Intelligent circuit breaker of low-voltage power supply surge protection device

The utility model discloses an intelligent circuit breaker of a low-voltage power supply surge protection device, which comprises a shell, the shell is fixedly connected with a first power connection seat, a circuit breaker body, a second power connection seat and a miniature vacuum pump, and the miniature vacuum pump is fixedly connected with the circuit breaker body, the circuit breaker body, the second power connection seat and the miniature vacuum pump. An exhaust pipe of the miniature vacuum pump is fixedly connected with a connecting pipe, the connecting pipe is fixedly connected with a first three-way valve, and the side end of the first three-way valve is fixedly connected with an exhaust pipe. According to the intelligent circuit breaker of the low-voltage power supply surge protection device, the heat absorption shell absorbs heat generated by the circuit breaker body, the miniature vacuum pump is started, the miniature vacuum pump sucks in external gas through the first three-way valve and the conn