ANSI UL 60691-2016 UL Standard for Safety Thermal-Links C Requirements and Application Guide (Fourth Edition).pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 60691 Thermal-Links Requirements and Application Guide STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIG

2、HTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Thermal-Links Requirements and Application Guide, UL 60691 Fourth Edition, Dated June 30, 2016 Summary of Topics Adoption of IEC 60691, Thermal-Links Requirements and Applicati

3、on Guide (fourth edition, issued by IEC October 2015) to reect the IEC 60691 new edition into IEC-based UL 60691. The new and/or revised requirements are substantially in accordance with Proposal(s) on this subject dated March 4, 2016. All rights reserved. No part of this publication may be reproduc

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9、 Association EIA 60691 Fourth Edition Underwriters Laboratories Inc. UL 60691 Fourth Edition Standard for Thermal-Links Requirements and Application Guide JUNE 30, 2016 ANSI/UL 60691-2016UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Commit

10、ment for Amendments This standard is issued jointly by the Electronic Components Industry Association (ECIA) and Underwriters Laboratories Inc. (UL). Comments or proposals for revisions on any part of the standard may be submitted to UL at anytime. Revisions to this standard will be made only after

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13、d exclusive property of UL. This ANSI/UL Standard for Safety consists of the Fourth Edition. The most recent designation of ANSI/UL 60691 as an American National Standard (ANSI) occurred on June 30, 2016. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page (fr

14、ont 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 the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in UL

15、s On-Line Collaborative Standards Development System (CSDS) at http:/. To purchase 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 (UL) 5 NATIONAL DI

16、FFERENCES .6 FOREWORD 7 INTRODUCTION .9 1 Scope 10 2 Normative references .10 3 Terms and denitions 12 4 General requirements 13 5 General notes on tests .14 6 Classication 16 6.1 Electrical conditions 16 6.2 Thermal conditions 16 6.3 Resistance to tracking .17 7 Marking .17 8 Documentation 17 9 Con

17、structional requirements .18 9.1 General 18 9.2 Lead secureness tests .19 9.3 Contacts used for the current path .22 9.4 Accessible mounting brackets or metal parts 22 9.5 Insulating materials 22 9.6 Resistance to tracking .22 9.7 CREEPAGE DISTANCES and CLEARANCES 23 9.8 Temperature and humidity cyc

18、le conditioning .24 9.9 Terminals and terminations .24 10 Electrical requirements 24 10.1 Dielectric strength 24 10.2 Insulation resistance 25 10.3 INTERRUPTING CURRENT .26 10.5 Limited short-circuit test .28 11 Temperature tests 30 11.1 General .30 11.2 HOLDING TEMPERATURE, T h 31 11.3 RATED FUNCTI

19、ONING TEMPERATURE, T f 31 11.4 MAXIMUM TEMPERATURE LIMIT, T m .32 11.5 Ageing 32 12 Resistance to rusting 33 13 Manufacturers validation programme .33 JUNE 30, 2016 EIA 60691 UL 60691 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Annex A

20、(normative) Application guide Annex B (normative) Alternative ageing test for THERMAL-LINKS with T h greater than 250C for use in electric irons Annex C (normative) CONDUCTIVE HEAT AGEING TEST C.1 CONDUCTIVE HEAT AGEING TEST 36 C.2 Method 36 C.3 Ageing .37 C.4 Results 38 C.5 Dielectric strength test

21、 .38 C.6 Test oven 40 Annex D (informative) EXTENDED HOLDING TEMPERATURE evaluation D.1 EXTENDED HOLDING TEMPERATURE conditioning test .42 D.2 Load current interrupt test .42 Annex E (normative) Seal ageing test Annex F (normative) Identication requirements Annex G (normative) Indelibility of markin

22、gs Annex H (normative) Requirements for THERMAL-LINK packaged assemblies H.3 Terms and denitions 48 H.4 General requirements 48 H.5 General notes on tests .48 H.9 Constructional requirements .48 Bibliography JUNE 30, 2016 EIA 60691 UL 60691 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODU

