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    UL 60947-7-4-2018 UL Standard for Safety Low-Voltage Switchgear and Controlgear C Part 7-4 Ancillary equipment C PCB terminal blocks for copper conductors (First Edition).pdf

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    UL 60947-7-4-2018 UL Standard for Safety Low-Voltage Switchgear and Controlgear C Part 7-4 Ancillary equipment C PCB terminal blocks for copper conductors (First Edition).pdf

    1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 60947-7-4 Low-Voltage Switchgear and Controlgear Part 7-4: Ancillary equipment PCB terminal blocks for copper conductors STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER

    2、 REPRODUCTION 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 7-4: Ancillary equipment PCB terminal blocks for copper conductors

    3、, UL 60947-7-4 First Edition, Dated April 27, 2018 Summary of Topics This First Edition of ANSI/UL 60947-7-4 species requirements for PCB terminal blocks primarily intended for industrial or similar use. As noted in the Commitment for Amendments statement located on the back side of the title page,

    4、UL, CSA, and ANCE are committed to updating this harmonized standard jointly. The new requirements are substantially in accordance with Proposal(s) on this subject dated May 19, 2017 and December 22, 2017. All rights reserved. No part of this publication may be reproduced, stored in a retrieval syst

    5、em, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise 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

    6、 or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL

    7、representative has been advised of the possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL ha

    8、rmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. APRIL 27, 2018 UL 60947-7-4 tr1UL COPYRIGHTED M

    9、ATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APRIL 27, 2018 UL 60947-7-4 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Association of Standardization and Certication NMX

    10、-J-538/7-4-ANCE First Edition CSA Group CAN/CSA-C22.2 No. 60947-7-4:18 First Edition (IEC 60947-7-4:2013, MOD) Underwriters Laboratories Inc. UL 60947-7-4 First Edition Low-Voltage Switchgear and Controlgear Part 7-4: Ancillary equipment PCB terminal blocks for copper conductors April 27, 2018 This

    11、national standard is based on publication IEC 60947-7-4, rst edition (2013). ANSI/UL 60947-7-4-2018UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Commitment for Amendments This standard is issued jointly by the Association of Standardizatio

    12、n and Certication (ANCE), the Canadian Standards Association (operating as “CSA Group”), and Underwriters Laboratories Inc. (UL). Comments or proposals for revisions on any part of the standard may be submitted to ANCE, CSA Group, or UL at anytime. Revisions to this standard will be made only after

    13、processing according to the standards development procedures of ANCE, CSA Group, and UL. CSA Group and UL will issue revisions to this standard by means of a new edition or revised or additional pages bearing their date of issue. ANCE will incorporate the same revisions into a new edition of the sta

    14、ndard bearing the same date of issue as the CSA Group and UL pages. Copyright 2018 Rights reserved in favor of ANCE. ISBN 978-1-4883-0891-8 2018 Canadian Standards Association All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of th

    15、e publisher. This Standard is subject to review within ve years from the date of publication, and suggestions for its improvement will be referred to the appropriate committee. The technical content of IEC and ISO publications is kept under constant review by IEC and ISO. To submit a proposal for ch

    16、ange, please send the following information to inquirescsagroup.org and include Proposal for change in the subject line: Standard designation (number); relevant clause, table, and/or gure number; wording of the proposed change; and rationale for the change. To purchase CSA Group Standards and relate

    17、d publications, visit CSA Groups Online Store at shop.csa.ca or call toll-free 1-800-463-6727 or 416-747-4044. Copyright 2018 Underwriters Laboratories Inc. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs St

    18、andards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. This ANSI/UL Standard for Safety consists of the First Edition. The most recent designation of ANSI/UL 60947-7-4 as an American National Standard (ANSI) occurred on April

    19、27, 2018. 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 are also excluded from the ANSI approval of IEC-based standards. Comments or proposals for revisions on any part of th

    20、e 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 https:/. To purchase UL Standards, visit ULs Standards Sales Site at http:/ HowToOrder.aspx or call toll-free 1-888-853-3503.UL COPY

