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EN 61643-312-2013 en Components for low-voltage surge protective devices - Part 312 Selection and application principles for gas discharge tubes.pdf

1、BSI Standards PublicationComponents for low-voltagesurge protective devicesPart 312: Selection and application principles for gas discharge tubesBS EN 61643-312:2013EUROPEAN STANDARDEN 61643-312NORME EUROPENNEEUROPISCHE NORMAugust 2013CENELECEuropean Committee for Electrotechnical StandardizationCom

2、it Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische NormungManagement Centre: Avenue Marnix 17, B - 1000 Brussels 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.Ref. No. EN 61643-312:2013 EICS 31.100; 33.

3、040.99 Supersedes EN 61643-311:2001 (partially)English versionComponents for low-voltage surge protective devices - Part 312: Selection and application principles for gas discharge tubes(IEC 61643-312:2013 + corrigendum Jul. 2013)Composants pour parafoudres basse tension -Partie 312: Principes de ch

4、oix etdapplication pour les tubes dcharge de gaz(CEI 61643-312:2013 + corrigendum Jul. 2013)Bauelemente frberspannungsschutzgerte frNiederspannung -Teil 312: Auswahl- und Anwendungsprinzipien frGasentladungsableiter(IEC 61643-312:2013 + corrigendum Jul. 2013)This European Standard was approved by CE

5、NELEC on 2013-05-27. CENELEC members are bound to complywith 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 standar

6、ds may be obtained onapplication 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 otherlanguage made by translation under the responsibility of a CENELEC member into its own language and

7、 notifiedto 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, France, Germany

8、,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.BS EN 61643-312:2013BS EN 61643-312:2013 BRITISH STANDARDNational forewordThis British Sta

9、ndard is the UK implementation of EN 61643-312:2013. It is identical to IEC 61643-312:2013, incorporating corrigendum July 2013. Together with BS EN 61643-311:2013 it supersedes BS EN 61643-311:2001, which will be withdrawn on 16 May 2016.Corrigendum July 2013 corrects figure references in subclause

10、 8.2.The UK participation in its preparation was entrusted by Technical Committee PEL/37, Surge Arresters High Voltage, to Subcommittee PEL/37/1, Surge Arresters Low Voltage.A list of organizations represented on this subcommittee can be obtained on request to its secretary.This publication does not

11、 purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013ISBN 978 0 580 63625 7ICS 31.100; 33.040.99Compliance with a British Standard cannot confer immunity from

12、legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2013.Amendments/corrigenda issued since publicationDate Text affectedEUROPEAN STANDARD EN 61643-312 NORME EUROPENNE EUROPISCHE NORM August 2013 CENELEC European Co

13、mmittee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC m

14、embers. Ref. No. EN 61643-312:2013 E ICS 31.100; 33.040.99 Supersedes EN 61643-311:2001 (partially) English version Components for low-voltage surge protective devices - Part 312: Selection and application principles for gas discharge tubes (IEC 61643-312:2013 + corrigendum Jul. 2013) Composants pou

15、r parafoudres basse tension - Partie 312: Principes de choix et dapplication pour les tubes dcharge de gaz (CEI 61643-312:2013 + corrigendum Jul. 2013) Bauelemente fr berspannungsschutzgerte fr Niederspannung - Teil 312: Auswahl- und Anwendungsprinzipien fr Gasentladungsableiter (IEC 61643-312:2013

16、+ corrigendum Jul. 2013) This European Standard was approved by CENELEC on 2013-05-27. 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 l

17、ists and bibliographical references concerning such national standards 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

18、 under the responsibility of a CENELEC member into its own language 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

19、, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, 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. BS EN 61643-3

20、12:2013EN 61643-312:2013 - 2 - Foreword The text of document 37B/114/FDIS, future edition 1 of IEC 61643-312, prepared by SC 37B, “Specific components for surge arresters and surge protective devices“, of IEC/TC 37, “Surge arresters“ was submitted to the IEC-CENELEC parallel vote and approved by CEN

