1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationLow-voltage switchgearand controlgearPart 4-2: Contactors and motor-starters AC semiconductor motor controllers and startersBS EN 60947-4-2:2012BS EN 60947-4-2:2012Incorporating
2、Corrigendum July 2012National forewordThis British Standard is the UK implementation of EN 60947-4-2:2012. It isidentical to IEC 60947-4-2:2011. It supersedes BS EN 60947-4-2:2000, whichwill be withdrawn on 22 June 2014.The UK participation in its preparation was entrusted by Technical CommitteePEL/
3、17, Switchgear, controlgear, and HV-LV co-ordination, to SubcommitteePEL/17/2, Low voltage switchgear and controlgear.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontrac
4、t. Users are responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 64588 4ICS 29.130.20 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the author
5、ity of the Standards Policy and Strategy Committee on 31 July 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60947-4-2:2012fromlegal obligations.StandardsPolicy and Strategy Committee n 31 July 2012.-t i l 47-4-2:2012. It is47-4-2:201 , incorporating corrige
6、ndum July 12. Itsupersedes BS EN 60947-4-2:200 , which will be withdrawn on 22 June 2014.subcommittee can be obtained onsecr t .0 580 80313 0ndments/corrig nda issued since publicationDate Text affected31 August 2012 Implementation of IEC corrigendum July 2012:Table 19 modifiedEUROPEAN STANDARD EN 6
7、0947-4-2 NORME EUROPENNE EUROPISCHE NORM June 2012 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2012 CENELEC - All rights of expl
8、oitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60947-4-2:2012 E ICS 29.130.20 Supersedes EN 60947-4-2:2000 + A1:2002 + A2:2006English version Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controlle
9、rs and starters (IEC 60947-4-2:2011) Appareillage basse tension - Partie 4-2: Contacteurs et dmarreurs de moteurs - Gradateurs et dmarreurs semiconducteurs de moteurs courant alternatif (CEI 60947-4-2:2011) Niederspannungsschaltgerte - Teil 4-2: Schtze und Motorstarter - Halbleiter-Motor-Steuergerte
10、 und -Starter fr Wechselspannungen (IEC 60947-4-2:2011) This European Standard was approved by CENELEC on 2011-06-22. 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 witho
11、ut 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 (English, French, German). A version in any oth
12、er 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 Austria, Belgium, Bulgaria, Croatia, Cypr
13、us, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 60947-4-2:2012E
14、N 60947-4-2:2012 Foreword The text of document (17B/1734/FDIS), future edition 3 of IEC 60947-4-2, prepared by SC 17B, “Low-voltage switchgear and controlgear“, of IEC TC 17, “Switchgear and controlgear“, was submitted to theIEC-CENELEC parallel vote and approved by CENELEC as EN 60947-4-2:2012. The
15、 following dates are fixed: latest date by which the document hasto be implemented at national level bypublication of an identical nationalstandard or by endorsement (dop) 2012-12-29 latest date by which the nationalstandards conflicting with thedocument have to be withdrawn (dow) 2014-06-22 This Eu
16、ropean Standard supersedes EN 60947-4-2:2000 + A1:2002 + A2:2006. EN 60947-4-2:2012 includes the following significant technical changes with respect to EN 60947-4-2:2000 + A1:2002 + A2:2006: updated EMC normative references and associated requirements, new references to EN 60947-1, marking of elect
17、ronic relays without thermal memory, marking of tripping time at 0 C ambient or below, new test requirements for limits of operation of time-delay overload relays, new classes of overload current withstand time, damp heat, salt mist, vibration and shock tests, short-circuit test in the smallest encl
18、osure, update of the routine and sampling tests. Attention is drawn to the possibility that some of the elements of this document may be the subject ofpatent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patentrights. This standard shall be read in conjunction
19、 with EN 60947-1:2007, Low-voltage switchgear andcontrolgear Part 1: General rules. The provisions of the general rules are applicable to this standard,where specifically called for. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designedfor Use within
