EN 60947-4-3-2014 en Low-voltage switchgear and controlgear - Part 4-3 Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads.pdf

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1、BSI Standards PublicationLow-voltage switchgear and controlgearPart 4-3: Contactors and motor-starters AC semiconductor controllers and contactors for non-motor loadsBS EN 60947-4-3:2014National forewordThis British Standard is the UK implementation of EN 60947-4-3:2014. It isidentical to IEC 60947-

2、4-3:2014. It supersedes BS EN 60947-4-3:2000+A2:2011 which is withdrawn.The UK participation in its preparation was entrusted by TechnicalCommittee PEL/17, Switchgear, controlgear, and HV-LV co-ordination, toSubcommittee PEL/17/2, Low voltage switchgear and controlgear.A list of organizations repres

3、ented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 8

4、1394 8ICS 29.130.20; 31.180Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2014.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STA

5、NDARDBS EN 60947-4-3:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60947-4-3 June 2014 ICS 29.130.20; 31.180 Supersedes EN 60947-4-3:2000 English Version Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-

6、motor loads (IEC 60947-4-3:2014) Appareillage basse tension - Partie 4-3: Contacteurs et dmarreurs de moteurs - Gradateurs et contacteurs semiconducteurs pour charges, autres que des moteurs, courant alternatif (CEI 60947-4-3:2014) Niederspannungsschaltgerte - Teil 4-3: Schtze und Motorstarter - Hal

7、bleiter-Steuergerte und -Schtze fr nichtmotorische Lasten fr Wechselspannung (IEC 60947-4-3:2014) This European Standard was approved by CENELEC on 2014-06-11. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standa

8、rd the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (Engl

9、ish, 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 CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of

10、 Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,

11、 Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CENELEC All right

12、s of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60947-4-3:2014 E BS EN 60947-4-3:2014EN 60947-4-3:2014 - 2 - Foreword The text of document 121A/2/FDIS, future edition 2 of IEC 60947-4-3, prepared by SC 17B “Low-voltage switchgear and controlgear” of

13、 IEC/TC 17 “Switchgear and controlgear“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60947-4-3:2014. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorse

14、ment (dop) 2015-03-11 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2017-06-11 This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and covers essential requ

15、irements of EU Directive 2004/108/EC. For relationship with EU Directive(s), see informative Annex ZZ, which is an integral part of this document. This document supersedes EN 60947-4-3:2000. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

16、 rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC). Endorsement notice The text of the

17、 International Standard IEC 60947-4-3:2014 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60085:2007 NOTE Harmonized as EN 60085:2008 (modified). IEC 60146 (seri

18、es) NOTE Harmonized as EN 60146 (series) (not modified). IEC 60664 (series) NOTE Harmonized as EN 60664 (series) (not modified). IEC 60947-4-2:2011 NOTE Harmonized as EN 60947-4-2:2012 (modified). IEC 61439 (series) NOTE Harmonized as EN 61439 (series) (not modified). BS EN 60947-4-3:2014- 3 - EN 60

19、947-4-3:2014 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edit

20、ion cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest

21、 versions of the European Standards listed in this annex is available here: www.cenelec.eu Publication Year Title EN/HD Year IEC 60269-1 2006 Low-voltage fuses - Part 1: General requirements EN 60269-1 2007 IEC 60410 1973 Sampling plans and procedures for inspection by attributes - - IEC 60947-1 200

22、7 Low-voltage switchgear and controlgear - Part 1: General rules EN 60947-1 2007 +A1 2010 +A1 2011 IEC 61000-4 (series) - Electromagnetic compatibility (EMC) - Part 4-1: Testing and measurement techniques - Overview of IEC 61000-4 series EN 61000-4 (series) - IEC 61000-4-5 2005 Electromagnetic compa

23、tibility (EMC) - Part 4-5: Testing and measurement techniques - Surge immunity test EN 61000-4-5 2006 CISPR 11 (mod) 2009 Industrial, scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement EN 55011 2009 CISPR 11:2009/A1 2010 EN 55011:2009/A

24、1 2010 BS EN 60947-4-3:2014EN 60947-4-3:2014 - 4 - Annex ZZ (informative) Coverage of Essential Requirements of EU Directives This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and within its scope the standard

