NEN NVN IEC CLC/TS 61643-22 : 2016
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LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 22: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - SELECTION AND APPLICATION PRINCIPLES
Published date
05-31-2016
Publisher
Explains the principles for the selection, operation, location and coordination of SPDs connected to telecommunication and signalling networks with nominal system voltages up to 1000 V r.m.s. a.c. and 1500 V d.c. Also addresses SPDs that incorporate protection for signalling lines and power lines in the same enclosure (so called multiservice SPDs).
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