... , adopt MODBUS-RUT communication protocol. SpecificationParameter Input voltage displayNetwork3 phase 3 line,3 phase 4 line Voltage Rated voltageAC100V,400V(please note when ... ~55ºCStore environment-20~75ºCSafetyVoltage withstandInput and power>2kV, input andoutput>2kV, power and output>1kVInsulationInput, output, power supply to ...