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1、BRITISH STANDARD BS EN 60947-4-1:2001 Incorporating Corrigendum No. 1 and Amendment Nos 1 and 2 Low-voltage switchgear and controlgear Part 4-1: Contactors and motor-starters Electromechanical contactors and motor-starters The European Standard EN 60947-4-1:2001, with the incorporation of amendments
2、 A1:2002 and A2:2005, has the status of a British Standard ICS 29.130.20 ? BS EN 60947-4-1:2001 This British Standard, having been prepared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 September
3、 2001 BSI 2006 ISBN 0 580 38294 X National foreword This British Standard is the official English language version of EN 60947-4-1:2001, including amendments A1:2002 and A2:2005. It is identical with IEC 60947-4-1:2000, and amendment 1:2002, including corrigendum 1:2000. It supersedes BS EN 60947-4-
4、1:1992 which was withdrawn on 1 September 2003. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. Tags indicating changes to IEC text carry the number of the IEC amendment. For examples, text altered by IEC amendment 1 is indicated by !“. Corrigendu
5、m No.1 corrects the equation in 5.3.2.4, deletes AC-7a and AC-7b from table 7, replaces table 8, corrects the second column title of table 9, and corrects the table reference in 8.2.5.1. The UK participation in its preparation was entrusted by Technical Committee PEL/17, Switchgear controlgear and H
6、V-LV co-ordination, to Subcommittee PEL/17/2, Low voltage switchgear and controlgear, which has the responsibility 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 Europea
7、n publications referred to in this document may be found in the BSI Catalogue under the section entitled “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
8、the necessary provisions of a contract. Users are responsible for its correct application. Compliance with 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
9、the interpretation, or proposals for change, and keep UK interests informed; monitor related international 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 104, an inside back cover a
10、nd a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 13484 Corrigendum No. 1 15 March 2002See national foreword 1455915 August 2003See national foreword 1598929 September 2006See nati
11、onal foreword EUROPEAN STANDARD EN 60947-4-1 NORME EUROPENNE February 2001 EUROPISCHE NORM + A1 December 2002 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de S
12、tassart 35, B - 1050 Brussels 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. ICS 29.120.99; 29.130.20 English version Low-voltage switchgear and controlgear Part 4-1: Contactors and motor-starters - Electromechanical contactors and moto
13、r-starters Appareillage basse tension Partie 4-1: Contacteurs et dmarreurs de moteurs - Contacteurs et dmarreurs lectromcaniques Niederspannungsschaltgerte Teil 4-1: Schtze und Motorstarter - Elektromechanische Schtze und Motorstarter Up-to-date lists and bibliographical references concerning such n
14、ational 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 a CENELEC member into its own lang
15、uage and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal,
16、Spain, Sweden, Switzerland and United Kingdom. + A2 September 2005 (IEC 60947-4-1:2000) (IEC 60947-4-1:2000) (CEI 60947-4-1:2000) This European Standard was approved by CENELEC on 2000-09-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions
17、 for giving this amendment the status of a national standard without any alteration. Ref. No. EN 60947-4-1:2001 E Foreword The text of document 17B/1049/FDIS, future amendment to IEC 60947-4-1:1990, prepared by SC 17B, Low-voltage switchgear and controlgear, of IEC TC 17, Switchgear and controlgear,
18、 was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A3 to EN 60947-4-1:1992 on 2000-09-01. The text of this document, together with that of IEC 60947-4-1:1990, its corrigendum 1991 and its amendments 1:1994 and 2:1996, was published by IEC as the second edition o
19、f IEC 60947-4-1 in November 2000. According to a decision of principle taken by the Technical Board of CENELEC, the approval of EN 60947-4-1:1992/A3 has been converted into the approval of a new EN 60947-4-1. This European Standard supersedes EN 60947-4-1:1992 + corrigendum June 1997 + A1:1995 + cor
20、rigendum June 1997 + A2:1997. 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)2001-08-01 latest date by which the national standards conflicting with the EN have to be withdrawn
21、(dow)2003-09-01 Annexes designated “normative“ are part of the body of the standard. Annexes designated “informative“ are given for information only. Annexes A, B and F form an integral part of this standard. Annexes D and E are for information only. Annex ZA has been added by CENELEC. In this stand
