m BH GSO IEC 61643-21:2016 - Standards Store - Ministry of Industry, Commerce & Tourism - Kingdom of Bahrain

BH GSO IEC 61643-21:2016

Bahraini Standard   Current Edition

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

Adoption by Endorsement

Adoption by endorsement for the latest version of this international/national standard and the previous adopted edition remains effective for 2 years starting from the date of last international update

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.
Endorsement
IEC 61643-21:2012
08 February 2016

Files

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