Standard

IEC 61643-22:2004

[Superseded]

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

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.

Published: 08/11/2004

Pages: 95

Content history

IEC 61643-22:2015

[Current]

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