IEC 61643-22 Ed. 1.0 b:2004

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

International Electrotechnical Commission, 11/08/2004

Publisher: IEC

File Format: PDF

$139.00$278.00

Description

Published:08/11/2004

Pages:95

File Size:1 file , 1.6 MB

Note:This product is unavailable in Ukraine, Russia, Belarus

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.

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