... stabilizer 50KW,380V voltage regulator CE,SGS,ISO9000 Three phase ac voltage regulator 50KW, 380V 3PH voltage stabilizer ... SWB, DBW Series of high Power Regulator includes three-phase and single phase, using international advanced. Compensation Design, has ... performance indicators: Input voltage: Three-phase 380V ± 20% single-phase 220V ± 20%.Output Voltage: 380V single-phase 220V.High efficiency: ≥ ...