21、ELEC as EN 61643-312:2013. 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) 2014-02-27 latest date by which the national standards conflicting with the document have to be

22、 withdrawn (dow) 2016-05-27 This document partially supersedes EN 61643-311:2001. 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. Endo

23、rsement notice The text of the International Standard IEC 61643-312:2013 + corrigendum July 2013 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 60364-5-51:2001 N

24、OTE Harmonised as HD 60364-5-51:2006 (modified). IEC 60068-2-1 NOTE Harmonised as EN 60068-2-1. IEC 60068-2-20 NOTE Harmonised as EN 60068-2-20. IEC 60068-2-21 NOTE Harmonised as EN 60068-2-21. IEC 60721-3-3 NOTE Harmonised as EN 60721-3-3. IEC 61643-11 NOTE Harmonised as EN 61643-11. IEC 61643-21 N

25、OTE Harmonised as EN 61643-21. BS EN 61643-312:2013- 3 - EN 61643-312:2013 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 indispen

26、sable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevan

27、t EN/HD applies. Publication Year Title EN/HD Year IEC 60068-2-1 - Environmental testing - Part 2-1: Tests - Test A: Cold EN 60068-2-1 - IEC 60068-2-20 - Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads EN 60068-

28、2-20 - IEC 60068-2-21 - Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices EN 60068-2-21 - IEC 61643-311 - Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits and methods for gas discharge

29、 tubes (GDT) EN 61643-311 - BS EN 61643-312:2013EN 61643-312:2013 - 2 - Foreword The text of document 37B/114/FDIS, future edition 1 of IEC 61643-312, prepared by SC 37B, “Specific components for surge arresters and surge protective devices“, of IEC/TC 37, “Surge arresters“ was submitted to the IEC-

30、CENELEC parallel vote and approved by CENELEC as EN 61643-312:2013. 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) 2014-02-27 latest date by which the national standards

31、 conflicting with the document have to be withdrawn (dow) 2016-05-27 This document partially supersedes EN 61643-311:2001. 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 identi

32、fying any or all such patent rights. Endorsement notice The text of the International Standard IEC 61643-312:2013 + corrigendum July 2013 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 s

33、tandards indicated: IEC 60364-5-51:2001 NOTE Harmonised as HD 60364-5-51:2006 (modified). IEC 60068-2-1 NOTE Harmonised as EN 60068-2-1. IEC 60068-2-20 NOTE Harmonised as EN 60068-2-20. IEC 60068-2-21 NOTE Harmonised as EN 60068-2-21. IEC 60721-3-3 NOTE Harmonised as EN 60721-3-3. IEC 61643-11 NOTE

34、Harmonised as EN 61643-11. IEC 61643-21 NOTE Harmonised as EN 61643-21. BS EN 61643-312:2013- 3 - EN 61643-312:2013 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively ref

35、erenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modif

36、ications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60068-2-1 - Environmental testing - Part 2-1: Tests - Test A: Cold EN 60068-2-1 - IEC 60068-2-20 - Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to solde

37、ring heat of devices with leads EN 60068-2-20 - IEC 60068-2-21 - Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices EN 60068-2-21 - IEC 61643-311 - Components for low-voltage surge protective devices - Part 311: Performance requirements and te

38、st circuits and methods for gas discharge tubes (GDT) EN 61643-311 - BS EN 61643-312:2013 2 61643-312 IEC:2013 CONTENTS 1 Scope . 6 2 Normative references . 6 3 Terms, definitions and symbols 6 3.1 Terms and definitions 6 3.2 Symbols 10 4 Service conditions 10 4.1 General . 10 4.2 Low temperature .