22、ard the following print types are used: - requirements: in roman type; - test specifications: in italic type; - notes: in smaller roman type. _ Endorsement notice The text of the International Standard IEC 60947-4-1:2000 was approved by CENELEC as a European Standard without any modification. _ Page
23、 2 EN 6094741:2001 Foreword to amendment A1 The text of document 17B/1210/FDIS, future amendment 1 to IEC 60947-4-1:2000, prepared 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 a
24、s amendment A1 to EN 60947-4-1:2001 on 2002-10-01. The following dates were fixed: latest date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2003-07-01 latest date by which the national standards conflicting wi
25、th the amendment have to be withdrawn (dow) 2005-10-01 Annexes designated “normative“ are part of the body of the standard. Annexes designated “informative“ are given for information only. In this standard, annexes F and ZA are normative and annex E is informative. Annex ZA has been added by CENELEC
26、. _ Endorsement notice The text of amendment 1:2002 to the International Standard IEC 60947-4-1:2000 was approved by CENELEC as an amendment to the European Standard without any modification. _ Page 3 EN 6094741:2001 Foreword to amendment A2 The text of document 17B/1412/FDIS, future amendment 2 to
27、IEC 60947-4-1:2000, prepared 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 A2 to EN 60947-4-1:2001 on 2005-07-01. The following dates were fixed: latest date by whic
28、h the amendment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2006-04-01 latest date by which the national standards conflicting with the amendment have to be withdrawn (dow) 2008-07-01 Annex ZA has been added by CENELEC. _ Endorseme
29、nt notice The text of amendment 2:2005 to the International Standard IEC 60947-4-1:2000 was approved by CENELEC as an amendment to the European Standard without any modification. _ Page 4 EN 60947-4-1:2001 CONTENTS Page 1 Scope and object8 1.1 AC and d.c. contactors 8 1.2 AC motor-starters 8 1.2.1 D
30、irect-on-line (full voltage) a.c. starters 9 1.2.2 Reduced voltage a.c. starters.9 1.2.3 Rheostatic rotor starters.10 1.3 This standard does not apply to: 10 1.4 The object of this standard is to state:10 2 Normative references .11 3 Terms, definitions, symbols and abbreviations.12 3.1 Definitions c
31、oncerning contactors.13 3.2 Definitions concerning starters.14 3.3 Characteristic quantities 18 3.3.1 Transient recovery voltage (abbreviation: TRV) IEV 441-17-2618 3.4 Symbols and abbreviations 18 4 Classification19 5 Characteristics of contactors and starters19 5.1 Summary of characteristics19 5.2
32、 Type of equipment.19 5.2.1 Kind of equipment19 5.2.2 Number of poles.19 5.2.3 Kind of current (a.c. or d.c.)19 5.2.4 Interrupting medium (air, oil, gas, vacuum, etc.)19 5.2.5 Operating conditions of the equipment19 5.3 Rated and limiting values for main circuits20 5.3.1 Rated voltages.20 5.3.2 Curr
33、ents or powers 21 5.3.3 Rated frequency 23 5.3.4 Rated duties 23 5.3.5 Normal load and overload characteristics .24 5.3.6 Rated conditional short-circuit current 26 5.4 Utilization category26 5.4.1 Assignment of utilization categories based on the results of tests27 5.5 Control circuits 28 5.6 Auxil
34、iary circuits 28 5.7 Characteristics of relays and releases (overload relays) .28 5.7.1 Summary of characteristics 28 5.7.2 Types of relay or release29 5.7.3 Characteristic values29 5.7.4 Designation and current settings of overload relays 30 5.7.5 Time-current characteristics of overload relays .30
35、 5.7.6 Influence of ambient air temperature 31 5.8 Co-ordination with short-circuit protective devices 31 5.9 Vacant.31 Page 5 EN 60947-4-1:2001 5.10 Types and characteristics of automatic change-over devices and automatic acceleration control devices.31 5.10.1 Types 31 5.10.2 Characteristics.31 5.1
36、1 Types and characteristics of auto-transformers for two-step auto-transformer starters31 5.12 Types and characteristics of starting resistors for rheostatic rotor starters.32 6 Product information 32 6.1 Nature of information .32 6.1.1 Identification 32 6.1.2 Characteristics, basic rated values and
37、 utilization .32 6.2 Marking.34 6.3 Instructions for installation, operation and maintenance34 7 Normal service, mounting and transport conditions34 8 Constructional and performance requirements.34 8.1 Constructional requirements 34 8.1.1 Materials34 8.1.2 Current-carrying parts and their connection
38、s.35 8.1.3 Clearances and creepage distances .35 8.1.4 Actuator.35 8.1.5 Indication of the contact position 35 8.1.6 Additional safety requirements for equipment with isolating function35 8.1.7 Terminals.35 8.1.8 Additional requirements for contactors or starters provided with a neutral pole.36 8.1.
