... current constant (could be manually switched)AC inputvoltage rangeAC 220C, 380V, 400V, 415V, 440V(±10%)frequency range50Hz, 60Hzphasesthree phase three ... line, high reliability, long lifespan.Touch screenIncluded, DC current, voltage display, operate Start/Stop, local/remote control ... easily Remote control Included, start/stop, voltage, current display, output adjustment etc.Easy to operate in remote ...