... active power,reactive power , apparent power, power factor and frequency.They are displayed by LED or LCD. Visual display , ... current,active power,reactive power ,apparent power,power factor ,frequency.LED or LCD display , Local data queryCurrent Conversion ... AC220V,AC380V,AC100V,DC48V,DC24VPower dissipationLess than 4VA Function Module Communication interfaceNo. 1 RS-485 communications,Modbus-RTU ...