    21、RIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS PREFACE 5 NATIONAL DIFFERENCES . 8 FOREWORD 9 INTRODUCTION . 11 1 General .12 1.1 Scope 12 1.2 Normative references 13 2 Terms and denitions 14 3 Classication 16 4 Characteristics .17 4.1 Sum

    22、mary of characteristics .17 4.2 Type of PCB terminal block .17 4.3 Rated and limiting values .17 5 Product information 20 5.1 Marking 20 5.2 Additional information 20 6 Normal service, mounting and transport conditions .21 7 Constructional and performance requirements .22 7.1 Constructional requirem

    23、ents 22 7.1.1DV.2.1 Current-carrying parts and their connections 22 7.1.1DV.2.2 Wiring terminals .23 7.1.5DV.1 Insulation .26 7.2 Performance requirements 27 7.3 Electromagnetic compatibility (EMC) .30 8 Tests .30 8.1 Kinds of test 30 8.2 General 31 8.3 Verication of mechanical characteristics .33 8

    24、.4 Verication of electrical characteristics .34 8.5 Verication of thermal characteristics 47 8.6 Verication of EMC characteristics .48 Annex A (informative) Structure of a PCB terminal block Annex B (informative) Additional Information to be specied between manufacturer and user B.1 Additional infor

    25、mation available on request of the user .51 B.2 Information for testing additional to those mentioned above .51 Annex C (informative) Examples of PCBs and PCB terminal blocks for high current application C.1 Layout of high current PCBs (schematic diagram) .52 C.2 High current PCB terminal blocks 52

    26、APRIL 27, 2018 NMX-J-538/7-4-ANCE CAN/CSA-C22.2 NO. 60947-7-4:18 UL 60947-7-4 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Annex DVA (normative) Aluminum Requirements DVA.1 Scope .54 DVA.2 Characteristics .54 DVA.3 Markings 54 DVA.4 Cons

    27、tructional Requirements 54 DVA.5 Performance Requirements 55 Annex DVB (normative) Normative References Bibliography APRIL 27, 2018 NMX-J-538/7-4-ANCE CAN/CSA-C22.2 NO. 60947-7-4:18 UL 60947-7-4 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM

    28、UL PREFACE This is the harmonized ANCE, CSA Group, and UL standard for Low-Voltage Switchgear and Controlgear - Part 7-4: Ancillary Equipment - PCB Terminal Blocks for Copper Conductors. It is the First edition of NMX-J-538/7-4-ANCE, CAN/CSA-C22.2 No. 60947-7-4, and UL 60947-7-4. This harmonized sta

    29、ndard is based on IEC Publication 60947-7-4: Edition 1 (2013), Low-voltage switchgear and controlgear - Part 7-4: Ancillary equipment - PCB terminal blocks for copper conductors, issued August 2013. IEC 60947-7-4 is copyrighted by the IEC. This harmonized standard was prepared by the Association of

    30、Standardization and Certication (ANCE), CSA Group, and Underwriters Laboratories Inc. (UL). The efforts and support of the Technical Harmonization Subcommittee, THSC 121A WG5, of the Council on the Harmonization of Electrotechnical Standards of the Nations of the Americas (CANENA), are gratefully ac

    31、knowledged. This standard is considered suitable for use for conformity assessment within the stated scope of the standard. The Mexican Standard was developed by the CT PIE-A from the Comite de Normalizacion de la Asociacion de Normalizacion y Certicacion, A.C., CONANCE, with the collaboration of th

    32、e manufacturers and users. This standard was reviewed by the CSA Subcommittee on Terminal Assemblies, 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

    33、 Technical Committee. This standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group. This standard has been approved by the American National Standards Institute (ANSI

    34、) as an American National Standard. Application of Standard Where reference is made to a specic number of samples to be tested, the specied number is to be considered a minimum quantity. Note: Although the intended primary application of this standard is stated in its scope, it is important to note

    35、that it remains the responsibility of the users of the standard to judge its suitability for their particular purpose. This is the NMX-J-538/7-4-ANCE standard for Low-Voltage Switchgear and Controlgear - Part 7-4: Ancillary Equipment - PCB Terminal Blocks for Copper Conductors. This NMX-J-538/7-4-AN

