BRITISH STANDARD BS EN 60127 4 2005 +A1 2009 Miniature fuses Part 4 Universal modular fuse links (UMF) — Through hole and surface mount types ICS 29 120 50 BS EN 60127 4 2005 +A2 2013 BS EN 60127 4 20[.]
BRITISH STANDARD Miniature fuses Part 4: Universal modular fuse-links (UMF) — Through-hole and surface mount types ICS 29.120.50 BS EN EN 60127-4:2005 60127-4:2005 +A2:2013 +A1:2009 BS EN 60127-4:2005+A2:2013 National foreword This British Standard is the UK implementation of EN 60127-4:2005+A2:2013 It is identical to IEC 60127-4:2005, incorporating amendments 1:2008 and 2:2012 It supersedes BS EN 60127-4:2005+A1:2009, which will be withdrawn on 11 January 2016 The start and finish of text introduced or altered by amendment is indicated in the text by tags Tags indicating changes to IEC text carry the number of the IEC amendment For example, text altered by IEC amendment is indicated by The UK participation in its preparation was entrusted to Technical Committee PEL/32, Fuses A list of organizations represented on this committee can be obtained on request to its secretary The publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 14 November 2005 © The British Standards Institution 2013 Published by BSI Standards Limited 2013 ISBN 978 580 78201 Amendments/corrigenda issued since publication Date Comments 30 April 2009 Implementation of IEC amendment 1:2008 with CENELEC endorsement A1:2009 31 July 2013 Implementation of IEC amendment 2:2012 with CENELEC endorsement A2:2013 Annex ZA updated 60127-4:2005+A2 EN 60127-4:2005+A1 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM February June 20132009 ICS 29.120.50 Supersedes EN 60127-4:1996 + A1:2002 + A2:2003 English version Miniature fuses Part 4: Universal modular fuse-links (UMF) – Through-hole and surface mount types (IEC 60127-4:2005) Coupe-circuit miniatures Partie 4: Eléments de remplacement modulaires universels (UMF) – Types de montage en surface et montage par trous (CEI 60127-4:2005) Geräteschutzsicherungen Teil 4: Welteinheitliche modulare Sicherungseinsätze (UMF) – Bauarten für Steck- und Oberflächenmontage (IEC 60127-4:2005) This European Standard was approved by CENELEC on 2005-03-01 CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member This European Standard exists in three official versions (English, French, German) A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels © 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members Ref No EN 60127-4:2005 E BS EN 60127-4:2005+A2:2013 BS60127-4:2005+A2:2013 EN 60127-4:2005+A1:2009 EN -2–2– Foreword The text of document 32C/362/FDIS, future edition of IEC 60127-4, prepared by SC 32C, Miniature fuses, of IEC TC 32, Fuses, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60127-4 on 2005-03-01 This European Standard supersedes EN 60127-4:1996 + A1:2002 + A2:2003 The major technical changes with regard to the previous edition are as follows: introduction of physically smaller devices with lower rated voltages Fuse-link temperature test (9.7) is modified The clauses of this standard supplement, modify or replace the corresponding clauses in EN 60127-1 Where there is no corresponding clause or subclause in this standard, the clause or subclause of EN 60127-1 applies without modification as far as is reasonable When this standard states “addition”, “modification” or “remplacement”, the relevant text in EN 60127-1 is to be adapted accordingly The following dates were fixed: – latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2005-12-01 – latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2008-03-01 Annex ZA has been added by CENELEC Endorsement notice The text of the International Standard IEC 60127-4:2005 was approved by CENELEC as a European Standard without any modification In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60115-1 NOTE Harmonized as EN 60115-1:2001 (modified) IEC 61191-2 NOTE Harmonized as EN 61191-2:1998 (not modified) ISO 9453 NOTE Harmonized as EN 29453:1993 (not modified) Foreword to amendment A1 The text of document 32C/411/FDIS, future amendment to IEC 60127-4:2005, prepared by SC 32C, Miniature fuses, of IEC TC 32, Fuses, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 60127-4:2005 on 2009-02-01 The following dates were fixed: – latest date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement – latest date by which the national standards conflicting with the amendment have to be withdrawn (dop) 2009-11-01 (dow) 2012-02-01 Endorsement notice The text of amendment 1:2008 to the International Standard IEC 60127-4:2005 was approved by CENELEC as an amendment to the European Standard without any modification In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 61190-1-2 NOTE Harmonized as EN 61190-1-2:2007 (not modified) -3-2- EN 60127-4:2005/A2:2013 BS EN 60127-4:2005+A2:2013 EN 60127-4:2005+A2:2013 