... measure: Voltage, Current, Active Power, Reactive Power, Power Factor, Frequency (Hz), Kwh, 4 Quadrant Energy, etc. Total 28 electrical ... . Power factor—PFa, PFb, PFc, ∑PF6. Frequency7. Active energy—kWh8. Reactive energy– kvarh Connection3 Phase 3 Wires, 3 Phase 4 WiresRated ... , accuracy 0.1HzPower Active / Reactive / Apparent power, accuracy 0.5%F.S.Energy Accuracy for Active Power and Reactive Power ...