External circuit breaker of electric energy meter

The utility model relates to the technical field of circuit breakers, and discloses an external circuit breaker of an electric energy meter, which comprises a main body assembly. The main body assembly comprises: an installation box in which a circuit breaker body is installed; the external circuit breaker of the electric energy meter provided by the utility model has the advantage of convenient wire arrangement, when the wire is connected, an operator pulls the limiting blocks I on the two sides by hands and then pulls the fixing frame upwards, the limiting blocks I are pulled back to the original positions by the springs I to fix the fixing frame, and then the wire passes through the mounting frame and is placed in the placement groove of the mounting frame, so that the wire is connected with the mounting frame. The wires are arranged, then the first limiting block is pulled to cancel fixation of the fixing frame, the first limiting block slides downwards to fix the wires, the wires are prevented from being