EN 60947-5-1-2004 en Low-voltage switchgear and controlgear Part 5-1 Control circuit devices and switching elements C Electromechanical control circuit devices (Incorporating Corri.pdf

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1、BRITISH STANDARD BS EN +A1:2009 60947-5-1:2004 Incorporating corrigendum 2004 November Low-voltage switchgear and controlgear Part 5-1: Control circuit devices and switching elements Electromechanical control circuit devices ICS 29.120.40; 29.130.20 National foreword This British Standard is the UK

2、implementation of EN 60947-5-1:2004+A1:2009, incorporating corrigendum November 2004. It is identical with IEC 60947-5-1:2003, incorporating amendment 1:2009. It supersedes BS EN 60947-5-1:2004 which is withdrawn. The start and finish of text introduced or altered by amendment is indicated in the te

3、xt by tags. Tags indicating changes to IEC text carry the number of the IEC amendment. For example, text altered by IEC amendment 1 is indicated by !“. The UK participation in its preparation was entrusted by Technical Committee PEL/17, Switchgear, controlgear and HV-LV co-ordination, to Subcommitte

4、e PEL/17/2, Low voltage switchgear and controlgear. A list of organizations represented on this subcommittee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compli

5、ance with a British Standard cannot confer immunity from legal obligations. BS EN 60947-5-1:2004+A1:2009 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 June 2004 BSI 2009 ISBN 978 0 580 69272 7 Amendments/corrigenda issued since publicati

6、on Amd. No. Date Comments 15484 Corrigendum No. 1 31 January 2005 Addition of Annex ZZ 31 October 2009 Implementation of IEC amendment 1:2009 with CENELEC endorsement A1:2009EUROPEAN STANDARD EN 60947-5-1:2004+A1 NORME EUROPENNE EUROPISCHE NORM June 2009 CENELEC European Committee for Electrotechnic

7、al Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2004 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60

8、947-5-1:2004 E ICS 29.120.40; 29.130.20 Supersedes EN 60947-5-1:1997 + A1:1999 + A12:1999 + A2:2000 Incorporates Corrigendum November 2004English version Low-voltage switchgear and controlgear Part 5-1: Control circuit devices and switching elements Electromechanical control circuit devices (IEC 609

9、47-5-1:2003) Appareillage basse tension Partie 5-1: Appareils et lments de commutation pour circuits de commande Appareils lectromcaniques pour circuits de commande (CEI 60947-5-1:2003) Niederspannungsschaltgerte Teil 5-1: Steuergerte und Schaltelemente Elektromechanische Steuergerte (IEC 60947-5-1:

10、2003) This European Standard was approved by CENELEC on 2004-05-01. CENELEC members 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 bibliograp

11、hical references concerning such national standards may be obtained on application 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

12、a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,

13、 Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Foreword The text of document 17B/1297/FDIS, future edition 3 of IEC 60947-5-1, prepared by SC 17B, Low- voltage switchgear and controlgear

14、, of IEC TC 17, Switchgear and controlgear, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60947-5-1 on 2004-05-01. This European Standard supersedes EN 60947-5-1:1997 + A1:1999 + A12:1999 + A2:2000. This European Standard should be used in conjunction with EN 60947

15、-1:1999. 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) 2005-02-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2007-02-01 T

16、his European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and covers essential requirements of EC Directive(s). See Annex ZZ. Annexes ZA and ZZ have been added by CENELEC. The contents of the corrigendum of November 20

17、04 have been included in this copy. _ Endorsement notice The text of the International Standard IEC 60947-5-1:2003 was approved by CENELEC as a European Standard without any modification. _ Foreword to amendment A1 The text of document 17B/1653/FDIS, future amendment 1 to IEC 60947-5-1:2003, prepare

18、d by SC 17B, Low-voltage switchgear and controlgear, of IEC TC 17, Switchgear and controlgear, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 60947-5-1:2004 on 2009-05-01. The following dates were fixed: latest date by which the amendment has to be i

19、mplemented at national level by publication of an identical national standard or by endorsement (dop) 2010-02-01 latest date by which the national standards conflicting with the amendment have to be withdrawn (dow) 2012-05-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of amend