25、 covers protection requirements of Annex I Article 1 of the EU Directive 2004/108/EC. Compliance with this standard provides presumption of conformity with the specified essential requirements of the Directives concerned. NOTE: Other requirements and other EU Directives may be applicable to the prod

26、ucts falling within the scope of this standard. BS EN 60947-4-3:2014 2 IEC 60947-4-3:2014 IEC 2014 CONTENTS INTRODUCTION . 8 1 Scope 9 2 Normative references 10 3 Terms, definitions, symbols and abbreviations . 10 3.1 Terms and definitions concerning a.c. semiconductor (non-motor-load) control devic

27、es . 11 3.1.1 AC semiconductor controllers and contactors (solid-state contactors) (see Figure 1) . 11 3.1.2 Hybrid controllers and contactors (see Figure 1) . 14 3.2 Vacant . 18 3.3 Symbols and abbreviations 18 4 Classification . 18 5 Characteristics of a.c. semiconductor controllers and contactors

28、 . 19 5.1 Summary of characteristics 19 5.2 Type of equipment . 19 5.3 Rated and limiting values for main circuits . 22 5.3.1 Rated voltages . 22 5.3.2 Currents . 22 5.3.3 Rated frequency . 22 5.3.4 Rated duty 22 5.3.5 Normal load and overload characteristics . 23 5.3.6 Rated conditional short-circu

29、it current . 24 5.4 Utilization category 24 5.4.1 Assignment of ratings based on the results of tests 25 5.5 Control circuits . 26 5.6 Auxiliary circuits . 26 5.7 Vacant . 26 5.8 Coordination with short-circuit protective devices (SCPD) 26 6 Product information . 26 6.1 Nature of information . 26 6.

30、2 Marking 28 6.3 Instructions for installation, operation and maintenance . 28 7 Normal service, mounting and transport conditions 28 7.1 Normal service conditions 28 7.1.1 Ambient air temperature . 28 7.1.2 Altitude . 28 7.1.3 Atmospheric conditions . 28 7.1.4 Shock and vibrations 29 7.2 Conditions

31、 during transport and storage . 29 7.3 Mounting 29 7.4 Electrical system disturbances and influences . 29 8 Constructional and performance requirements . 29 8.1 Constructional requirements 29 8.1.1 General 29 BS EN 60947-4-3:2014IEC 60947-4-3:2014 IEC 2014 3 8.1.2 Materials 29 8.1.3 Current-carrying

32、 parts and their connections 29 8.1.4 Clearances and creepage distances . 29 8.1.5 Actuator 30 8.1.6 Indication of the contact position 30 8.1.7 Additional requirements for equipment suitable for isolation 30 8.1.8 Terminals . 30 8.1.9 Additional requirements for equipment provided with a neutral po

33、le 30 8.1.10 Provisions for protective earthing 30 8.1.11 Enclosures for equipment . 30 8.1.12 Degrees of protection of enclosed equipment . 30 8.1.13 Conduit pull-out, torque and bending with metallic conduits 30 8.2 Performance requirements . 30 8.2.1 Operating conditions . 30 8.2.2 Temperature ri

34、se 32 8.2.3 Dielectric properties 34 8.2.4 Normal load and overload performance requirements . 35 8.2.5 Coordination with short-circuit protective devices . 42 8.3 EMC requirements . 42 8.3.1 General 42 8.3.2 Emission . 43 8.3.3 Immunity . 43 9 Tests . 45 9.1 Kinds of tests . 45 9.1.1 General 45 9.1

35、.2 Type tests . 45 9.1.3 Routine tests 45 9.1.4 Sampling tests 45 9.1.5 Special tests . 46 9.2 Compliance with constructional requirements . 46 9.3 Compliance with performance requirements . 46 9.3.1 Test sequences 46 9.3.2 General test conditions . 47 9.3.3 Performance under no load, normal load an

