... functions of short-circuit, overload, phase loss, overvoltage and current leakage etc. PurposeQBZ-200(120,80)/1140(660,380) ... character LCD, automatic shading light, real time display triphase current and fault state etc.;3) the setting is through ... supply device. Technical DataRated power(V)1140,660,380Rated current(A)200,120,80Work frequency(Hz)50Current AdjustmentCurrent Level decidedProtectorSelf ...