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[Superseded]Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application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