Miniature circuit breaker

The utility model relates to the technical field of electrical elements, in particular to a miniature circuit breaker, and aims to solve the technical problems of complex structure and cumbersome layout of a double-breakpoint miniature circuit breaker in the prior art. According to the scheme, the device comprises a shell; the moving contact assembly is located on the lower portion of the shell, the moving contact frame is rotationally installed on the shell, and the two moving contacts are installed on the left side and the right side of the moving contact frame respectively; the two static contacts are suitable for being matched with the moving contacts to achieve on-off of the circuit breaker, and the static contacts are fixed in the shell and located on the sides, away from the moving contact frame, of the moving contacts; the two wiring terminals are both fixed on the shell, and the wiring terminals are located on the side, away from the moving contact, of the static contact and connected with the static