EN 60127-6-2014 en Miniature fuses - Part 6 Fuse-holders for miniature fuse-links.pdf

1、BSI Standards PublicationMiniature fusesPart 6: Fuse-holders for miniature fuse-linksBS EN 60127-6:2014National forewordThis British Standard is the UK implementation of EN 60127-6:2014. It isidentical to IEC 60127-6:2014. It supersedes BS EN 60127-6:1994, which willbe withdrawn on 8 October 2017.Th

2、e UK participation in its preparation was entrusted to TechnicalCommittee PEL/32, Fuses.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for i

3、ts correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 78014 1ICS 29.120.50Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and

4、Strategy Committee on 30 November 2014. Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60127-6:2014EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 60127-6 October 2014 ICS 29.120.50 Supersedes EN 60127-6:1994 English Version Miniature fuses - Part 6: Fuse-hol

5、ders for miniature fuse-links(IEC 60127-6:2014) Coupe-circuits miniatures - Partie 6: Ensembles-porteurspour cartouches de coupe-circuits miniatures (CEI 60127-6:2014) Gerteschutzsicherungen - Teil 6: G-Sicherungshalter fr G-Sicherungseinstze (IEC 60127-6:2014) This European Standard was approved by

6、 CENELEC on 2014-10-08. 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 st

7、andards may be obtained on application to the CEN-CENELEC Management Centre 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 lang

8、uage and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, Franc

9、e, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Norm

10、alisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60127-6:2014 E EN 60127-6:2014 - 2 - Fo

11、reword The text of document 32C/491/FDIS, future edition 2 of IEC 60127-6, 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 60127-6:2014. The following dates are fixed: latest date by which the document has to be i

12、mplemented at national level by publication of an identical national standard or by endorsement (dop) 2015-07-08 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2017-10-08 This document supersedes EN 60127-6:1994. Attention is drawn to the possibi

13、lity 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 C

14、ertain Voltage Limits (LVD - 2006/95/EC). Endorsement notice The text of the International Standard IEC 60127-6:2014 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: I

15、EC 60060-1:2010 NOTE Harmonized as EN 60060-1:2010 (not modified). IEC 60060-3:2006 NOTE Harmonized as EN 60060-3:2006 (not modified). IEC 60364-4-44:2007 NOTE Harmonized as HD 60364-4-444:2010 and HD 60364-4-442:2012 (modified). ISO 1302:2002 NOTE Harmonized as EN ISO 1302:2002 (not modified). BS E

16、N 60127-6:2014- 3 - EN 60127-6:2014 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated re

17、ferences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date in

18、formation on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu Publication Year Title EN/HD Year IEC 60050 Series International Electrotechnical Vocabulary - - IEC 60068-1 2013 Environmental testing - Part 1: General and guidance EN 60068-1 2014 IEC

19、 60068-2-1 2007 Environmental testing - Part 2-1: Tests - Test A: Cold EN 60068-2-1 2007 IEC 60068-2-2 2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat EN 60068-2-2 2007 IEC 60068-2-6 2007 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) EN 60068-2-6 2008 IEC

20、60068-2-20 2008 Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads EN 60068-2-20 2008 IEC 60068-2-21 2006 Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices

21、EN 60068-2-21 2006 IEC 60068-2-27 2008 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock EN 60068-2-27 2009 IEC 60068-2-45 + A1 1980 1993 Basic environmental testing procedures - Part 2-45: Tests - Test XA and guidance: Immersion in cleaning solvents EN 60068-2-45 + A1 1992 1993

22、 IEC 60068-2-47 2005 Environmental testing - Part 2-47: Tests - Mounting of specimens for vibration, impact and similar dynamic tests EN 60068-2-47 2005 IEC 60068-2-75 1997 Environmental testing - Part 2-75: Tests - Test Eh: Hammer tests EN 60068-2-75 1997 1)IEC 60068-2-78 2012 Environmental testing

23、 - Part 2-78: Tests - Test Cab: Damp heat, steady state EN 60068-2-78 2013 1)Superseded by EN 60068-2-75:2014 (IEC 60068-2-75:2014). BS EN 60127-6:2014EN 60127-6:2014 - 4 - Publication Year Title EN/HD Year IEC 60068-3-4 2001 Environmental testing - Part 3-4: Supporting documentation and guidance -

24、Damp heat tests EN 60068-3-4 2002 IEC 60112 + A1 2003 2009 Method for the determination of the proof and the comparative tracking indices of solid insulating materials EN 60112 + A1 2003 2009 IEC 60127-1 +A1 2006 2011 Miniature fuses - Part 1: Definitions for miniature fuses and general requirements