23、CTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Preface (UL) This UL Standard is based on IEC Publication 60691: fourth edition Thermal-links Requirements and application guide. IEC Publication 60691 is copyrighted by the IEC. Efforts have been made to synchronize the UL edition number with that of

24、 the corresponding IEC standard with which this standard is harmonized. As a result, one or more UL edition numbers have been skipped to match that of the IEC edition number. The text, gures and tables of IEC Publication Thermal-links Requirements and application guide, 60691, copyright 2015, are us

25、ed in this Standard with the consent of the IEC and the American National Standards Institute (ANSI). The IEC copyrighted material has been reproduced with permission from ANSI. ANSI should be contacted regarding the reproduction of any portion of the IEC material. The IEC Foreword and Introduction

26、are not a part of the requirements of this Standard but are included for information purposes only. Copies of IEC 60691 may be purchased from ANSI, 11 West 42 nd Street, New York, New York, 10036, (212) 642-4900. Note Although the intended primary application of this Standard is stated in its Scope,

27、 it is important to note that it remains the responsibility of the users of the Standard to judge its suitability for their particular purpose. JUNE 30, 2016 EIA 60691 UL 60691 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL NATIONAL DIFFER

28、ENCES GENERAL National Differences from the text of International Electrotechnical Commission (IEC) Publication 60691, Thermal-links Requirements and application guide copyright 2015 are indicated by notations (differences) and are presented in bold text. There are ve types of National Differences a

29、s noted below. The difference type is noted on the rst line of the National Difference in the standard. The standard may not include all types of these National Differences. DR These are National Differences based on the national regulatory requirements. D1 These are National Differences which are b

30、ased on basic safety principles and requirements, elimination of which would compromise safety for consumers and users of products. D2 These are national differences from IEC requirements based on existing safety practices. These requirements reect national safety practices, where empirical substant

31、iation (for the IEC or national requirement) is not available or the text has not been included in the IEC standard. DC These are National Differences based on the component standards and will not be deleted until a particular component standard is harmonized with the IEC component standard. DE Thes

32、e are National Differences based on editorial comments or corrections. Each national difference contains a description of what the national difference entails. Typically one of the following words is used to explain how the text of the national difference is to be applied to the base IEC text: Addit

33、ion / Add - An addition entails adding a complete new numbered clause, subclause, table, gure, or annex. Addition is not meant to include adding select words to the base IEC text. Modication / Modify - A modication is an altering of the existing base IEC text such as the addition, replacement or del

34、etion of certain words or the replacement of an entire clause, subclause, table, gure, or annex of the base IEC text. Deletion / Delete - A deletion entails complete deletion of an entire numbered clause, subclause, table, gure, or annex without any replacement text. JUNE 30, 2016 EIA 60691 UL 60691

35、 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTERNATIONAL ELECTROTECHNICAL COMMISSION THERMAL-LINKS REQUIREMENTS AND APPLICATION GUIDE FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for stan

36、dardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic elds. To this end and in addition to other activities, IEC publishes Inte

37、rnational Standards, Technical Specications, Technical Reports, Publicly Available Specications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in

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45、Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held r

46、esponsible for identifying any or all such patent rights. International Standard IEC 60691 has been prepared by subcommittee 32C: Miniature fuses, of IEC technical committee 32: Fuses. This fourth edition cancels and replaces the third edition published in 2002, Amendment 1: 2006 and Amendment 2: 20

47、10. This fourth edition constitutes a technical revision. This fourth edition includes the following signicant technical changes with respect to the previous edition: JUNE 30, 2016 EIA 60691 UL 60691 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION

48、FROM UL a) requirements for thermal-link packaged assemblies; b) renew the requirements and denitions for T h -test; c) change starting temperature for interrupt current test; d) clarify requirements for marking (packing label); e) minimum Proof Tracking Index 175 instead 120. The text of this stand

49、ard is based on the following documents: FDIS Report on voting 32C/512/FDIS 32C/515/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The basis for this standard is the harmonization of the USA national standard, UL 1020, fth edition (withdrawn 2003), and IEC 60691: 1993,