Function• Metering function：measurement for forward and reverse active energy.• Measuring function: measurement for voltage, current, frequency, power, power factor, etc.• Display function: LCD，key-press display.• Communication function: RS485,support Modbus-RTU.• Refesh rate: active power refresh rate is about 50ms.ItemParametersAccuracy classVoltage±0.5%Current/Power±0.5%Electric energy±1%Electrical parametersGrid typeThree phase four wire(3P4W）Voltage rated value3×220/380V…3×240/415VCurrent specification0.25-5(80)AAccess methodDirect(non-CT)Frequency50/60HzSpecified working voltage range207V ～ 253VExtended working voltage range184V ～ 264VCommunicationInterfaceRS485ProtocolModbus-RTU Baud rate1200 / 2400 / 4800 / 9600bps(default) 19200/115200bpsbps(customizable)EnvironmentSpecified working temperature range-25℃～ 55℃Extended working temperaturerange-40℃～ 70℃Relative humidity≤ 75％ non-condensingAtmosphere86kPa ～ 106kPaSpecificationDimension72mm×100mm×65.5mm(allowance±1)Mounting typeDIN35mm(standard DIN-Rail mount）