25、 for miniature fuse-links EN 60127-1 +A1 2006 2011 IEC 60127-2 +A1 +A2 2003 2003 2010 Miniature fuses - Part 2: Cartridge fuse-links EN 60127-2 +A1 +A2 2003 2003 2010 IEC 60127-3 +A1 +A2 1988 1991 2002 Miniature fuses - Part 3: Sub-miniature fuse-links EN 60127-3 + corr. June - +A2 1996 1996 - 2003

26、IEC 60216-1 2013 Electrical insulating materials - Thermal endurance properties - Part 1: Ageing procedures and evaluation of test results EN 60216-1 2013 IEC 60529 +A1 +A2 1989 1999 2013 Degrees of protection provided by enclosures (IP Code) EN 60529 +corr. May +A1 +A2 1991 1993 2000 2013 IEC 60664

27、-1 2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests EN 60664-1 2007 IEC 60695-11-5 2004 Fire hazard testing - Part 11-5: Test flames - Needle-flame test method - Apparatus, confirmatory test arrangement and guidance EN 60695-11-5 2005

28、 IEC 60695-2-12 +A1 2010 2014 Fire hazard testing - Part 2-12: Glowing/hot-wire based test methods - Glow-wire flammability index (GWFI) test method for materials EN 60695-2-12 +A1 2010 2014 IEC 60695-2-13 +A1 2010 2014 Fire hazard testing - Part 2-13: Glowing/hot-wire based test methods - Glow-wire

29、 ignition temperature (GWIT) test method for materials EN 60695-2-13 +A1 2010 2014 IEC 60999-1 1999 Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units - Part 1: General requirements and particular requirements for clamping units f

30、or conductors from 0,2 mm up to 35 mm (included) EN 60999-1 2000 BS EN 60127-6:2014- 5 - EN 60127-6:2014 Publication Year Title EN/HD Year IEC 61140 +A1 (mod) 2001 2004 Protection against electric shock - Common aspects for installation and equipment EN 61140 +A1 2002 2006 IEC 61210 (mod) 2010 Conne

31、cting devices - Flat quick-connect terminations for electrical copper conductors - Safety requirements EN 61210 2010 ISO 3 1973 Preferred numbers; Series of preferred numbers - - BS EN 60127-6:2014 2 IEC 60127-6:2014 IEC 2014 CONTENTS INTRODUCTION . 8 1 Scope 9 2 Normative references 10 3 Terms and

32、definitions 11 3.1 Fuse-holders . 12 4 General requirements 15 5 Preferred standard ratings and classifications for fuse-holders 15 6 Marking . 16 7 Clause deleted 16 8 General notes on tests 16 8.1 Nature of tests 16 8.2 Standard atmospheric conditions for measurement and tests 17 8.3 Preconditioni

33、ng of test samples 17 8.4 Nature of supply . 17 8.5 Gauges and dummy fuse-links for tests . 17 8.5.1 Gauges and dummy fuse-links according to IEC 60127-2 17 8.5.2 Gauges and dummy fuse-links according to IEC 60127-3 18 8.6 Type tests . 20 9 Protection against electric shock . 20 9.1 Category PC1: Fu

34、se-holders without integral protection against electric shock 20 9.2 Category PC2: Fuse-holders with integral protection against electric shock 21 9.3 Category PC3: Fuse-holders with enhanced integral protection against electric shock 21 10 Clearances and creepage distances 21 10.1 General . 21 10.2

35、 Minimum requirements for fuse-holders in respect to the grade of insulation . 21 10.3 Clearances . 22 10.4 Creepage distances 23 11 Electrical requirements 24 11.1 Insulation resistance, dielectric strength and impulse withstand voltage 24 11.1.1 Mounting . 24 11.1.2 Humidity preconditioning . 25 1

36、1.1.3 Measurement of insulation resistance 25 11.1.4 Dielectric strength test . 26 11.1.5 Impulse withstand voltage test . 26 11.2 Contact resistance 26 11.2.1 General measuring requirements . 26 11.2.2 Measuring cycle. 27 11.2.3 Measurement and requirements . 27 12 Mechanical requirements . 29 12.1

37、 General . 29 12.2 Mounting . 29 12.3 Compatibility between fuse-holder and fuse-link . 29 BS EN 60127-6:2014IEC 60127-6:2014 IEC 2014 3 12.4 Mechanical strength of the connection between fuse-base and fuse-carrier 30 12.4.1 Screw and bayonet connections 30 12.4.2 Plug-in connection . 30 12.5 Impact

