DIN VDE 0100-442-2013
低压电气装置.第4-44部分:安全防护.由于高压系统中接地故障和低压系统中故障的抗暂时过电压的低压装置的防护(IEC 60364-4-44-2007(第442条款),修订本).德文实施HD 60364-4-442-2012
Low-voltage electrical installations - Part 4-442: Protection for safety - Protection of low-voltage installations against temporary overvoltages due to earth faults in the high-voltage system and due to faults in the low voltage system (IEC 60364-4-44:20