1. General
1.1 function
This product is mainly suitable for AC 50Hz, rated voltage 230/400V, rated current to 80A line, overload, short circuit, overvoltage, undervoltage protection and leakage protection, 
circumstances.
The product also features remote control, electrical parameter (voltage, current, power) measurement, and networking with external devices via RS485 communication interface or Bluetooth
Main functions: overload protection, short circuit protection, overvoltage protection, undervoltage protection, leakage protection, electrical parameter measurement, remote opening and closing.

1.2 Standard: IEC/EN 61009-1