Metering and broadband carrier wave modularized circuit breaker

The utility model provides a metering and broadband carrier wave modularized circuit breaker, which relates to the technical field of circuit breakers, and comprises a circuit breaker main body, a first main MCU (Microprogrammed Control Unit), a temperature sensing assembly, a first DCDC (Direct Current to Direct Current) chip, a tripping circuit, a current transformer, a measuring module and a switching power supply, the temperature sensor is electrically connected with a universal input/output port of the first main MCU through a burning program, data interaction is carried out between the temperature sensor and a universal asynchronous transceiver of the first main MCU, and temperature measurement data transmission is carried out between the temperature sensor and a two-wire serial bus of the first main MCU. According to the utility model, data such as three-phase voltage, three-phase current, three-phase power, electric quantity and the like of a wire outlet in the circuit breaker can be metered, electric