The intelligent low-voltage power protection device is suitable for low-voltage system motors. It integrates network communication technology and works in conjunction with contactors, circuit breakers, etc., providing a complete professional solution that combines control, protection, measurement, metering and communication for low-voltage AC motors. It can be used in intelligent MCC (Motor Control Center). This device can be expanded with temperature monitoring modules and insulation detection modules, and is applicable to multiple industry fields such as rail transit, power, petrochemical, light industry, coal, papermaking, steel, and metallurgy.