BH GSO IEC 61643-21:2016

IEC 61643-21:2000

Bahraini Standard Current Edition · Approved on 08 February 2016

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

BH GSO IEC 61643-21:2016 Files

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BH GSO IEC 61643-21:2016 Scope

This International Standard 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 voltages up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c.

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