Mesure: three phase I,U,F,P,Q,S,PF,kWh, kVarh CE Rhos Mark LED display ... , 3 wires; 3-phase unbalanced, 4 wiresMeasurable26 parameters (3I, 6U, F, 4P, 4Q, 4cos, 4E)Frequency45 ~ 65HzVoltageAC 100V, 400V (programmable)Overload ... outputs (open-collector),Pulse constant: 10000, 40000, 160000 imp/kWhDisplayLEDPrecision1 (F: 0.05Hz; kVar: 1)Power supplyAC/DC 85 ~ 270V; Consumption ...