... Technical Data 2,Rated Voltage(V):Three-phase four-wire 3x220/380V or 3x57.7/100V Three-phase Three-wire 3x100V or 3x380V 3, Rated ... , high overload, low power consumption, light weight etc 2,Measure three phase active electric energy, Do not need calibrate for long term ... ),3x30(100)Rated Voltage(V) Three-phase four-wire 3×220/380V or 3×57.7/100V Three-phase Three-wire 3×100V or 3 ...