IEC 61643-21-2000 低压浪涌保护装置 第21部分:接到通信和信号网络的浪涌保护装置 性能要求和试验方法

标准号：IEC 61643-21-2000
中文标准名称：低压浪涌保护装置 第21部分:接到通信和信号网络的浪涌保护装置 性能要求和试验方法
英文标准名称：Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks; Performance requirements and testing methods
标准类型：K31
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：K31
国际标准分类号：29.120.50;33.040.30
适用范围：This International Standard is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages. The purpose of these SPDs is to protect modern electronic equipment connected to telecommunications and signalling networks with nominal system voltages up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c.