EN 61643-351:2017 低压电涌保护器元件 第351部分:电信和信号网络电涌隔离变压器(SIT)的性能要求和测试方法
Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
IEC 61643-351:2016 defines test circuits and test methods for determining and verifying the SIT surge parameters. Preferred performance values for key parameters are given. Surge i...