IEC 60127-3-2015 Miniature fuses - Part 3 Sub-miniature fuse-links《微型熔断器 第3部分 超微型熔断体》.pdf

1、 IEC 60127-3 Edition 3.0 2015-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Miniature fuses Part 3: Sub-miniature fuse-links Coupe-circuit miniatures Partie 3: lments de remplacement subminiatures IEC 60127-3:2015-01(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC, Geneva, Switzer

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19、 avez des questions contactez-nous: csciec.ch. IEC 60127-3 Edition 3.0 2015-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Miniature fuses Part 3: Sub-miniature fuse-links Coupe-circuit miniatures Partie 3: lments de remplacement subminiatures INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELE

20、CTROTECHNIQUE INTERNATIONALE ICS 29.120.50 ISBN 978-2-8322-1995-9 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! Veuil

21、lez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 60127-3:2015 IEC 2015 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope 6 2 Normative references 6 3 Terms and definitions 6 4 General requirements 6 5 Standard ratings 7 6 Marking . 7 7 General notes on tests 7 8 Di

22、mensions and construction . 9 9 Electrical requirements 10 10 Standard sheets 18 Figure 1 Standard test board (see 7.3) . 8 Figure 2 Standard test base for test board (see 7.3) 9 Figure 3 Typical circuit for breaking capacity tests for low breaking capacity sub- miniature fuse-links (see 9.3) 11 Tab

23、le 1 Testing schedule for individual ampere ratings, standard sheet 1 and 2 13 Table 2 Testing schedule for individual ampere ratings, standard sheet 3 and 4 14 Table 3 Testing schedule for maximum ampere rating of a homogeneous series, standard sheet 1 and 2 . 15 Table 4 Testing schedule for maximu

24、m ampere rating of a homogeneous series, standard sheet 3 and 4 . 16 Table 5 Testing schedule for minimum ampere rating of a homogeneous series, standard sheet 1 to 4 17 IEC 60127-3:2015 IEC 2015 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MINIATURE FUSES Part 3: Sub-miniature fuse-links FOREWORD

25、1) The International Electrotechnical 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 electric

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28、ation for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical c

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31、nd regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services

32、and, in some areas, access to IEC 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

33、or agents including individual experts 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, u

34、se of, or reliance upon, this IEC 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

35、 some of the elements of this IEC 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 60127-3 has been prepared by subcommittee 32C: Miniature fuses, of IEC technical committee 32: Fuses. This th

36、ird edition of IEC 60127-3 cancels and replaces the second edition published in 1988, its Amendment 1 (1991) and Amendment 2 (2002). This edition includes the following significant technical changes with respect to the previous edition: a) add a rectangular shape fuse-link as alternative in standard

37、 sheets 3 and 4; b) add a small cartridge fuse-link as alternative in standard sheets 2, 3 and 4; c) add the rated currents up to 10A in standard sheets 2, 3 and 4; d) add Subclause 6.5; e) add Subclause 9.7; 4 IEC 60127-3:2015 IEC 2015 f) the extra samples for termination test (E1 to E6) will be ch

38、osen by random and not sorted by voltage drop in Table 1, 2, 3, and 4. The text of this standard is based on the following documents: FDIS Report on voting 32C/501/FDIS 32C/506/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the

39、above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. This International Standard is to be used in conjunction with IEC 60127-1:2006, Miniature fuses Part 1: Definitions for miniature fuses and general requirements for miniature fuse- links and its Amendme

40、nt 1 (2011). 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 clause or subclause of IEC 60127-1 applies without modification as far as is reasonable. When this standard stat

41、es “addition” or “replacement”, the relevant text in IEC 60127-1 is to be adapted accordingly. A list of all parts in the IEC 60127 series, published under the general title Miniature fuses, can be found on the IEC website. The committee has decided that the contents of this publication will remain

42、unchanged 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. IEC 60127-3:2015 IEC 2015 5 INTRODUCTION According

43、to 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 singl

44、e publication 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, Mi

45、niature 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) Thro

46、ugh-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,

47、(Free 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. 6 IEC 60127

48、-3:2015 IEC 2015 MINIATURE FUSES Part 3: Sub-miniature fuse-links 1 Scope This part of IEC 60127 is applicable to sub-miniature fuse-links adapted to printed circuits and used for the protection of electric appliances, electronic equipment and component parts thereof, normally intended to be used in

49、doors. It does not apply to sub-miniature fuse-links for appliances intended to be used under special conditions, such as in a corrosive or explosive atmosphere. This standard applies in addition to the requirements of IEC 60127-1. The object of this standard is to define special and additional test methods for sub-miniature fuse-links applying in addition to the requirements of IEC 60127-1. 2 Normative r