GB 14048.6-2008 低压开关设备和控制设备 第4-2部分：接触器和电动机起动器 交流半导体电动机控制器和起动器（含软起动器） Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters AC semiconductor motor controllers and starters(including soft-starter)
Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters AC semiconductor motor controllers and starters(including soft-starter)
