IEC-61643-21 › Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

IEC-61643-21 - EDITION 1.2 - CURRENT
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IEC 61643-21:2000+A1:2008+A2:2012 is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages. The purpose of these SPDs is to protect modern electronic equipment connected to telecommunications and signalling networks with nominal system voltags up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c. The contents of the corrigendum of March 2001 have been included in this copy. This consolidated version consists of the first edition (2000), its amendment 1 (2008) and amendment 2 (2012). Therefore, no need to order amendment in addition to this publication.
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29.240 (Power transmission and distribution networks Electricity supply systems in buildings, see 91.140.50)

29.240.10 (Substations. Surge arresters)

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Document Number

IEC 61643-21 Ed. 1.2 b:2012

Revision Level

EDITION 1.2

Status

Current

Publication Date

July 27, 2012

Committee Number

37A