20、Certain Voltage Limits (LVD - 2006/95/EC). This document has been prepared under a mandate given to CENELEC by the European Commissionand the European Free Trade Association, and supports essential requirements of EU Directive(s). For the relationship with EU Directive(s) see informative Annex ZZ, w
21、hich is an integral part of thisdocument. _ BS EN 60947-4-2:2012EN 60947-4-2:2012 Endorsement notice The text of the International Standard IEC 60947-4-2:2011 was approved by CENELEC as a EuropeanStandard without any modification. In the official version, for Bibliography, the following notes have t
22、o be added for the standards indicated: IEC 60146 series NOTE Harmonized in EN 60146 series (not modified).IEC 60255 series IEC 60947-5 series IEC 61000-3-2:2005 + A1: 2008 + A2: 2009 IEC 61000-4-2:2008IEC 61000-4-3:2006 + A1: 2007 + A2: 2010 IEC 61000-4-4:2004+ A1: 2010 IEC 61000-4-5:2005IEC 61000-
23、4-6:2008IEC 61000-4-11:2004IEC 61131-2:2007 NOTE Harmonized in EN 60255 series (partially modified). NOTE Harmonized in EN 60947-5 series (partially modified). NOTE Harmonized as EN 61000-3-2:2006 + A1:2009 + A2:2009 (not modified). NOTE Harmonized as EN 61000-4-2:2009 (not modified). NOTE Harmonize
24、d as EN 61000-4-3:2006 + A1:2008 + A2:2010 (not modified). NOTE Harmonized as EN 61000-4-4:2004 + A1:2010 (not modified). NOTE Harmonized as EN 61000-4-5:2006 (not modified).NOTE Harmonized as EN 61000-4-6:2009 (not modified).NOTE Harmonized as EN 61000-4-11:2004 (not modified).NOTE Harmonized as EN
25、 61131-2:2007 (not modified). _ BS EN 60947-4-2:2012EN 60947-4-2:2012 Annex ZA (normative) Normative references to international publicationswith their corresponding European publications The following referenced documents are indispensable for the application of this document. For datedreferences,
26、only the edition cited applies. For undated references, the latest edition of the referenceddocument (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HDapplies. Publication Year Title EN/HD Year
27、IEC 60034-1 (mod) 2010 Rotating electrical machines - Part 1: Rating and performance EN 60034-1 + corr. October 20102010 IEC 60085 2007 Electrical insulation - Thermal evaluation anddesignation EN 60085 2008 IEC 60269-1+ A1 20062009 Low-voltage fuses - Part 1: General requirements EN 60269-1+ A1 200
28、72009 IEC 60410 1973 Sampling plans and procedures for inspectionby attributes - - IEC 60664 Series Insulation coordination for equipment withinlow-voltage systems EN 60664 Series IEC 60947-1 2007 Low-voltage switchgear and controlgear - Part 1: General rules EN 60947-1 2007 IEC 61000-4 Series Elect
29、romagnetic compatibility (EMC) - Part 4: Testing and measurement techniques - EN 61000-4 Series CISPR 11 (mod)+ A1 20092010 Industrial, scientific and medical equipment -Radio-frequency disturbance characteristics -Limits and methods of measurement EN 55011+ A1 20092010 BS EN 60947-4-2:2012EN 60947-
30、4-2:2012 Annex ZZ (informative) Coverage of Essential Requirements of EU Directives This European Standard has been prepared under a mandate given to CENELEC by the EuropeanCommission and the European Free Trade Association and within its scope the standard covers allrelevant essential requirements
31、as given in Article 1 of Annex I of the Directive 2004/108/EC. Compliance with this standard provides one means of conformity with the specified essentialrequirements of the Directive concerned. WARNING - Other requirements and other EU Directives may be applicable to the products falling withinthe
32、scope of this standard. BS EN 60947-4-2:201260947-4-2 IEC:2011 CONTENTS INTRODUCTION . 8 1 Scope . . 9 2 Normative references . 10 3 Terms, definitions, symbols and abbreviations . 10 3.1 General . . 10 3.2 Alphabetical index of terms . 10 3.3 Terms and definitions concerning a.c. semiconductor moto
33、r controllers and starters 12 3.4 Terms and definitions concerning hybrid motor controllers and starters . . 14 3.5 Terms and definitions concerning EMC definitions . . 18 3.6 Symbols and abbreviations 19 4 Classification 19 5 Characteristics of a.c. semiconductor motor controllers and starters . .
34、20 5.1 Summary of characteristics . 20 5.2 Type of equipment . 20 5.2.1 Form of equipment 20 5.2.2 Number of poles . . 20 5.2.3 Kind of current 20 5.2.4 Interrupting medium (air, vacuum, etc.) . 20 5.2.5 Operating conditions of the equipment . 20 5.3 Rated and limiting values for main circuits 21 5.
