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IEC 61643-22:2004

$72.80

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

Published By Publication Date Number of Pages
IEC 2004-11-08 104
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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.

IEC 61643-22:2004
$72.80