IEC 61557-8:2014/COR1:2016
1000 V AC 和 1500 V DC 低压配电网络中的电气安全 用于测量或监控保护措施的控制设备 第8部分:IT 网络的永久绝缘监控器(第 3.0 版)
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. – Equipment for testing@ measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systems (Edition 3.0)