1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 60512-20-1:2010Connectors for electronicequipment Tests andmeasurementsPart 20-1: Fire hazard tests Test 20a:Flammability, needle-flameBS EN 60512-20-1:2010 BRITISH STANDAR
2、DNational forewordThis British Standard is the UK implementation of EN60512-20-1:2010. It is identical to IEC 60512-20-1:2010. It supersedesTest 20a from BS 5772-9:1993, IEC 60512-9:1992, which will remaincurrent until all the tests it contains have been revised.The UK participation in its preparati
3、on was entrusted to TechnicalCommittee EPL/48, Electromechanical components and mechanicalstructures for electronic equipment.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a
4、 contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 62170 3ICS 31.220.01Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2
5、010.Amendments issued since publicationDate Text affectedBS EN 60512-20-1:2010EUROPEAN STANDARD EN 60512-20-1 NORME EUROPENNE EUROPISCHE NORM July 2010 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechni
6、sche Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60512-20-1:2010 E ICS 31.220.01 English version Connectors for electronic equipment - Tests and measurements
7、- Part 20-1: Fire hazard tests - Test 20a: Flammability, needle-flame (IEC 60512-20-1:2010) Connecteurs pour quipements lectroniques - Essais et mesures - Partie 20-1: Essais relatifs aux risques du feu - Essai 20a: Inflammabilit, brleur-aiguille (CEI 60512-20-1:2010) Steckverbinder fr elektronische
8、 Einrichtungen - Mess- und Prfverfahren - Teil 20-1: Prfungen auf Feuersicherheit - Prfung 20a: Brennbarkeit, Nadelflamme (IEC 60512-20-1:2010) This European Standard was approved by CENELEC on 2010-07-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate
9、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 exi
10、sts 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 elec
11、trotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Swede
12、n, Switzerland and the United Kingdom. BS EN 60512-20-1:2010EN 60512-20-1:2010 - 2 - Foreword The text of document 48B/2160/FDIS, future edition 1 of IEC 60512-20-1, prepared by SC 48B, Connectors, of IEC TC 48, Electromechanical components and mechanical structures for electronic equipment, was sub
13、mitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60512-20-1 on 2010-07-01. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such pate
14、nt rights. 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) 2011-04-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2013-07-01
15、 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60512-20-1:2010 was approved by CENELEC as a European Standard without any modification. _ BS EN 60512-20-1:2010- 3 - EN 60512-20-1:2010 Annex ZA (normative) Normative references to international pub
16、lications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) a
17、pplies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60695-11-5 - Fire hazard testing - Part 11-5: Test flames - Needle-flame test method - Apparatus, confirmatory test arrangem
18、ent and guidance EN 60695-11-5 - BS EN 60512-20-1:2010 2 60512-20-1 IEC:2010 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ CONNECTORS FOR ELECTRONIC EQUIPMENT TESTS AND MEASUREMENTS Part 20-1: Fire hazard tests Test 20a: Flammability, needle-flame FOREWORD 1) The International Electrotechnical Commiss
19、ion (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 end and in
20、addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee int
21、erested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance
22、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 committee has representation from all intereste
23、d IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible
24、for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence betwe
25、en 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 and, in some areas, access to IEC marks of con
26、formity. 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 experts and mem
27、bers 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 Publication
28、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 Publication
29、may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60512-20-1 has been prepared by subcommittee 48B: Connectors, of IEC technical committee 48: Electromechanical components and mechanical structures for ele
30、ctronic equipment. This standard cancels and replaces Test 20a of IEC 60512-9, issued in 1992. The structure of IEC 60512 series is explained in IEC 60512-1-100. The text of this standard is based on the following documents: FDIS Report on voting 48B/2160/FDIS 48B/2195/RVD Full information on the vo
31、ting for the approval of this standard can be found in the report on voting indicated in the above table. BS EN 60512-20-1:201060512-20-1 IEC:2010 3 This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of the IEC 60512 series, under the general tit
32、le Connectors for electronic equipment Tests and measurements, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specif
33、ic publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended BS EN 60512-20-1:2010 4 60512-20-1 IEC:2010 CONNECTORS FOR ELECTRONIC EQUIPMENT TESTS AND MEASUREMENTS Part 20-1: Fire hazard tests Test 20a: Flammability, needle-flame 1 Scope and
34、 object This part of IEC 60512, when required by the detail specification, is used for testing connectors within the scope of technical committee 48. It may also be used for similar devices when specified in a detail specification. The object of this standard is to detail a standard method to determ
35、ine the flammability of a connector when exposed to a needle-flame under specified conditions. The needle-flame test is intended to simulate the effect of small flames which may result from fault conditions within the equipment, i.e. the intensity of the ignition source used is of a similar order to
36、 that of an accidentally overheated or burning single electronic component. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the refere
37、nced document (including any amendments) applies. IEC 60695-11-5, Fire hazard testing Part 11-5: Test flames Needle flame test method Apparatus, confirmatory test arrangement and guidance 3 Preparation of the specimen The specimen shall consist of an unwired connector, mounted and provided with cont
38、acts as specified in the detail specification. 4 Test method The test shall be carried out in accordance with IEC 60695-11-5. A wooden board covered with a single layer of tissue paper shall be placed underneath the specimen to be tested as described in IEC 60695-11-5. The position of the specimen a
39、nd the point of application of the flame shall be as specified in the detail specification. The burner shall be mounted at an angle of approximately 45 so that any drops from the specimen can fall freely on the underlying layer (see Figure 1). For the same reason, it is desirable to specify the posi
40、tion of the specimen to be slightly inclined (approximately 80). In the case of edge application, the flame shall be applied not less than 10 mm from the nearest corner, unless otherwise specified by the detail specification. BS EN 60512-20-1:201060512-20-1 IEC:2010 5 The burner is lit away from the
41、 specimen and the length of the flame is adjusted to 12 mm 1 mm. The burner is then brought into the test position so that the specimen penetrates the flame by approximately 2 mm. A vertical distance of 7 mm to 9 mm between the tip of the burner and the surface/edge to be tested is adequate for this
42、 purpose, but in the case of application to a vertical surface, a horizontal distance of approximately 5 mm between the tip of the burner and the surface to be tested is necessary. 8 mm-10 mm 45 4580 5 mm Specimen Specimen IEC 1223/10 IEC 1224/10 Figure 1a) Test position (example) Figure 1b) Test po
43、sition (example) Figure 1 Needle-flame test The detail specification for the connector shall specify the severity (duration of application) to be used. Preferably, one of the following durations of application of the test flame given in IEC 60695-11-5 shall be prescribed: 5 s 10 s 20 s 30 s 60 s 120
44、 s The tolerance for all values is 0/-1 s. At the end of the duration of the application, the flame is removed from the specimen. 5 Requirements After removal of the burner, the specimen shall preferably not continue to burn. If it continues to burn, the burning time shall not exceed the maximum lim
45、it specified in the detail specification. In no case shall any material drops ignite the underlaying tissue paper. BS EN 60512-20-1:2010 6 60512-20-1 IEC:2010 6 Details to be specified When this test is required by the detail specification, the following details shall be specified: a) number and var
46、iant of the specimens to be tested; b) mounting of the specimen; c) severity (duration of the application of the flame); d) point of application of the flame; e) maximum burning time; f) any deviation from the standard test method and/or conditions. _ This page deliberately left blankBSI is the inde
47、pendent national body responsible for preparing British Standardsand other standards-related publications, information and services. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter.British Standards Institution (BSI)raising standards
48、 worldwideBSI Group Headquarters389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards are updated by amendment or revision. Users of British Stan-dards should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve
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