DIN EN 60947-4-3-2015 低压开关设备和控制设备.第4-3部分:接触器和电动机起动器.非电动机负载用交流半导体控制器和接触器(IEC 60947-4-3-2014);德文版本EN 60947-4-3-2014
Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads (IEC 60947-4-3:2014); German version EN 60947-4-3:2014