... stabilizer 50KW,380V voltage regulator CE,SGS,ISO9000 Three phase ac voltage regulator 50KW, 380V 3PH voltage stabilizer ... , DBW Series of high Power Regulator includes three-phase and single phase, using international advanced. Compensation Design, has ... accuracy 1-5% Adjustable.. No overvoltage, undervoltage, phase sequence, with multiple protections.. SBW DBW 50KW three phase ac voltage regulator