36、d overload conditions . 47 9.3.4 Performance under short-circuit conditions . 54 9.3.5 Disponible 58 9.4 General 58 9.4.1 EMC emission tests 58 9.4.2 EMC immunity tests 59 9.5 Routine and sampling tests 61 9.5.1 General 61 9.5.2 Operation and operating limits 61 9.5.3 Dielectric tests 61 Annex A (no

37、rmative) Marking and identification of terminals 62 A.1 General 62 A.2 Marking and identification of terminals of controller and contactors 62 A.2.1 Marking and identification of terminals of main circuits . 62 BS EN 60947-4-3:2014 4 IEC 60947-4-3:2014 IEC 2014 A.2.2 Marking and identification of te

38、rminals of control circuits 62 A.2.3 Marking and identification of auxiliary circuits . 62 Annex B (informative) Typical service conditions for controllers and contactors . 65 B.1 Control of resistive heating elements . 65 B.2 Switching of electric discharge lamp controls . 65 B.3 Switching of incan

39、descent lamps . 66 B.4 Switching of transformers. 66 B.5 Switching of capacitor banks 66 Annex C Vacant 67 Annex D Vacant 68 Annex E Vacant 69 Annex F (informative) Operating capability. 70 Annex G Vacant 73 Annex H Vacant 74 Annex I (normative) Modified test circuit for short-circuit testing of sem

40、iconductor contactors and controllers . 75 Annex J (informative) Flowchart for constructing bypassed semiconductor controllers tests . 77 Bibliography 78 Figure 1 Graphical possibilities of controllers . 13 Figure 2 Methods of connecting . 21 Figure F.1 Thermal stability test profile 70 Figure F.2 O

41、verload capability test profile 71 Figure F.3 Blocking and commutating capability test profile . 72 Figure I.1 Modified circuit for short-circuit testing of semiconductor devices . 75 Figure I.2 Time line for the short-circuit test of 9.3.4.1.6 76 Table 1 Functional possibilities of controllers and

42、contactors . 14 Table 2 Utilization categories . 25 Table 3 Relative levels of severity 25 Table 4 Temperature rise limits for insulated coils in air and in oil 34 Table 5 Intermittent duty test cycle data . 34 Table 6 Minimum overload current withstand time (Tx) in relation to overload current rati

43、o (X) 36 Table 7 Minimum requirements for thermal stability test conditions 37 Table 8 Minimum requirements for overload capability test conditions . 38 Table 9 Minimum requirements and conditions for performance testing, including blocking and commutating capability . 39 Table 10 Making and breakin

44、g capacity test Making and breaking conditions according to utilization categories for the mechanical switching device of hybrid semiconductor controller and contactor H4, H5 . 40 Table 11 Conventional operational performance Making and breaking conditions according to utilization categories for the

45、 mechanical switching device of hybrid controllers and contactors H4B, H5B 41 Table 12 Specific performance criteria when EM disturbances are present 44 BS EN 60947-4-3:2014IEC 60947-4-3:2014 IEC 2014 5 Table 13 Thermal stability test specifications . 51 Table 14 Initial case temperature requirement

46、s 52 Table 15 Terminal disturbance voltage limits for conducted radiofrequency emission . 59 Table 16 Radiated emissions test limits . 59 Table A.1 Main circuit terminal markings 62 BS EN 60947-4-3:2014 8 IEC 60947-4-3:2014 IEC 2014 INTRODUCTION This part of IEC 60947 covers low-voltage a.c. semicon

47、ductor controllers and contactors (solid-state contactors) intended for the use with non-motor loads. As controllers, they have many capabilities beyond the simple switching on and off of non-motor loads. As contactors, they perform the same functions as mechanical contactors, but utilize one or mor

48、e semiconductor switching devices in their main poles. The devices may be single-pole or multi-pole (see 2.3.1 of IEC 60947-1:2007,). This standard refers to complete devices rated as a unit incorporating all necessary heat-sinking material and terminals. It includes devices with all necessary termi

49、nals, which are supplied with or without heat-sink in knocked-down form for combination by the users, when the manufacturer gives with the device detailed information about choosing the heat-sink and mounting the device on the heat-sink. The generic term, “controller“, is used in this standard wherever the unique features of the power semiconductor switching elements are the most significant points of interest. The generic term “contactor“ is used in this standard wh

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