Circuit breaker with waterproof function

The utility model discloses a circuit breaker with a waterproof function, which comprises a circuit breaker body and a waterproof shell arranged outside the circuit breaker, and is characterized in that the circuit breaker body is arranged on an installation back plate, is fixed through bolts and is provided with a wire through hole according to an installation position; the upper and lower sides of the circuit breaker body are provided with housing embedding grooves, and the left and right sides of the circuit breaker body are provided with arched waterproof strips. The waterproof shell is of a shell structure, embedded blocks are arranged on the upper side and the lower side of the shell and correspond to the embedded grooves of the shell, and the left side and the right side of the shell are flush with the protruding faces of the embedded blocks. A wear-resistant layer is arranged at the bottom of the shell embedding groove, and the joint of the embedding block and the shell embedding groove is filled with