1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 60947-4-1 Low-Voltage Switchgear and Controlgear Part 4-1: Contactors and Motor-Starters Electromechanical Contactors and Motor-StartersUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REP
2、RODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Low-Voltage Switchgear and Controlgear Part 4-1: Contactors and Motor-Starters Electromechanical Contactors and Mo
3、tor-Starters, UL 60947-4-1 Third edition, Dated April 4, 2014 Summary of Topics UL 60947-4-1 is an adoption of IEC 60947-4-1, Third Edition, issued by the IEC in 2009. Please note that the National Difference document incorporates all of the U.S. national differences for UL 60947-4-1. The new/revise
4、d requirements are substantially in accordance with Proposal(s) on this subject dated April 19, 2013. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwis
5、e without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, ind
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8、ttorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, gures, and/or other elements of the Standard having
9、 future effective dates as indicated in the preface. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. APRIL 4, 2014 UL 60947-4-1 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED
10、 FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APRIL 4, 2014 UL 60947-4-1 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CSA Group CAN/CSA-C22.2 No. 60947-4-1-14 Second Edition (IEC 60947-4-1:20
11、09, MOD) Underwriters Laboratories Inc. UL 60947-4-1 Third Edition Low-Voltage Switchgear and Controlgear Part 4-1: Contactors and Motor-Starters Electromechanical Contactors and Motor-Starters April 4, 2014 This standard is based on IEC 60947-4-1, edition 3.0 (2009). ANSI/UL 60947-4-1-2014 Approved
12、 byUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Commitment for Amendments This standard is issued jointly by the Canadian Standards Association (operating as “CSA Group”) and Underwriters Laboratories Inc. (UL). Comments or proposals for
13、revisions on any part of the standard may be submitted to CSA Group or UL at anytime. Revisions to this standard will be made only after processing according to the standards development procedures of CSA Group and UL. CSA Group and UL will issue revisions to this standard by means of a new edition
14、or revised or additional pages bearing their date of issue. ISBN 978-1-77139-217-4 2014 CSA Group All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher. This Standard is subject to review 5 years from the date of publi
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18、d Edition. The most recent designation of ANSI/UL 60947-4-1 as an American National Standard (ANSI) occurred on April 4, 2014. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page (front and back), or the Preface. The National Difference Page and IEC Foreword a
19、re also excluded from the ANSI approval of IEC-based standards. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. To purc
20、hase UL Standards, visit Comm 2000 at http:/m- or call toll-free 1-888-853-3503.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS Preface .7 NATIONAL DIFFERENCES 10 FOREWORD . 11 1 Scope and object 14 1.1 Scope 14 1.1.2 AC motor-start
21、ers 15 1.2 Exclusions 17 1.3 Object .18 2 Normative references .18 3 Terms, denitions, symbols and abbreviations .20 3.1 General 20 3.2 Alphabetical index of terms .20 3.3 Terms and denitions concerning contactors 22 3.4 Terms and denitions concerning starters 23 3.5 Terms and denitions concerning c
22、haracteristic quantities 26 3.6 Symbols and abbreviations .27 4 Classication 27 5 Characteristics of contactors and starters .27 5.1 Summary of characteristics .27 5.2 Type of equipment 28 5.3 Rated and limiting values for main circuits 29 5.4 Utilization category 38 5.5 Control circuits 41 5.6 Auxi
23、liary circuits .42 5.7 Characteristics of relays and releases (overload relays) 42 5.8 Co-ordination with short-circuit protective devices .46 5.9 Void .46 5.10 Types and characteristics of automatic change-over devices and automatic acceleration control devices .46 5.11 Types and characteristics of
24、 auto-transformers for two-step auto-transformer starters .47 5.12 Types and characteristics of starting resistors for rheostatic rotor starters .48 6 Product information 48 6.1 Nature of information 48 6.2 Marking 51 6.3 Instructions for installation, operation and maintenance 54 7 Normal service,
25、mounting and transport conditions .54 8 Constructional and performance requirements .54 8.1 Constructional requirements 54 8.2 Performance requirements 58 8.3 Electromagnetic compatibility (EMC) .79 9 Tests .81 9.1 Kinds of test 81 9.2 Compliance with constructional requirements .84 9.3 Compliance w
26、ith performance requirements 84 9.4 EMC Tests 114 APRIL 4, 2014 CAN/CSA-C22.2 NO. 60947-4-1-14 UL 60947-4-1 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Annex A (normative) Marking and identication of terminals of contactors and associat
27、ed overload relays A.1 General 126 A.2 Marking and identication of terminals of contactors .126 A.2.1 Marking and identication of terminals of coils .126 A.2.2 Marking and identication of terminals of main circuits 128 A.2.3 Marking and identication of terminals of auxiliary circuits .129 A.3 Markin
28、g and identication of terminals of overload relays 136 Annex B (normative) Special tests B.1 General 138 B.2 Mechanical durability .138 B.2.1 General .138 B.2.2 Verication of mechanical durability .138 B.3 Electrical durability 141 B.3.1 General .141 B.3.2 Results to be obtained 142 B.3.3 Statistica
29、l analysis of test results for contactors or starters 143 B.4 Co-ordination at the crossover current between the starter and associated SCPD 143 B.4.1 General and denitions .143 B.4.2 Condition for the test for the verication of co-ordination at the crossover current by a direct method 144 B.4.3 Tes
