D-GCK (1A)-type low-voltage withdrawable switchgear applied to three-phase AC.low price and good quality. ... ,380V,4000A,,PCMCC. D-GCK (1A)-type low-voltage withdrawable switchgear applied to three-phase AC 50,60 HZ, rated voltage ... subject to corrosion. D-GCK (1A)-type low-voltage withdrawable switchgear