BS-EN-60947-5-4-2003.pdf
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1、BRITISH STANDARD BS EN 60947-5-4:2003 Low-voltage switchgear and controlgear Part 5-4: Control circuit devices and switching elements Method of assessing the performance of low-energy contacts Special tests The European Standard EN 60947-5-4:2003 has the status of a British Standard ICS 29.130.20 ?
2、BS EN 60947-5-4:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 18 December 2003 BSI 18 December 2003 ISBN 0 580 43145 2 National foreword This British Standard is the official English language version of EN 60947-5-4:2003. It is identic
3、al with IEC 60947-5-4:2002. It supersedes BS EN 60947-5-4:1997 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee PEL/17, Switchgear, controlgear and HV-LV co-ordination, to Subcommittee PEL/17/2, Low-voltage switchgear and controlgear, which has the res
4、ponsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitle
5、d “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance w
6、ith a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related intern
7、ational and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 25 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendmen
8、ts issued since publication Amd. No. DateComments EUROPEAN STANDARD EN 60947-5-4 NORME EUROPENNE EUROPISCHE NORM December 2003 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secr
9、etariat: rue de Stassart 35, B - 1050 Brussels 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60947-5-4:2003 E ICS 29.130.20 Supersedes EN 60947-5-4:1997 English version Low-voltage switchgear and controlgear Part 5-4: Contr
10、ol circuit devices and switching elements - Method of assessing the performance of low-energy contacts - Special tests (IEC 60947-5-4:2002) Appareillage basse tension Partie 5-4: Appareils et lments de commutation pour circuits de commande - Mthode dvaluation des performances des contacts basse nerg
11、ie - Essais spciaux (CEI 60947-5-4:2002) Niederspannungsschaltgerte Teil 5-4: Steuergerte und Schaltelemente - Verfahren zur Abschtzung der Leistungsfhigkeit von Schwachstromkontakten - Besondere Prfungen (IEC 60947-5-4:2002) This European Standard was approved by CENELEC on 2003-12-01. CENELEC memb
12、ers 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 applicati
13、on 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 Secretariat h
14、as the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Lithuania, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sw
15、eden, Switzerland and United Kingdom. EN 64907-5-4:0230 - - 2 Foreword The text of the International Standard IEC 60947-5-4:2002, prepared by SC 17B, Low-voltage switchgear and controlgear, of IEC TC 17, Switchgear and controlgear, was submitted to the Unique Acceptance Procedure and was approved by
16、 CENELEC as EN 60947-5-4 on 2003-12-01. This European Standard supersedes EN 60947-5-4:1997. 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) 2004-12-01 - latest date by whic
17、h the national standards conflicting with the EN have to be withdrawn (dow) 2006-12-01 Annexes designated “normative“ are part of the body of the standard. In this standard, Annexes A and ZA are normative. Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standar
18、d IEC 60947-5-4:2002 was approved by CENELEC as a European Standard without any modification. _ Page 2 EN 6094754:2003 069-74-54 IEC:2002 3 CONTENTS INTRODUCTION.4 1 Scope and object5 2 Normative references .5 3 Definitions and list of symbols used6 3.1 Definitions.6 3.2 List of symbols used8 4 Gene
19、ral principles 9 5 General test method.10 6 General characteristics.11 6.1 Measurement methods 11 6.2 Sequences of operations.12 6.3 Electrical characteristics14 6.4 Characteristics of operation.15 7 Characterization of defects.16 7.1 Basic method 16 7.2 Monitoring the load (figure 3) 16 8 Ambient c
20、onditions .16 8.1 Normal conditions .16 8.2 Preconditioning .17 8.3 Particular conditions17 9 Methods of reporting 17 9.1 Failure criterion .17 9.2 Reporting the failure rate.17 10 Information to be provided in the test report .19 Annex A (normative) Information to be supplied by the manufacturer.21
21、 Bibliorgaphy 42 Fiugre1 F ucntinoal diagramo f thet estin gequipmtne 01 Fiugre2 T ypicalt estc ircuitf or theb asicm ethdo . 11 Fiugre3 T estc irciuf torm ointoring a loda 21 Fiugre 4 S equentail diagramw ihtl oad-siwcthignc ontcast 31 Fiugre5 Sequentaild iagram wihtoutl oda-sctiwhignc ontcast. 41
22、TableoC 1 eiffcine tKc fort a ime-terminated test 02 Page 3 EN 6094754:2003 60947-5-4 IEC:2002 3 TNOCENTS INTRODTCUOIN. 4 1 Scpoa endjbo cet.5. 2 roNmtaiv ereferecnse . 5 3 feDiniitonsa ndsil tofs ymslob used 6 3.1feD iniitons.6 3.2 Listo fs ymbolsu sed 8 4 Gerenal principlse .9. 5 Gerenal sett meth
23、do. 01 6 Gerenal chracateristcis. 11 6.1M esarumetne mehtods 11 6.2S equcnese of opretaiosn. 21 6.3E lcertcila chracaretistcis 41 6.4C hracateristcis of opreation. 51 7 Chracaterization of defects. 61 7.1B asic method 61 7.2 Monitorignt h eload( figur e3) 61 8 Amibent conditoisn .61 8.1roN mal condi
24、tions . 61 8.P 2recidnooitnnig . 71 8.P 3articluar idnocoitns 71 9 Methods of reropting 71 9.1F ailrue critreoin . 71 9.2 Reportingt hf eailurer ate. 71 10 fnIormtaio ntob ep rovided in thet estr eport . 91 AnnexA (nromative) Informtaoit no bes uppleidb y them anufactrure. 12 Bibliography25 Figure 1
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