DIN EN 60947-8:2013
低压开关设备和控制设备.第8部分:旋转电机内置热保护(PTC)控制装置(IEC 60947-8-2003+A1-2006+A2-2011).德文版本EN 60947-8-2003+A1-2006+A2-2012
Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines (IEC 60947-8:2003 + A1:2006 + A2:2011); German version EN 60947-8:2003 + A1:2006 + A2:2012