Circuit breaker with transformer temperature monitoring and protection

The utility model relates to the technical field of circuit breakers, and particularly discloses a circuit breaker with transformer temperature monitoring and protection, which comprises a first temperature measurement sensor, a second temperature measurement sensor, a lower controller and a wireless communication module, and is characterized in that a circuit breaker body is provided with a signal receiving unit, a microprocessor, a voltage transformer, a current transformer and a GPRS (General Packet Radio Service) module; the first temperature measurement sensor and the second temperature measurement sensor are connected with the lower controller, and the lower controller is connected with the wireless communication module; the voltage transformer and the current transformer are used for collecting voltage and current signals of the circuit breaker, the wireless communication module is wirelessly connected with the signal receiving unit, the voltage transformer and the current transformer are respectively