... for display.3) Two On-Off Input / Output, with remote control RS485 Modbus communicatoin and measurement function;4) ... output 4-20mA for voltage, current, active power, reactive power, frequency, power factor;8) With RS485 communication function (Modbus ... times Instantaneous: 10 times/10SConsumption of current <0.4VA (each phase)Current imdepance <20mΩ Current accuracy RMS measure, accuracy class 0. ...