DIN VDE 0100-420:2016
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,修正版+A1-2014).德文实施版本HD 60364-4-42-2011+A1-2015
Low voltage electrical installations - Part 4-42: Protection for safety - Protection against thermal effects (IEC 60364-4-42:2010, modified + A1:2014); German implementation HD 60364-4-42:2011 + A1:2015