IEC 61643-22:2004

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.

OEN:

IEC

Langue:

English

Code(s) de l'ICS:

29.240.10

Statut:

Révisé

Date de Publication:

2004-11-07

Numéro Standard:

IEC 61643-22:2004