ForewordForeword to amendment A2 The text of document 32C/456/CDV, future amendment to edition of IEC 60127-4, prepared by SC 32C "Miniature fuses" of IEC/TC 32 "Fuses" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60127-4:2005/A2:2013 The following dates are fixed: • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2013-12-21 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-01-11 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC) Endorsement notice The text of the International Standard IEC 60127-4:2005/A2:2012 was approved by CENELEC as a European Standard without any modification BS EN 60127-4:2005+A2:2013 EN 60127-4:2005+A2:2013 BS EN 60127-4:2005+A1:2009 -4–3– CONTENTS INTRODUCTION Scope and object Normative references .5 Terms and definitions .6 General requirements .6 Standard ratings .6 Marking General notes on tests 8 Dimensions and construction 9 12 Electrical requirements 11 24 10 Standard sheets 23 28 Annex A (informative) Mounting for surface mount fuse-links 27 30 Bibliography .29 Annex ZA (normative) Normative references to international publications with 31 their correspondending European publications 30 Figure – Unique identifying symbol for UMFs 18 19 19 Figure – Test board for through-hole fuse-links 18 20 Figure − Test board for surface mount fuse-links 19 21 Figure – Test fuse base 20 22 Figure – Bending jig for surface mount fuse-links .21 23 Figure – Test circuits for breaking capacity tests 22 Table – Maximum values of voltage drop and sustained dissipation 14 15 16 Table − Testing schedule for individual ampere ratings 15 Table – Testing schedule for maximum ampere rating of a homogeneous series .16 17 Table – Testing schedule for minimum ampere rating of a homogeneous series 17 18 BS EN 60127-4:2005+A1:2009 -5–4– BS EN 60127-4:2005+A2:2013 EN 60127-4:2005+A2:2013 INTRODUCTION The trend towards miniaturization of electronic equipment has caused users to require fuselinks of small dimensions, and of appropriate design for application to printed circuit boards or other substrate systems, possibly by automatic means These fuse-links should be designed to incorporate a degree of non-interchangeability Rated voltages of 12,5 V, 25 V, 32 V, 50 V, 63 V, 125 V, and 250 V are specified together with the following characteristics: very quick acting (FF), quick acting (F), time-lag (T) and long time-lag (TT) Because of the increasing importance of limitation of transient overvoltages in new technology, recommendations are included for limits to the overvoltages produced by these fuses under specified test conditions related to typical circuit configurations The option is given to specify the breaking capacity with alternating current or direct current; it is considered that fuses that meet the d.c requirement will meet the a.c requirement; however, testing is required to validate this Fuses may be dual rated, in which case the manufacturer's literature should be referred to TheText users of miniature fuses express the wish that all standards, recommendations and other deleted 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 publication number and subdivision into parts would facilitate the establishment of new standards, because clauses and subclauses containing general requirements need not be repeated Maximum sustained dissipation Endurance test Time/current characteristics Rated breaking capacity Insulation resistance Fuse-link terminations Soldered joints Legibility and indelibility of marking 9.5 9.4 9.2.1 9.3 9.3.3 8.3 8.5 6.2 Resistance to soldering heat 8.7 d.c a.c 1,25 I N IN 10 I N X 1-6 X X 10 11 12 X X X X X X 13-18 19 20 21 X X 22-26 X X 27-31 32-41 X X X 42 43 44 a This subclause is to be found in IEC 60127-1 X X X 48 49 50 51 52 53 - 17 - Samples 13 to 53 (48) are soldered to the test board and sorted in descending order of voltage drop 45 46 47 – 16 – A total of 53 fuse-links (48 for a.c use only, omit d.c breaking capacity samples) of which 19 are kept as spares Samples to 12 are chosen at random Solderability 8.6 a Temperature rise Description 9.7 Subclause Fuse-link numbers Table – Testing schedule for maximum ampere rating of a homogeneous series BS EN 60127-4:2005+A1:2009 BS EN 60127-4:2005+A2:2013 EN 60127-4:2005+A2:2013 BS EN 60127-4:2005+A2:2013 EN 60127-4:2005+A2:2013 BS EN 60127-4:2005+A1:2009 - 18 − 17 − Table – Testing schedule for minimum ampere rating of a homogeneous series Fuse-link numbers in decreasing value of voltage drop Subclause Description 1-6 9.4 Endurance test 9.2.1 Time/current characteristics 10 I N Rated breaking capacity a.c 9.3 10 11 12 13-17 18-22 23-32 33 34 35 36 37 38 X X X IN d.c (if applicable) X X A total of 38 fuse-links (33 for a.c use only, omit d.c breaking capacity samples) of which 16 are kept as spares The samples are soldered to the test board and sorted in descending order of voltage drop