38、 test 31 12.6 Mechanical strength of the fuse-holder fastening on panels 31 12.6.1 Fixing nut fastening . 31 12.6.2 Fixing screw fastening . 31 12.6.3 Snap-in fastening 32 12.7 Terminals of fuse-bases 33 12.7.1 Terminals with screw-type clamping or screwless-type clamping . 33 12.7.2 Terminals for s

39、oldering 33 12.7.3 Quick-connect male tab terminals 35 12.7.4 Quick-connect male tab terminals combined with solder tag terminals . 36 12.8 Resistance to vibration . 36 12.8.1 General . 36 12.8.2 Mounting . 36 12.8.3 Measurement and requirements . 37 13 Thermal requirements 37 13.1 Rated power accep

40、tance test 37 13.1.1 General . 37 13.1.2 Mounting . 37 13.1.3 Dummy fuse-links 38 13.1.4 Measurement of maximum allowable temperatures on fuse-holders . 40 13.1.5 Correlation between ambient air temperature TA1 and the power acceptance of a fuse-holder . 42 13.1.6 Temperature measuring point for amb

41、ient air temperature TA143 13.1.7 Test method 43 13.2 Resistance to abnormal heat and fire 44 13.2.1 Needle-flame test 44 13.2.2 Glow-wire ignition test . 45 14 Endurance . 45 14.1 General . 45 14.2 Endurance test 45 14.3 Requirements . 45 15 Additional requirements . 45 15.1 Resistance to rusting 4

42、5 15.2 Resistance to cleaning solvents 46 Annex A (normative) Test PC board for fuse-holders of rated currents up to 10 A . 47 Annex B (normative) Type tests, test sequences and number of samples 48 Annex C (informative) Insulation coordination 49 C.1 Overvoltage categories . 49 C.2 Degrees of pollu

43、tion in the micro-environment 49 C.3 Comparative tracking index CTI 50 Annex D (informative) Additional tests and requirements . 51 D.1 General . 51 D.2 Resistance to shock 51 D.2.1 General . 51 D.2.2 Mounting . 51 BS EN 60127-6:2014 4 IEC 60127-6:2014 IEC 2014 D.2.3 Measurement and requirements . 5

44、1 D.3 Verification of the degree of protection of enclosures 51 D.4 Climatic category 52 D.4.1 General . 52 D.4.2 Test conditions and requirements 52 Annex E (informative) Information for the correct application of the fuse-holder . 53 Bibliography 54 Figure 1 Outline of gauges and dummy fuse-links

45、according to IEC 60127-2 17 Figure 2 Outline of gauges and dummy fuse-links according to IEC 60127-3 standard sheet 1 . 19 Figure 3 Outline of gauges and dummy fuse-links according to IEC 60127-3 standard sheets 3 and 4 . 19 Figure 4 Panel mounting 25 Figure 5 PC board mounting 25 Figure 6 Test devi

46、ce for mechanical test 29 Figure 7 Fuse-holder fastening on panels 32 Figure 8 Tensile force test . 36 Figure 9 Compressive force test 36 Figure 10 Test device 38 Figure 11 Illustration of temperatures experienced in practice 41 Figure 12 Example of a derating curve . 44 Figure A.1 Example of a test

47、 board 47 Table 1 Features of unexposed or exposed fuse-holders . 9 Table 2 Values for standard ratings and classifications 16 Table 3 Dimensions and materials for gauges according to IEC 60127-2 . 18 Table 4 Dimensions and materials for dummy fuse-links according to IEC 60127-2 . 18 Table 5 Dimensi

48、ons and materials for gauges according to IEC 60127-3 20 Table 6 Dimensions and materials for dummy fuse-links according to IEC 60127-3 . 20 Table 7 Types of insulation between different live parts and accessible parts 21 Table 8 Required impulse withstand voltage for clearances . 22 Table 9 Overvol

49、tage category II . 23 Table 10 Overvoltage category III 23 Table 11 Minimum creepage distances in millimetres for a micro-environmentdependent on rated voltage, pollution degree, insulating material,corresponding to IEC 60664-1:2007, Table F.4 24 Table 12 Values for insulation resistance, dielectric strength and impulse withstand voltage 28 Table 13 Values for torque and axial pull . 30 Table 14 Torque values . 31 Table 15 Torque values . 32 Table 16 Mounting groups 33 Table 17 Cross-s