... , three-phase four wiresVoltageRated ValueAC100V/AC380VOver-loadMeasurement:1.2times, instantaneous:2 times during 10sPower Consumptionless ... phase)Impedancemore than 300kΩCurrentRated ValueAC1A/AC5AOver-loadSustainable:1.2 times, instantaneous:10 times during 5sPower ... optical relay, constant 5000imp/kWh(kvarh)Communication Interface1-channel RS485 Communication interface, MODBUS-RTU protocol, Baud ...