20、ment 1:2009 to the International Standard IEC 60947-5-1:2003 was approved by CENELEC as an amendment to the European Standard without any modification. _ BS EN 60947-5-1:2004+A1:2009 EN 60947-5-1:2004+A1:2009 Page 260947-5-1 IEC:2003 3 CONTENTS OFREWODR 9 1 General.6 1.1 Scope and object .6 1.2 Norm

21、ative references.7 2 Definitions.9 2.1 Basic definitions11 2.2 Control switches .11 2.3 Parts of control switches .14 2.4 Operation of control switches16 3 Classification .19 3.1 Contact elements19 3.2 Control switches .19 3.3 Control circuit devices.19 3.4 Time delay switching elements19 3.5 Contro

22、l switch mounting20 4 Characteristics.20 4.1 Summary of characteristics.20 4.2 Type of control circuit device or switching element20 4.3 Rated and limiting values for switching elements 21 4.4 Utilization categories for switching elements .23 4.5 Vacant 23 4.6 Vacant 23 4.7 Vacant 23 4.8 Vacant 23 4

23、.9 Switching overvoltages .23 4.10 Electrically separated contact elements 23 4.11 Actuating quantities for pilot switches .23 4.12 Pilot switches having two or more contact elements24 5 Product information24 5.1 Nature of information 24 5.2 Marking.24 5.3 Instructions for installation, operation an

24、d maintenance 26 5.4 Additional information .26 6 Normal service, mounting and transport conditions 26 7 Constructional and performance requirements .27 7.1 Constructional requirements .27 7.2 Performance requirements29 7.3 Electromagnetic compatibility (EMC).30 8 Tests33 8.1 Kinds of test33 8.2 Com

25、pliance with constructional requirements34 8.3 Performance .34 BS EN 60947-5-1:2004+A1:2009 EN 60947-5-1:2004+A1:2009 Page 3 Annex A (normative) Electrical ratings based on utilization categories (see 3.1).47 Annex B (normative) Example of inductive test loads for d.c. contacts .49 Annex C (normativ

26、e) Special tests Durability tests 51 Annex D 55 Annex E (normative) Items subject to agreement between manufacturer and user .56 Annex F (normative) Class II control circuit devices insulated by encapsulation Requirements and tests 57 Annex G (normative) Additional requirements for control circuit d

27、evices with integrally connected cables 61 Annex H (normative) Additional requirements for semiconductor switching elements for control circuit devices 64 Annex J (normative) Special requirements for indicator lights and indicating towers.73 Annex K (normative) Special requirements for control switc

28、hes with direct opening action79 Annex L (normative) Special requirements for mechanically linked contact elements .85Figure 1 Examples of the recommended method for drawing an operating diagram of a rotary switch.40 Figure 2 Operation of push-buttons 41 Figure 3 Difference e between the over-travel

29、 of the actuator and that of the contact element.42 Figure 4 Examples of contact elements (schematic sketches) 43 Figure 5 Test circuits for multi-pole control switches Contacts of same polarity, not electrically separated 44 Figure 6 Test circuits for multi-pole control switches Contacts of opposit

30、e polarity, and electrically separated .44 Figure 7 Load L ddetails for test conditions requiring different values of make and break current and/or power factor (time constant) .45 Figure 8 Test circuit, conditional short-circuit current (see 8.3.4.2).46 Figure 9 Current/time limits for d.c. test lo

31、ads (see 8.3.3.5.3).46 Figure B.1 Construction of load for d.c. contacts 50 Figure C.1 Normal circuit (see C.3.2.1) 54 Figure C.2 Simplified circuit (see C.3.2.1) 54 Figure F.1 Insulation by encapsulation .58 Figure F.2 Test apparatus 59 Figure H.1 Relationship between U eand U B .65 Figure H.2 Exam

32、ple of test circuit for the verification of voltage drop, minimum operational current and OFF-state current (see H.8.2, H.8.3 and H.8.4) 67 Figure H.3 Short-circuit testing (see H.8.6.1)68 Figure K.1 Verification of robustness of the actuating system.84 Vacant . Annex M (normative) Terminal marking,

33、 distinctive number and distinctive letter for control circuit devices 88 BS EN 60947-5-1:2004+A1:2009 EN 60947-5-1:2004+A1:2009 Page 4Figure L.1 Example of representation of NO and NC contacts which are mechanically linked and NC non-linked contact86 Figure L.2 Symbol for device containing mechanic

