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IEC 61643-22:2004 ED1

Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles

Publication date:   Nov 8, 2004

General information

99.60 Withdrawal effective   Jun 25, 2015

IEC

TC 37/SC 37A

International Standard

29.240.10   Substations. Surge arresters

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Scope

Describes the principles for the selection, operation, location and coordination of SPDs connected to telecommunication and signalling networks with nominal system voltages up to 1 000 V r.m.s. a.c. and 1 500 V d.c.
Also addresses SPDs that incorporate protection for signalling lines and power lines in the same enclosure.

Life cycle

NOW

WITHDRAWN
IEC 61643-22:2004 ED1
99.60 Withdrawal effective
Jun 25, 2015

REVISED BY

PUBLISHED
IEC 61643-22:2015 ED2