Remaining current: 9 channels (input of residual current transformer)
Temperature detection: 4 channels (equipped with temperature sensors)
Relay output: 1 channel (protective output)
Device display: Chinese LCD display
Communication interface: Standard RS-485 interface (optical isolation)
Communication protocol: Standard Modbus RTU communication protocol
Device power supply: AC220V
Parameter settings: communication address, communication baud rate, multiple independent limit settings

Please refer to the specification introduction for the residual current transformer
Temperature sensor T specifications refer to the specification introduction
Optional extended display unit PDM-800DDSC/PDM-800DSC-7

Note: This diagram is for reference only. The wiring diagram is subject to the actual product. If there are any objections, please contact our technical team before purchasing.