Molded case circuit breaker with moving contact limiting function

The utility model relates to a molded case circuit breaker with moving contact limiting, which comprises a shell, a handle mechanism, an operating mechanism, a contact mechanism and an arc extinguishing mechanism are arranged in the shell, the contact mechanism comprises a moving contact, the operating mechanism comprises a jump pin, the jump pin comprises a left mounting plate, a right mounting plate and a rear connecting plate, the rear connecting plate is connected with the left mounting plate and the right mounting plate in a U shape, and the arc extinguishing mechanism is connected with the left mounting plate and the right mounting plate. The upper end of the rear connecting plate is provided with a bending part, the bending part is provided with a through hole, and the moving contact is connected with the rear connecting plate through the through hole arranged on the bending part. The moving contact has the advantages of being simple in structure and reducing deformation of the moving contact. 本实用新型涉及一