PDF Standards IEC 61643-22 Ed. 1.0 b: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.

Product Details

Edition:

1.0

Published:

11/08/2004

Number of Pages:

95

File Size:

1 file , 1.6 MB