... Technical Features of GK800 Series High Performance AC Motor DrivesPower inputRated input voltage3-phase AC208V/AC220V/AC230V/AC240V/AC380V/AC400V/AC415V ... )See Section 2.3 in user manualOutput voltage (V)3-phase: 0~ rated input voltage, error < +/-3%Output frequency (Hz ... , carding machine, roving machine, compressor, crusher, pump, fan, etc. AC motor drives with large torque and vector control mode