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EVS-EN 61643-21:2002/A1:2009

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

General information
Valid from 04.06.2009
Base Documents
IEC 61643-21:2000/A1:2008; EN 61643-21:2001/A1:2009
Directives or regulations
2014/35/EU Low voltage (LVD)

Standard history

Status
Date
Type
Name
04.06.2009
Amendment
01.11.2002
Main
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.
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