标准摘要
[中文适用范围]： 描述了连接到标称系统电压高达 1 000 V rmsac 和 1 500 V dc 的电信和信号网络的 SPD 的选择、操作、定位和协调原则 还介绍了包含 p 的 SPD [外文原描述]： 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.
英文名称Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles