OS GSO IEC 61643-22:2014

IEC 61643-22:2004
Omani Standard   Current Edition · Approved on 25 December 2014

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

OS GSO IEC 61643-22:2014 Files

OS GSO IEC 61643-22:2014 Scope

This part of IEC 61643 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. This standard also addresses SPDs that incorporate protection for signalling lines and power lines in the same enclosure.

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