BS-EN-61643-21-2001.pdf
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1、BRITISH STANDARD BS EN 61643-21:2001 Low voltage surge protective devices Part 21: Surge protective devices connected to telecommunications and signalling networks Performance requirements and testing methods The European Standard EN 61643-21:2001 has the status of a British Standard ICS 33.120.99;
2、29.130.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 08:18:29 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61643-21:2001 This British Standard, having been prepared under the direction of the Electrotechnical Sect
3、or Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee and comes into effect on 31 August 2001 BSI 31 August 2001 ISBN 0 580 38352 0 National foreword This British Standard is the official English language version of EN 61643-21:2001. It is
4、 identical with IEC 61643-21:2000, together with corrigendum 1, dated March 2001. The UK participation in its preparation was entrusted by Technical Committee PEL/37, Surge arresters - Low voltage, which has the responsibility to: A list of organizations represented on this subcommittee can be obtai
5、ned on request to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifier
6、s from both systems. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of th
7、e BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid
8、 enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages Thi
9、s document comprises a front cover, an inside front cover, the EN title page, pages 2 to 58, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy:
10、sheffieldun sheffieldun, na, Fri Nov 10 08:18:29 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARDEN 61643-21 NORME EUROPENNE EUROPISCHE NORMJuly 2001 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Ele
11、ktrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2001 CENELEC -All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61643-21:2001 E ICS 29.240; 29.240.10 English version Low voltage surge protective devices Part
12、21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods (IEC 61643-21:2000 + corrigendum 2001) Parafoudres basse-tension Partie 21: Parafoudres connects aux rseaux de signaux et de tlcommunications - Prescriptions de fonctio
13、nnement et mthodes dessais (CEI 61643-21:2000 + corrigendum 2001) berspannungsschutzgerte fr Niederspannung Teil 21: berspannungsschutzgerte fr den Einsatz in Telekommunikations- und signalverarbeitenden Netzwerken - Leistungsanforderungen und Prfverfahren (IEC 61643-21:2000 + Corrigendum 2001) This
14、 European Standard was approved by CENELEC on 2000-11-01. 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 refe
15、rences 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
16、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, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherl
17、ands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 08:18:29 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 34616-21:0021- 2 - Foreword The text of document 37A/101/FDIS, future edition 1 of IEC 61643-21, prepared by SC 37A, Lo
18、w-voltage surge protective devices, of IEC TC 37, Surge arresters, was submitted to the IEC- CENELEC parallel vote and was approved by CENELEC as EN 61643-21 on 2000-11-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identi
19、cal national standard or by endorsement(dop)2002-02-01 latest date by which the national standards conflicting with the EN have to be withdrawn(dow)2003-11-01 Annexes designated “normative“ are part of the body of the standard. Annexes designated “informative“ are given for information only. In this
20、 standard, annexes C and ZA are normative and annexes A and B are informative. Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 61643-21:2000 + corrigendum March 2001 was approved by CENELEC as a European Standard without any modification. _ Page 2
21、EN 6164321:2001 BSI 31 August 2001 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 08:18:29 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 64613-12 CEI:2000 3 CONTENTS Page INTRODUCTION 6 Clause 1General . 7 1.1Scope. 7 1.2SPD configurations. 7 1.3Use of this standard 9 2Normative references10 3D
22、efinitions 11 4Service and test conditions.15 4.1Service conditions .15 4.1.1Normal service conditions15 4.1.2Abnormal service conditions 15 4.2Test temperature and humidity.15 4.3SPD testing .16 4.4Waveform tolerances.16 5Requirements .17 5.1General requirements 17 5.1.1Identification and documenta
23、tion17 5.1.2Marking17 5.2Electrical requirements 17 5.2.1Voltage-limiting requirements.17 5.2.2Current-limiting requirements.18 5.2.3Transmission requirements20 5.3Mechanical requirements.20 5.3.1Terminals and connectors21 5.3.2Mechanical strength (mounting) .22 5.3.3Resistance to ingress of solid o
24、bjects and to harmful ingress of water .22 5.3.4Protection against direct contact22 5.3.5Fire resistance.22 5.4Environmental requirements 22 5.4.1High temperature and humidity endurance.22 5.4.2Environmental cycling with impulse surges 23 5.4.3Environmental cycling with a.c. surges.23 6Type test 23
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