
LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 22: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - SELECTION AND APPLICATION PRINCIPLES
出版:Netherlands Standards

专家解读视频
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).
CLC/TS 61643-22 : 2016 - Identical