39、9 Provisions for earthing .36 8.1.10 Enclosures for equipment.36 8.1.11 Degrees of protection of enclosed contactors and starters 36 8.2 Performance requirements.36 8.2.1 Operating conditions 36 8.2.2 Temperature rise .41 8.2.3 Dielectric properties .43 8.2.4 Normal load and overload performance req
40、uirements43 8.2.5 Co-ordination with short-circuit protective devices.47 8.2.6 Vacant.48 8.2.7 Additional requirements for combination starters, combination switching devices, protected starters and protected switching devices suitable for isolation.48 8.3 Electromagnetic compatibility (EMC)48 8.3.1
41、 General .48 8.3.2 Immunity48 8.3.3 Emission49 9 Tests49 9.1 Kinds of test 49 9.1.1 General .49 9.1.2 Type tests50 9.1.3 Routine tests .50 9.1.4 Sampling tests .50 9.1.5 Special tests51 Page 6 EN 60947-4-1:2001 9.2 Compliance with constructional requirements .51 9.3 Compliance with performance requi
42、rements .51 9.3.1 Test sequences .51 9.3.2 General test conditions 51 9.3.3 Performance under no load, normal load and overload conditions .52 9.3.4 Performance under short-circuit conditions .59 9.3.5 Overload current withstand capability of contactors.64 9.3.6 Routine tests and sampling tests64 9.
43、4 EMC Tests 65 9.4.1 General .65 9.4.2 Immunity65 9.4.3 Emission66 Annex A (normative) Marking and identification of terminals of contactors and associated overload relays .76 Annex B (normative) Special tests80 Annex C Void .87 Annex D (informative) Items subject to agreement between manufacturer a
44、nd user 87 Annex E (informative) Examples of control circuit configurations.88 Annex F (normative) Requirements for auxiliary contact linked with power contact (mirror contact).90 Annex G (informative) Rated operational currents and rated operational powers of switching devices for electrical machin
45、es 92 Annex H (normative) Extended functions within electronic overload relays .96 Annex I (informative) AC1 contactors for use with semiconductor controlled motor loads101 Annex ZA (normative) Normative references to international publications with their corresponding European publications102 Bibli
46、ography .104 Figure 1 Typical curves of currents and torques during a star-delta start (see 1.2.2.1).68 Figure 2 Typical curves of currents and torques during an auto-transformer start (see 1.2.2.2).69 Figure 3 Typical variants of protected starters (see 3.2.7), combination starters (see 3.2.8), pro
47、tected switching devices (see 3.2.26) and combination switching devices (see 3.2.27).71 Figure 4 Example of three-phase diagram of a rheostatic rotor starter with three starting steps (see 3.2.16) and one direction of rotation (in the case when all the mechanical switching devices are contactors)71
48、Figure 5 Typical methods and diagrams of starting alternating-current induction motors by means of auto-transformers 72 Figure 6 Examples of speed/time curves corresponding to cases a), b), c), d), e) and f) of 5.3.5.5 (the dotted parts of the curves correspond to the periods when no current flows t
49、hrough the motor) .73 Figure 7 Multiple of current setting limits for ambient air temperature compensated time-delay overload relays (see 8.2.1.5.1) .74 Figure 8 Thermal memory test75 Page 7 EN 60947-4-1:2001 Figure B.1 Examples of time-current withstand characteristic86 Figure F.1 Mirror contact 90 Figure H.1 Test circuit for the verification of the operating charact