1、 IEC 60127-2 Edition 3.0 2014-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Miniature fuses Part 2: Cartridge fuse-links Coupe-circuit miniatures Partie 2: Cartouches IEC 60127-2:2014-09(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC, Geneva, Switzerland All rights reserved. Unle
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19、nous: csciec.ch. IEC 60127-2 Edition 3.0 2014-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Miniature fuses Part 2: Cartridge fuse-links Coupe-circuit miniatures Partie 2: Cartouches INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE X ICS 29.120.50 PRICE CODE CODE
20、 PRIX ISBN 978-2-8322-1844-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu
21、 cette publication via un distributeur agr. 2 IEC 60127-2:2014 IEC 2014 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope and object . 7 2 Normative references. 7 3 Terms and definitions 7 4 General requirements 7 5 Standard ratings 7 6 Marking . 8 7 General notes on tests . 8 8 Dimensions and construc
22、tion . 14 9 Electrical requirements 16 10 Standard sheets 18 Annex A (normative) Miniature fuse-links with wire terminations 38 A.1 General . 38 A.2 Scope . 38 A.3 General notes on tests 38 A.3.1 Type tests 38 A.3.2 Testing schedule 38 A.3.3 Test bases for tests 39 A.4 Dimensions and construction .
23、41 A.4.1 Dimensions 41 A.4.2 Mechanical tests on terminations 41 A.4.3 Solderability of terminations . 42 A.4.4 Resistance to soldering heat 42 A.5 Electrical requirements 42 A.5.1 Voltage drop 43 A.5.2 Time/current characteristic at normal ambient temperature . 43 A.5.3 Breaking capacity . 43 A.5.4
24、 Fuse-link temperature 43 Bibliography . 44 Figure 1 Test fuse-base for 5 mm 20 mm and 6,3 mm 32 mm fuse-links Rated currents up to and including 6,3 A (see 7.3) . 11 Figure 2 Test fuse-base for 5 mm 20 mm and 6,3 mm 32 mm fuse-links Rated currents exceeding 6,3 A (see 7.3) 12 Figure 3 Test fuse-bas
25、e for breaking capacity tests (see 7.3) 13 Figure 4 Axial pull test apparatus . 15 Figure 5 Alignment gauge (see 8.4) 16 Figure 6 Typical test circuit for breaking-capacity tests for high-breaking capacity fuse-links (see 9.3) . 17 Figure 7 Typical test circuit for breaking-capacity tests for low- a
26、nd enhanced- breaking capacity fuse-links (see 9.3) 17 Figure A.1 Test board 39 IEC 60127-2:2014 IEC 2014 3 Figure A.2 Test base 40 Figure A.3 Dimensions of fuse-link with wire terminations . 41 Table 1 Testing schedule for individual ampere ratings . 9 Table 2 Testing schedule for maximum ampere ra
27、ting of a homogeneous series . 9 Table 3 Testing schedule for minimum ampere rating of a homogeneous series 10 Table A.1 Testing schedule 39 4 IEC 60127-2:2014 IEC 2014 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MINIATURE FUSES Part 2: Cartridge fuse-links FOREWORD 1) The International Electrotechn
28、ical Commission (IEC) is a worldwide organization for standardization 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 fields. To this
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35、 marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual ex
36、perts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC
37、 Publication or any other IEC Publications. 8) Attention is drawn to the 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
38、 Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60127-2 has been prepared by subcommittee 32C: Miniature fuses, of IEC technical committee 32: Fuses. This third edition of IEC 60127-2 cancel
39、s and replaces the second edition published in 2003, amendment 1 (2003) and amendment 2 (2010). This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) add 4 new standard sheets 7 up to 10. This Interna
40、tional Standard is to be used in conjunction with IEC 60127-1:2006. IEC 60127-2:2014 IEC 2014 5 The text of this standard is based on the following documents: FDIS Report on voting 32C/493/FDIS 32C/498/RVD Full information on the voting for the approval of this standard can be found in the report on
41、 voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The clauses of this standard supplement, modify or replace the corresponding clauses in IEC 60127-1. Where there is no corresponding clause or subclause in this standard, the cl
42、ause or subclause of IEC 60127-1 applies without modification as far as is reasonable. When this standard states “addition”, “modification” or “replacement”, the relevant text in IEC 60127-1 is to be adapted accordingly. The committee has decided that the contents of this publication will remain unc
43、hanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 IEC 60127-2:2014 IEC 2014 INTRODUCTION According to
44、the wish expressed by the users of miniature fuses, all standards, recommendations and other documents relating to miniature fuses should have the same publication number in order to facilitate reference to fuses in other specifications, for example, equipment specifications. Furthermore, a single p
45、ublication number and subdivision into parts would facilitate the establishment of new standards, because clauses and subclauses containing general requirements need not be repeated. The new IEC 60127 series is thus subdivided as follows: IEC 60127, Miniature fuses (general title). IEC 60127-1, Mini
46、ature fuses Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links IEC 60127-2, Miniature fuses Part 2: Cartridge fuse-links IEC 60127-3, Miniature fuses Part 3: Sub-miniature fuse-links IEC 60127-4, Miniature fuses Part 4: Universal modular fuse-links (UMF) Throug
47、h-hole and surface mount types IEC 60127-5, Miniature fuses Part 5: Guidelines for quality assessment of miniature fuse- links IEC 60127-6, Miniature fuses Part 6: Fuse-holders for miniature fuse-links IEC 60127-7, Miniature fuses Part 7: Miniature fuse-links for special applications IEC 60127-8, (F
48、ree for further documents) IEC 60127-9, (Free for further documents) IEC 60127-10, Miniature fuses Part 10: User guide for miniature fuses This Part of IEC 60127 covers additional requirements, test equipment and standard sheets. The SI system of units is used throughout this standard. IEC 60127-2:2
49、014 IEC 2014 7 MINIATURE FUSES Part 2: Cartridge fuse-links 1 Scope and object This part of IEC 60127 relates to special requirements applicable to cartridge fuse-links for miniature fuses with dimensions measuring 5 mm 20 mm and 6,3 mm 32 mm for the protection of electric appliances, electronic equipment and component parts thereof, normally intended for use indoors. It does n
