GB/T 14048.12-2016 Low-voltage switchgear and controlgear Part 4-3: Contactors and motor starters for AC semiconductor controllers and contactors for non-motor loads (English Version)
2016GB/T 14048.12-2016 Low-voltage switchgear and controlgear Part 4-3: Contactors and motor starters for AC semiconductor controllers and contactors for non-motor loads
2006GB/T 14048.12-2006 Low voltage switchgear and controlgear Part 4-3: Contactors and motor starters AC semiconductor controllers and contactors for non motor loads