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IEC 61643-21 Ed. 1.0现行

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

出版：International Electrotechnical Committee

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基本信息

标准编号： IEC 61643-21 Ed. 1.0

发布时间：2000/9/29 0:00:00

标准类别：Standard

出版单位：International Electrotechnical Committee

标准页数：111

标准简介

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.

替代本标准的新标准

IEC 61643-21 Ed. 1.1

等同采用的国际标准

UNE EN 61643-21:2002 - Identical

JIS C 5381-21:2004 - Identical

SS EN 61643-21 Ed. 1 (2002) - Identical

PN EN 61643-21:2004 - Identical

NEN EN IEC 61643-21:2001 - Identical

NEN IEC 61643-21:2000 - Identical

CEI EN 61643-21 Ed. 1 (2003) - Identical

SN EN 61643-21:2001 - Identical

BS EN 61643-21:2001+A1:2009 - Identical