BS 5581-1978 Specification for low voltage switchgear and controlgear for industrial use - Terminal marking and distinctive number for particular control switches《工业用低压开关设备和控制装置规范 .pdf

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1、BRITISH STANDARD BS 5581:1978 EN 50013:1977 Specification for Low voltage switchgear and controlgear for industrial use Terminal marking and distinctive number for particular control switches This European Standard EN 50013 was given as from 31 May 1978 the status of a British Standard UDC 621.316.5

2、4:621.3.027.2:003.62BS5581:1978 This British Standard was published under the authority ofthe Executive Board on 31May1978 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference PEL/92 Draft for comment 73/26491 DC ISBN 0 580 10125 8 Cooperating organizatio

3、ns The European Committee for Electrotechnical Standardization (CENELEC), under whose supervision this European Standard was prepared, comprises the National Committees of the following countries. A British Standard does not purport to include all the necessary provisions of a contract. Users of Bri

4、tish Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages 2 to 4, an inside back co

5、ver and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Austria Netherlands Belgium Norway Denmark Portugal Finland Spain France Sweden Germany Switzerland Ireland Uni

6、ted Kingdom Italy Amendments issued since publication Amd. No. Date of issue CommentsBS5581:1978 BSI 10-1999 i Contents Page Cooperating organizations Inside front cover Foreword 2 Text of EN 50013 3 National appendix A Inside back cover National appendix B Inside back coverii blankEUROPEAN STANDARD

7、 NORME EUROPENNE EUROPISCHE NORM EN 50013 Edition 1 February 1977 UDC 621.316.54:621.3.027.2:003.62 Key words: Electrical switchgear and controlgear industrial use low voltage terminal marking distinctive number auxiliary contact control switch push button limit switch contactor relay Englishversion

8、 Low voltage switchgear and controlgear for industrial use Terminal marking and distinctive number forparticularcontrol switches Appareillage industriel basse tension Marquage des bornes et nombre caracteristique pour des auxiliaires de commande particuliers Industrielle Niederspannungs-Schaltgerte

9、Anschlussbezeichnungen und Kennzahlen frbestimmte Befehlsgerte This European Standard was accepted by CENELEC on 31 January 1977. CENELEC members are committed in accordance with CENELEC Internal Regulations to give this European Standard the status of a national standard without any alteration. Up-

10、to-date lists and bibliographical references concerning such national standards may be obtained on application to the CENELEC General Secretariat or to any CENELEC member. This European Standard is established by CENELEC in three official versions (English, French, German). A translation made by ano

11、ther member under its own responsibility, in its own language, and notified to CENELEC has the same status. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland a

12、nd United Kingdom. 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 Copyright reserved to all CENELEC membersEN50013:1977 BSI 10-19

13、99 2 Foreword This European Standard has been prepared by CENELEC Technical Committee 17X. Control switch contacts may be given a distinctive number and terminal marking in accordance with the General rules, EN 50005. On this basis, it is desirable to lay down more detailed rules for particular cont

14、rol switches, such as those defined in clause1. Contents Page Foreword 2 1 Scope 3 2 Terminal marking rule 3 3 Distinctive number 3 4 Terminal numbering sequence 3 Table 1 Diagrams of control switches 4EN50013:1977 BSI 10-1999 3 1 Scope This standard applies to control switches according to IEC Stan

15、dard 337-1, with two definite positions (such as push-buttons, limit-switches and similar devices), irrespective of their construction, having terminal marking in accordance with the corresponding marking of contactor relays designated by the distinctive letter E (seeEN50011). The use of this standa

16、rd is recommended where terminal marking is a requirement of the relevant standard for control switches, or is usual practice. 2 Terminal marking rule The contact terminal marking of a control switch is formed, in principle, by two figures. 2.1 Function number. The unit number is a function number,

17、i.e. 1 2 for break-contacts; 3 4 for make-contacts; 1 2 4 for change-over contacts. 2.2 Sequence number. The figure of the tens is a continuous sequence number beginning with 1 (except for control switches designated 01), independently of the contact function. The terminals belonging to the same con

18、tacts are marked with the same sequence number. The sequence number may be omitted from the terminal marking only if additional information provided by the manufacturer or the user clearly gives such number. NOTEThe dots before the function shown in the above examples are used merely to show the rel

19、ationship, and do not need to be used in practice. 3 Distinctive number The quantity and type of the contact elements of a control switch according to this standard are indicated by a distinctive number. In accordance withEN50005, clause 6, the first figure of the distinctive number gives the quanti

20、ty of make-contact elements the second one the quantity of break-contact elements. The third one, if any, gives the quantity of change-over contact elements in the control switch. 4 Terminal numbering sequence For control switches having the same distinctive number, the terminal marking is specified

21、 according toTable 1. The position of the contact elements on the control switch may not correspond to that shown on the diagram ofTable 1.EN50013:1977 4 BSI 10-1999 Table 1 Diagrams of control switches Distinc. number Contact elements Distinc. number Contact elements Distinc. number Contact element

22、s Distinc. number Contact elements Distinc. number Contact elements 10 01 20 11 02 30 21 12 03 40 31 22 13 04 001 002BS5581:1978 BSI 10-1999 National appendix A The United Kingdom participation in the preparation of this European Standard came under the direction of the Power Electrical Engineering

23、Standards Committee of BSI. The committee consists of representatives from the following Government departments and scientific and industrial organizations: Associated Offices Technical Committee Association of Short Circuit Testing Authorities* British Electrical and Allied Manufacturers Associatio

24、n (BEAMA) British Railways Board British Steel Corporation Department of Energy (Electricity) Electrical Contractors Association* Electrical Contractors Association of Scotland Electrical Research Association* Electricity Supply Industry in England and Wales* Engineering Equipment Users Association*

25、 Institution of Electrical Engineers* Ministry of Defence* National Coal Board* Trades Union Congress The organizations marked with an asterisk in the above list, together with the following, were directly represented on the committee involved with the work on this standard: Association of Control M

26、anufacturers (BEAMA) Association of Supervisory and Executive Engineers Control and Automation Manufacturers Association (BEAMA) Copper Development Association Department of the Environment (PSA) Electrical Installation Equipment Manufacturers Association (BEAMA) Electronic Components Industry Feder

27、ation Health and Safety Executive The Transmission & Distribution Association (BEAMA) National appendix B With reference to the Foreword and clause 3, EN 50005 has been published as BS 5472 “Low voltage switchgear and controlgear for industrial use. Terminal marking and distinctive number. General r

28、ules”. With reference to clause 1, EN 50011 has been published as BS 5583 “Low voltage switchgear and controlgear for industrial use. Terminal marking, distinctive number and distinctive letter for particular contactor relays”. With reference to clause 1, Part 1 “General requirements” of BS 4794 “Co

29、ntrol switches” is technically equivalent to IEC 337-1.BS 5581:1978 EN50013:1977 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the internat

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