    36、CE Part 4 is to be used in conjunction with the rst edition of NMX-J-538/7-1-ANCE. The requirements for Ancillary Equipment - PCB Terminal Blocks for Copper Conductors are contained in this Part 4 Standard and NMX-J-538/7-1-ANCE. Requirements of this Part 4 Standard, where stated, amend the requirem

    37、ents of NMX-J-538/7-1-ANCE. Where a particular subclause of NMX-J-538/7-1-ANCE is not mentioned in NMX-J-538/7-4-ANCE, the NMX-J-538/7-1-ANCE subclause applies. This is the CAN/CSA-C22.2 No. 60947-7-4 Standard for Low-Voltage Switchgear and Controlgear Part 7-4: Ancillary Equipment PCB Terminal Bloc

    38、ks for Copper Conductors. This CSA Group Part 4 is to be used in conjunction with the rst edition of CAN/CSA-C22.2 No. 60947-7-1. The requirements for Ancillary Equipment PCB Terminal Blocks for Copper Conductors are contained in this Part 4 Standard and CAN/CSA-C22.2 No. 60947-7-1. Requirements of

    39、this Part 4 Standard, where stated, amend the APRIL 27, 2018 NMX-J-538/7-4-ANCE CAN/CSA-C22.2 NO. 60947-7-4:18 UL 60947-7-4 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL requirements of CAN/CSA-C22.2 No. 60947-7-1. Where a particular subc

    40、lause of CAN/CSA-C22.2 No. 60947-7-1 is not mentioned in CAN/CSA-C22.2 No. 60947-7-4, the CAN/CSA-C22.2 No. 60947-7-1 subclause applies. This is the UL standard for Low-Voltage Switchgear and Controlgear - Part 7-4: Ancillary Equipment - PCB Terminal Blocks for Copper Conductors. This UL 60947-7-4,

    41、Low-Voltage Switchgear and Controlgear - Part 7-4: Ancillary Equipment - PCB Terminal Blocks for Copper Conductors, is to be used in conjunction with the fourth edition of UL 60947-7-1. The requirements for Ancillary Equipment - PCB Terminal Blocks for Copper Conductors are contained in this Part 4

    42、Standard and UL 60947-7-1. Requirements of this Part 4 Standard, where stated, amend the requirements of UL 60947-7-1. Where a particular subclause of UL 60947-7-1 is not mentioned in UL 60947-7-4, the UL 60947-7-1 subclause applies. Level of Harmonization This standard adopts the IEC text with nati

    43、onal differences. This standard is published as an equivalent standard for ANCE, CSA Group and UL. An equivalent standard is a standard that is substantially the same in technical content, except as follows: Technical national differences are allowed for codes and governmental regulations as well as

    44、 those recognized as being in accordance with NAFTA Article 905, for example, because of fundamental climatic, geographical, technological, or infrastructural factors, scientic justication, or the level of protection that the country considers appropriate. Presentation is word for word except for ed

    45、itorial changes. All national differences from the IEC text are included in the ANCE, CSA Group, and UL versions of the standard. While the technical content is the same in each organizations version, the format and presentation may differ. Reasons for Differences From IEC National Differences from

    46、the IEC are being added in order to address safety and regulatory situations present in the US, Canada, and Mexico. Interpretations The interpretation by the standards development organization of an identical or equivalent standard is based on the literal text to determine compliance with the standa

    47、rd in accordance with the procedural rules of the standards development organization. If more than one interpretation of the literal text has been identied, a revision is to be proposed as soon as possible to each of the standards development organizations to more accurately reect the intent. IEC Co

    48、pyright For ANCE, the text, gures, and tables of International Electrotechnical Commission Publication 60947-7-4, Low-voltage switchgear and controlgear Part 7-4: Ancillary equipment PCB terminal blocks for copper conductors, copyright 2013, are used in this standard according to the guidelines prov

    49、ided in the ISO/IEC/POCOSA. For CSA Group, the text, gures, and tables of International Electrotechnical Commission Publication 60947-7-4, Low-voltage switchgear and controlgear Part 7-4: Ancillary equipment PCB terminal blocks for copper conductors, copyright 2013, are used in this standard with the consent of the International Electrotechnical Commission. The IEC Foreword and Introduction are not a part of the requirements of this standard but are


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