JIS C 5381-21:2014现行
Low Voltage Surge Protective Devices - Part 21: Surge Protective Devices Connected To Telecommunications And Signalling Networks - Performance Requirements And Testing Methods
出版：Japanese Standards Association
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基本信息
标准编号： JIS C 5381-21:2014
发布时间：2014/6/20 0:00:00
标准类别：Standard
出版单位：Japanese Standards Association
标准页数：51
标准简介
Gives performance requirements and testing methods of surge protective devices connected to telecommunications and signalling networks with nominal system voltages up to 1000 V (r.m.s.) a.c. and 1500 V d.c. SPDs limit surge voltage caused by indirect and direct effects of lightning or other transient overvoltages and contain one or more non-linear components to divert surge currents.
本标准替代的旧标准
