> IEC 61643-22 Ed. 1.0 b:2004 [ Withdrawn ]
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IEC 61643-22 Ed. 1.0 b:2004 [ Withdrawn ]

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IEC 61643-22 Ed. 1.0 b:2004 [ Withdrawn ] Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles

standard by International Electrotechnical Commission, 11/08/2004

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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.

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Edition: 1.0 Published: 11/08/2004 Number of Pages: 95File Size: 1 file , 1.6 MB