30、t currents and test circuits 144 B.4.4 Test procedure and results to be obtained .145 Annex C Void Annex D (informative) Items subject to agreement between manufacturer and user Annex E (informative) Examples of control circuit congurations E.1 External control device (ECD) 151 E.1.1 Denition of an
31、ECD 151 E.1.2 Diagrammatic representation of an ECD 151 E.1.3 Parameters of an ECD 151 E.2 Control circuit congurations .152 E.2.1 Contactor or starter with external control supply 152 E.2.2 Contactor or starter with an internal control supply and control input only .153 E.2.3 Contactor or starter w
32、ith several external control supplies .154 E.2.4 Contactor or starter with bus interface (may be combined with other circuit congurations) .155 APRIL 4, 2014 CAN/CSA-C22.2 NO. 60947-4-1-14 UL 60947-4-1 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSIO
33、N FROM UL Annex F (normative) Requirements for auxiliary contact linked with power contact (mirror contact) F.1 Scope and object .157 F.1.1 Scope .157 F.1.2 Object .157 F.2 Terms and denitions 157 F.3 Characteristics 157 F.4 Product information .157 F.5 Normal service, mounting and transport conditi
34、ons 158 F.6 Constructional and performance requirements 158 F.7 Tests 158 F.7.1 General .158 F.7.2 Tests on products in a new condition .159 F.7.3 Test after conventional operational performance (dened under Table 10) .159 Annex G (informative) Rated operational currents and rated operational powers
35、 of switching devices for electrical motors G.1 General .160 G.2 Rated operational powers and rated operational currents 160 Annex H (normative) Extended functions within electronic overload relays H.1 Scope .165 H.1.1 General .165 H.1.2 Ground/earth fault detection function .165 H.2 Terms and denit
36、ions .165 H.3 Classication of electronic overload relays .166 H.4 Type of relays 166 H.5 Performance requirements .166 H.5.1 Limits of operation of ground/earth fault relays .166 H.5.2 Limits of operation of ground/earth fault relays type CII(A and B) 167 H.5.3 Limits of operation of voltage imbalan
37、ce relays 167 H.5.4 Limits of operation of phase reversal relays .168 H.5.5 Limits of operation of current imbalance relays .168 H.5.6 Limits of operation of over-voltage relays 168 H.5.7 Limits of operation of under-power relays .169 H.6 Tests 169 H.6.1 Limits of operation of ground/earth fault rel
38、ays type CI and CII (-A and B) .169 H.6.2 Verication of inhibit function of ground/earth fault relays type CII (A and B) . . . .169 H.6.3 Current imbalance relays 170 H.6.4 Voltage imbalance relays 170 H.6.5 Phase reversal relays .170 H.6.6 Over-voltage relays .170 H.6.7 Under-power relays .170 H.7
39、Routine and sampling tests 170 APRIL 4, 2014 CAN/CSA-C22.2 NO. 60947-4-1-14 UL 60947-4-1 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Annex I (informative) AC1 contactors for use with semiconductor controlled motor loads Annex J Void Ann
40、ex K (normative) Procedure to determine data for electromechanical contactors used in functional safety applications K.1 General 174 K.1.1 Introduction 174 K.1.2 Scope and object .174 K.1.3 General requirements .174 K.2 Terms, denitions and symbols .174 K.2.1 Terms and denitions .175 K.2.2 Symbols .
41、176 K.3 Method based on durability test results 176 K.3.1 General method 176 K.3.2 Test requirements 176 K.3.3 Characterization of a failure mode 177 K.3.4 Weibull modelling .177 K.3.5 Useful life and upper limit of failure rate .179 K.3.6 Reliability data .181 K.4 Method based on experience of retu
42、rns from the eld .181 K.5 Data to be provided .181 K.6 Example .182 K.6.1 Test results 182 K.6.2 Weibull distribution and median rank regression 183 K.6.3 Useful life and failure rate .184 Annex DVA (normative) Reference Standards Annex DVB (informative) Standards for Components Annex DVC (normative
43、) Combination Controllers, Combination Motor Controllers and Manual Motor Controllers DVC.1 Scope .190 DVC.2 Denitions 190 DVC.3 Markings .191 DVC.4 Constructional and performance requirements 195 DVC.5 Tests 199 Annex DVD (normative) Clearance and creepage distances for low voltage contactors and s
44、tarters DVD.2 Spacings within an enclosure .213 Bibliography APRIL 4, 2014 CAN/CSA-C22.2 NO. 60947-4-1-14 UL 60947-4-1 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Preface This is the harmonized CSA Group and UL standard for Low-Voltage
45、Switchgear and Controlgear Part 4-1: Contactors and Motor-Starters Electromechanical Contactors and Motor-Starters. It is the second edition of CAN/CSA C22.2 No. 60947-4-1, and the third edition of UL 60947-4-1. This edition of CAN/CSA-C22.2 No. 60947-4-1 supersedes the previous edition published on
46、 January 26, 2007 as CAN/CSA-C22.2 No. 60947-4-1 (adopted IEC 60947-4-1:2000). This edition of UL 60947-4-1 supersedes the previous edition of UL 60947-4-1A published on January 26, 2007. This harmonized standard is based on IEC Publication 60947-4-1: Edition 3.0, Low-voltage Switchgear and Controlg
47、ear Part 4-1: Contactors and Motor-Starters Electromechanical Contactors and Motor-Starters, issued 2009. IEC publication 60947-4-1 is copyrighted by the IEC. This harmonized standard was prepared by CSA Group and Underwriters Laboratories Inc. (UL). The efforts and support of the Technical Harmoniz
48、ation Committee for Industrial Control Equipment, of the Council on the Harmonization of Electrotechnical Standards of the Nations of the Americas (CANENA), are gratefully acknowledged. This standard is considered suitable for use for conformity assessment within the stated scope of the standard. Th
49、is standard was reviewed by the CSA Integrated Committee on Industrial Control, under the jurisdiction of the CSA Technical Committee on Industrial Products and the CSA Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the CSA Technical Committee. This standard has been approved as a National Standard of Canada by the Standards Council of Canada. This standard has been approved by t
