... adjust the output voltage(single-phase 0~250V),three-phase(0~430V),with the features of ... Single-phase,three-phase Input voltage: Single-phase 220V, three-phase 380VOutput voltage : Single-phase 0~250V, three- phase 0~430VFrequency: 50HzModel meansTDGC,TSGC T: Regulator D: Single phase S: Three phase ... appliances to achieve the goal of voltage regulating,temperature controlling,light regulating,power ...