34、ally linked contacts86 Table 1 Utilization categories for switching elements23 Table 2 Mounting hole diameter and dimensions of the key recess (if any).26 Table 3 Preferred minimum distances between centres of mounting holes .27 Table 4 Verification of making and breaking capacities of switching ele

35、ments under normal conditions corresponding to the utilization categories 31 Table 5 Verification of making and breaking capacities of switching elements under abnormal conditions corresponding to the utilization categories 32 Table A.1 Examples of contact rating designation based on utilization cat

36、egories 47 Table A.2 Examples of semiconductors switching element ratings for 50 Hz and/or 60 Hz 48 Table A.3 Examples of semiconductors switching element ratings for d.c. .48 Table B.1 DC loads 50 Table C.1 Making and breaking conditions for electrical durability53 Table H.1 Immunity tests70 Table

37、M.1 Diagrams of control switches Table M.2 Diagrams of contactor relays designated by the distinctive letter E Table M.3 Diagrams of contactor relays designated by the distinctive letter Y . 90 . 29 93 BS EN 60947-5-1:2004+A1:2009 EN 60947-5-1:2004+A1:2009 Page 503 1 3 LOW-VOLTAGE SWITCHGEAR AND CON

38、TROLGEAR Part 5-1: Control circuit devices and switching elements Electromechanical control circuit devices 1 General The provisions of the general rules, IEC 60947-1, are applicable to this standard, where specifically called for. General rules, clauses and subclauses thus applicable, as well as ta

39、bles, figures and annexes are identified by a reference to IEC 60947-1, for example 1.2.3, Table 4 or Annex A of IEC 60947-1. 1.1 Scope and object This part of IEC 60947 applies to control circuit devices and switching elements intended for controlling, signalling, interlocking, etc., of switchgear

40、and controlgear. It applies to control circuit devices having a rated voltage not exceeding 1 000 V a.c. (at a frequency not exceeding 1 000 Hz) or 600 V d.c. However, for operational voltages below 100 V a.c. or d.c., see note 2 of 4.3.1.1. This standard applies to specific types of control circuit

41、 devices such as: manual control switches, for example pushbuttons, rotary switches, foot switches, etc.; electromagnetically operated control switches, either time-delayed or instantaneous, for example contactor relays; pilot switches, for example pressure switches, temperature sensitive switches (

42、thermostats), programmers, etc.; position switches, for example control switches operated by part of a machine or mechanism; associated control circuit equipment, for example indicator lights, etc. NOTE 1 A control circuit device includes (a) control switch(es) and associated devices such as (an) in

43、dicator light(s). NOTE 2 A control switch includes (a) switching element(s) and an actuating system. NOTE 3 A switching element may be a contact element or a semiconductor element. It also applies to specific types of switching elements associated with other devices (whose main circuits are covered

44、by other standards) such as: auxiliary contacts of a switching device (e.g. contactor, circuit breaker. etc.) which are not dedicated exclusively for use with the coil of that device; interlocking contacts of enclosure doors; control circuit contacts of rotary switches; control circuit contacts of o

45、verload relays. BS EN 60947-5-1:2004+A1:2009 EN 60947-5-1:2004+A1:2009 Page 6069-74-5 1 IE:C0203 1 5 Contactor relays shall also meet the requirements and tests of IEC 60947-4-1 except for the utilization category which shall comply with this standard. The colour requirements of indicator lights, pu

46、shbuttons, etc., are found in IEC 60073 and also in publication 2 of the International Commission of Illumination (CIE). The object of this standard is to state: a) The characteristics of control circuit devices. b) The electrical and mechanical requirements with respect to: 1) The various duties to

47、 be performed. 2) The significance of the rated characteristics and of the markings. 3) The tests to verify the rated characteristics. c) The functional requirements to be satisfied by the control circuit devices with respect to: 1) Environmental conditions, including those of enclosed equipment. 2)

48、 Dielectric properties. 3) Terminals. 1.2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60050(441):1984, International Electrotechnical Vocabulary (IEV) Chapter 441: Switchgear, controlgear and fuses Amendment 1 (2000) IEC 60050(446):1983, International Electrotechnical Vocabulary (IEV) Chapter 446: Electrical relays IEC 60068-2-6:1995, Environmental testing Part 2: