... Voltage: AC100V,AC400V,OverloadingContinuance: 1.2 times, Instantaneous: current 10 times(5s), Voltage 2 times(10s)Frequency40-60Hz, ... voltagePower supply and input, Transmitting output, Communication interface AC2kV, Input, Transmitting output, Communication interface between each other ... 20 to 75°COutputAnalog valueWhen DC4~20mA current output,Digital valueRS-485 interface, MODBUS-RTU protocol