IEC 61643-21 ed1.1
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
目录
1基础信息
- 标准号
- IEC 61643-21 ed1.1
- 版本
- 1.1
- 标准来源
- IEC
- 标准发布组织
- IEC
- 国际组织机构
- TC 37/SC 37A Low-voltage surge protective devices
- 标准语言
- EN-FR
- 发布日期
- 2009-04-29