35、3.1 Rated voltages . 21 5.3.2 Currents 23 5.3.3 Rated frequency . . 23 5.3.4 Rated duty . 23 5.3.5 Normal load and overload characteristics . 24 5.3.6 Rated conditional short-circuit current . 25 5.4 Utilization category . 25 5.4.1 General . 25 5.4.2 Assignment of ratings based on the results of tes
36、ts . 26 5.5 Control circuits . . 27 5.6 Auxiliary circuits 27 5.7 Characteristics of relays and releases (overload relays) . . 27 5.7.1 Summary of characteristics. . 28 5.7.2 Types of relay or release 28 5.7.3 Characteristic values . . 28 5.7.4 Designation and current settings of overload relays . 2
37、9 5.7.5 Time-current characteristics of overload relays . 29 5.7.6 Influence of ambient air temperature . 30 5.8 Co-ordination with short-circuit protective devices (SCPD) 30 6 Product information . . 30 6.1 Nature of information 30 6.2 Marking . . 31 6.3 Instructions for installation, operation, an
38、d maintenance . 31 7 Normal service, mounting and transport conditions . 32 BS EN 60947-4-2:201260947-4-2 IEC:2011 7.1 Normal service conditions . 32 7.1.1 Ambient air temperature . 32 7.1.2 Altitude . . 32 7.1.3 Atmospheric conditions . 32 7.1.4 Shock and vibrations . . 32 7.2 Conditions during tra
39、nsport and storage . 32 7.3 Mounting . . 32 7.4 Electrical system disturbances and influences . 32 8 Constructional and performance requirements . 33 8.1 Constructional requirements 33 8.1.1 General . 33 8.1.2 Materials . 33 8.1.3 Current-carrying parts and their connections 33 8.1.4 Clearances and
40、creepage distances . 33 8.1.5 Actuator . 33 8.1.6 Indication of the contact position . . 33 8.1.7 Additional requirements for equipment suitable for isolation 33 8.1.8 Terminals 33 8.1.9 Additional requirements for equipment provided with a neutral pole 34 8.1.10 Provisions for protective earthing .
41、 34 8.1.11 Enclosures for equipment . 34 8.1.12 Degrees of protection of enclosed equipment . 34 8.1.13 Conduit pull-out, torque and bending with metallic conduits . 34 8.2 Performance requirements 34 8.2.1 Operating conditions 34 8.2.2 Temperature rise . 38 8.2.3 Dielectric properties. 41 8.2.4 Nor
42、mal load and overload performance requirements . 42 8.2.5 Co-ordination with short-circuit protective devices . 47 8.3 EMC requirements . 47 8.3.1 General . 47 8.3.2 Emission . 48 8.3.3 Immunity . 48 9 Tests . 50 9.1 Kinds of tests . . 50 9.1.1 General . 50 9.1.2 Type tests . 50 9.1.3 Routine tests
43、50 9.1.4 Sampling tests 50 9.1.5 Special tests . 51 9.2 Compliance with constructional requirements . . 51 9.3 Compliance with performance requirements . 51 9.3.1 Test sequences . 51 9.3.2 General test conditions . 52 9.3.3 Performance under no load, normal load, and overload conditions . 52 9.3.4 P
44、erformance under short-circuit conditions . 62 9.3.5 EMC tests 65 9.3.6 Routine and sampling tests . . 68 Annex A (normative) Marking and identification of terminals . 70 BS EN 60947-4-2:201260947-4-2 IEC:2011 Annex B Vacant 73 Annex C (normative) Co-ordination at the crossover current between the s
45、tarter andassociated SCPD 74 Annex D Vacant 78 Annex E Vacant 79 Annex F (informative) Operating capability 80 Annex G (informative) Examples of control circuit configurations . 83 Annex H Vacant 85 Annex I (normative) Modified test circuit for short-circuit testing of semiconductor motor controller
46、s and starters . . 86 Annex J (informative) Flowchart for constructing bypassed semiconductor controllers tests . 88 Annex K (normative) Extended functions within electronic overload relays 89 Bibliography . 94 Figure 1 Semiconductor motor control devices . 13 Figure 2 Connecting methods . 22 Figure
47、 3 Thermal memory test 36 Figure 4 Multiple of current setting limits for ambient air temperature compensated time-delay overload relays . 62 Figure C.1 Examples of time-current withstand characteristic . 77 Figure F.1 Thermal stability test profile . 80 Figure F.2 Overload capability test profile .
48、 81 Figure F.3 Blocking and commutating capability test profile . . 82 Figure G.1 Diagrammatic representation of an ECD 83 Figure G.2 Single supply and control input . 83 Figure G.3 Single supply and control input . 84 Figure G.4 Controllers with an internal control supply and control input only 84
49、Figure I.1 Modified circuit for short-circuit testing of semiconductor devices . 86 Figure I.2 Time line for the short-circuit test of 9.3.4.1.6 87 Figure K.1 Test circuit for the verification of the operating characteristic of a residualcurrent electronic overload relay 93 Table 1 Functional possibilities of semiconductor motor control devices . 14 Table 2 Utilization categories 26 Table 3 Relative levels of severity . . 27 Table 4 Trip classes of overl
