 12 months latest date by which the national standards conflicting with the amendment have to be withdrawn (dow) dor + 36 months (to be confirmed or modified when voting) _ 8 Licensed Copy: London South Ba
28、nk University, South Bank University, 31/01/2009 04:19, Uncontrolled Copy, (c) BSI Draft for vote - 3 - EN 50428:2005/FprA2:2008 Text of FprA2 to EN 50428:2005 9 19 Normal operation 10 Modify the second paragraph as follows: 11 Compliance is checked by the tests of 19.101, 19.102, 19.103, 19.104, 19
29、.105 and 19.201, during which 12 the electronic switches are tested at rated voltage and loaded as specified in clause 17, unless otherwise 13 specified. 14 Add the following new subclause: 15 19.201 For HBES switches designed for heating installations the minimum number of operations declared 16 by
30、 the manufacturer shall be 200000. The load shall be declared by the manufacturer. 17 23 Creepage distances, clearances and distances through sealing compound 18 23.203 Dimensioning of clearances of basic, double or reinforced insulation between circuits 19 Replace the third paragraph after Table 20
31、2 by the following: 20 Clearance values (for required impulse withstand voltage higher than 800 V) smaller than the prescribed 21 values in Table 202 can be used 22 - if the parts are rigid or located by mouldings or if the construction is such that the distances have no 23 likelihood of being reduc
32、ed during mounting, connection and normal use and 24 - if the clearances are not less than the ones given in Table 204 and 25 NOTE When selecting clearances according to Table 04 the requirements of EN 60664-1 regarding influencing factors need 26 to be taken into account. 27 - require verification
33、by carrying out the impulse voltage dielectric test in accordance with EN 60664-1. 28 26 EMC requirements 29 Add the following paragraph after the second paragraph: 30 The test set-ups are described in Annex CC for HBES switches using TP-Media. 31 26.1.2 Surge immunity test for 1,2/50 wave impulses
34、32 Replace the paragraph before Table 209 by the following: 33 If the EUT has an earthing terminal or is connected to a load the test is repeated between line and earth 34 with the test voltage according to Table 209. In case that there is not an earthing terminal each EUT load 35 terminal is connected via a capacitor of 3,3 nF to earth. The EUT shall be placed on a copper plane 36 connected to the same earth as the generator. 37 _ 38 Licensed Copy: London South Bank University, South Bank University, 31/01/2009 04:19, Uncontrolled Copy, (c) BSI