39、10 4.3 Air pressure and altitude . 10 4.4 Ambient temperature . 10 4.5 Relative humidity . 11 5 Mechanical requirements and materials 11 5.1 General . 11 5.2 Robustness of terminations . 11 5.3 Solderability 11 5.4 Radiation . 11 5.5 Marking . 11 6 General 11 7 Construction . 12 7.1 Design . 12 7.2

40、Description 12 7.3 Fail-short (failsafe) 13 8 Function . 14 8.1 Protection principle 14 8.2 Operating mode . 14 8.3 Response behaviour 14 8.3.1 Static response behavior . 14 8.3.2 Dynamic response behavior . 14 8.4 Fail-short (failsafe) 15 9 Applications 16 9.1 Protective circuits 16 9.1.1 General .

41、 16 9.1.2 2-point (signal line) protection . 16 9.1.3 3-point protection 17 9.1.4 5-point protection 18 9.2 Telephone/fax/modem protection . 19 9.3 Cable TV/coaxial cable protection . 19 9.4 AC line protection 20 Bibliography 21 Figure 1 Voltage and current characteristics of a GDT . 8 Figure 2 Symb

42、ol for a two-electrode GDT 10 Figure 3 Symbol for a three-electrode GDT 10 Figure 4 Example of a two-electrode GDT . 12 BS EN 61643-312:201361643-312 IEC:2013 3 Figure 5 Example of a three-electrode GDT 12 Figure 6 Failsafe construction of a three-electrode GDT using a solder pill as sensitive space

43、r 13 Figure 7 Failsafe construction of a three-electrode GDT, using a plastic foil as sensitive spacer 13 Figure 8 Typical response behaviour of a 230 V GDT 15 Figure 9 Spark-over voltages versus response time . 15 Figure 10 Current through the GDT versus response time of fail-short (failsafe) . 16

44、Figure 11 2-point (Signal line) protection . 17 Figure 12 3-point protection using two-electrode GDTs . 17 Figure 13 3-point protection using three-electrode GDTs 17 Figure 14 3-point protection using two-electrode GDTs with fail-short . 18 Figure 15 3-point protection using three-electrode GDTs wit

45、h fail-short . 18 Figure 16 5-point protection using two-electrode GDTs . 18 Figure 17 5-point protection using three-electrode GDTs 18 Figure 18 5-point protection using two-electrode GDTs with fail-short . 19 Figure 19 5-point protection using three-electrode GDTs with fail-short . 19 Figure 20 Te

46、lephone/fax/modem protection using two-electrode GDTs 19 Figure 21 Telephone/fax/modem protection using three-electrode GDTs 19 Figure 22 Cable TV/ coaxial cable protection . 20 Figure 23 AC line protection . 20 BS EN 61643-312:2013 2 61643-312 IEC:2013 CONTENTS 1 Scope . 6 2 Normative references .

47、6 3 Terms, definitions and symbols 6 3.1 Terms and definitions 6 3.2 Symbols 10 4 Service conditions 10 4.1 General . 10 4.2 Low temperature . 10 4.3 Air pressure and altitude . 10 4.4 Ambient temperature . 10 4.5 Relative humidity . 11 5 Mechanical requirements and materials 11 5.1 General . 11 5.2

48、 Robustness of terminations . 11 5.3 Solderability 11 5.4 Radiation . 11 5.5 Marking . 11 6 General 11 7 Construction . 12 7.1 Design . 12 7.2 Description 12 7.3 Fail-short (failsafe) 13 8 Function . 14 8.1 Protection principle 14 8.2 Operating mode . 14 8.3 Response behaviour 14 8.3.1 Static respon

49、se behavior . 14 8.3.2 Dynamic response behavior . 14 8.4 Fail-short (failsafe) 15 9 Applications 16 9.1 Protective circuits 16 9.1.1 General . 16 9.1.2 2-point (signal line) protection . 16 9.1.3 3-point protection 17 9.1.4 5-point protection 18 9.2 Telephone/fax/modem protection . 19 9.3 Cable TV/coaxial cable protection . 19 9.4 AC line protection 20 Bibliography 21 Figure 1 Voltage and current characteristics of a GDT . 8 Figure 2 Symbol for a two-electrode GD

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