... , IEC III rank 4.Customizable,OEM&ODM Introduction1.Specification 3-phase Measure voltage current, active power, reactive power, power factor ... : Voltage, current, active power, reactive Power of each phase, 3 Phase Power, 3 Phase reactive Power, Power Factor, Frequency and etc.. Voltage 0 ... % RH(20±5°C) atmospheric: 86~108Kpa, No corrosive gas or heavy dust Weight: 450g Input/Output M3 screw terminals ...