GB/T 18216.8-2015

Electrical safty in low voltage distribution systems up to 1000V a.c and 1500V d.c—Equipment for testing, measuring or monitoring of protective measures—Part 8: Insulation monitoring devices for IT systems

交流1000V和直流1500V以下低压配电系统电气安全 防护设施的试验、测量或监控设备 第8部份：IT系统中绝缘监控装置