DIN VDE 0100-420:2013 低压电气设备.第4-42部分:安全性防护.热效应防护(IEC 60364-4-42-2010,修改采用).德文实施版本HD 60364-4-42-2011
Low-voltage electrical installations - Part 4-42: Protection for safety - Protection against thermal effects (IEC 60364-4-42:2010, modified); German implementation HD 60364-4-42:2011