... 2,Rated Voltage(V):Three-phase four-wire 3x220/380V or 3x57.7/100V Three-phase Three-wire 3x100V or 3x380V ... low power consumption, light weight etc 2,Measure three phase active electric energy, Do not need calibrate for ... (A) 3x1.5(6),3x5(20),3x10(40),3x15(60),3x30(80),3x30(100)Rated Voltage(V) Three-phase ... four-wire 3×220/380V or 3×57.7/100V Three-phase Three-wire 3×100V ...