ANSI UL 60947-4-1A-2007 UL Standard for Safety Low-Voltage Switchgear and Controlgear - Part 4-1 Contactors and Motor-Starters - Electromechanical Contactors and Motor-Starters (Se.pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 60947-4-1ALow-Voltage Switchgear andControlgear Part 4-1:Contactors and motor-starters Electromechanical contactorsand motor-startersUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUC
2、TION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL Standard for Safety for Low-Voltage Switchgear and Controlgear Part 4-1: Contactors andmotor-starters Electromechanical contactors and motor-start
3、ers, UL 60947-4-1ASecond edition, Dated January 26, 2007Summary of TopicsThe revisions dated April 29, 2011 were issued to incorporate the following changes:1. Harmonization of IEC utilization categories with the UL ratings for control of externalloads.2. Deletion of Table 5.5DV.1 and associated ref
4、erences to standard VA ratings based onsize of contactor.3. Deletion of Clause 6.2DV.3.3 requiring marking for separately provided, poly-phaseoverload relays.4. Reduction of the number of marking locations in Table 6.2DV.1 to three.5. Modification of Clause 6.2DV.3.5 marking requirements for overloa
5、d relays withremovable current elements.6. Deletion of Clause 8.1DV.2.1 requiring a stop on an instantaneous trip circuit breaker.7. Deletion of Clause 8.1.5.1DV and all subclauses requiring handle position marking.8. Deletion of Clause 8.2.5DV.1.2 allowing testing of contactor to be waived when tes
6、tedas a starter.9. Deletion of Clause 8.2.5DV.1.4 requiring testing of self-protected manual combinationmotor controller with a separate remote controlled motor controller.10. Deletion of Clause 9.1.5DV.1 as this testing is optional.11. Deletion of Clause 9.3.3.2.2DV.1 requiring calibration testing
7、of devices with overloadrelay to be tested with largest wire that will fit into terminal.12. Deletion of Clause 9.3.3.2.2DV.2 addressing the sizing of wire for calibration testing.13. Deletion of Clause 9.3.3.2.2DV.3 relating sizing of wire for calibration testing to tripmarking on relay.14. Deletio
8、n of Clause 9.3.3.2.2DV.4 regarding selection of samples for calibration testing.15. Revision of Table 8.2.2DV.1 to reference K (Kelvin) instead of C (Celsius) fortemperature rises.16. Revision of Clause 9.3.4.2.3DV.4.1 part (d) to eliminate need for reconducting shortcircuit testing on overload rel
9、ays where there has been current element burnout.17. Clarification of marking for reduced voltage autotransformer controllers.APRIL 29, 2011 UL 60947-4-1A tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 60947-4-1A is an adoption of IEC 6
10、0947-4-1, Second Edition, issued by the IEC in 2000, asrevised by the corrigendum (July 2001). Please note that the National Difference documentincorporates all of the U.S. national differences for UL 60947-4-1A. These revisions involve therevision and deletion of national differences as noted above
11、.Text that has been changed in any manner or impacted by ULs electronic publishing system is markedwith a vertical line in the margin.The revised requirements are substantially in accordance with Proposal(s) on this subject dated May 16,2008, February 27, 2009 and September 3, 2010.All rights reserv
12、ed. No part of this publication may be reproduced, stored in a retrieval system, ortransmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwisewithout prior permission of UL.UL provides this Standard as is without warranty of any kind, either expressed or implie
13、d, including butnot limited to, the implied warranties of merchantability or fitness for any purpose.In no event will UL be liable for any special, incidental, consequential, indirect or similar damages,including loss of profits, lost savings, loss of data, or any other damages arising out of the us
14、e of or theinability to use this Standard, even if UL or an authorized UL representative has been advised of thepossibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid forthis Standard, regardless of the form of the claim.Users of the electronic versions
15、 of ULs Standards for Safety agree to defend, indemnify, and hold ULharmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonableattorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronicStandard on the purchas
16、ers computer system.The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, figures,and/or other elements of the Standard having future effective dates as indicated in the preface. The priortext for requirements that have been revised and that have a futur
17、e effective date are located after theStandard, and are preceded by a SUPERSEDED REQUIREMENTS notice.APRIL 29, 2011 UL 60947-4-1Atr2UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAssociation of Standardization and CertificationNMX-J-290-ANCES
18、econd EditionCanadian Standards AssociationCAN/CSA C22.2 No. 60947-4-1-07First Edition (IEC 60947-4-1:2000, MOD)Underwriters Laboratories Inc.UL 60947-4-1ASecond EditionLow-Voltage Switchgear and Controlgear Part 4-1: Contactors andmotor-starters Electromechanical contactors and motor-startersJanuar
19、y 26, 2007(Title Page Reprinted: April 29, 2011)ANSI/UL 60947-4-1-2011UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCommitment for AmendmentsThis standard is issued jointly by the Association of Standardization and Certification (ANCE), theC
20、anadian Standards Association (CSA), and Underwriters Laboratories Inc. (UL). Comments orproposals for revisions on any part of the standard may be submitted to ANCE, CSA, or UL at any time.Revisions to this standard will be made only after processing according to the standards developmentprocedures
21、 of ANCE, CSA, and UL. CSA and UL will issue revisions to this standard by means of anew edition or revised or additional pages bearing their date of issue. ANCE will incorporate the samerevisions into a new edition of the standard bearing the same date of issue as the CSA and UL pages.Copyright 201
22、1 ANCERights reserved in favor of ANCE.ISBN 1-55397-669-X 2007 Canadian Standards AssociationAll rights reserved. No part of this publication may be reproduced in any form whatsoever without theprior permission of the publisher.CSA Standards are subject to periodic review, and suggestions for their
23、improvement will be referredto the appropriate committee. To submit a proposal for change to CSA Standards, please send thefollowing information to inquirescsa.ca and include Proposal for change in the subject line:Standard designation (number); relevant clause, table, and/or figure number; wording
24、of the proposedchange; and rationale for the change.To purchase CSA Standards and related publications, visit CSAs Online Store at www.ShopCSA.ca orcall toll-free 1-800-463-6727 or 416-747-4044.Copyright 2011 Underwriters Laboratories Inc.ULs Standards for Safety are copyrighted by UL. Neither a pri
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