Circuit breaker capable of controlling triggering alarm stroke

The embodiment of the utility model provides a circuit breaker capable of controlling and triggering an alarm stroke. The circuit breaker comprises a base, and a multi-pole thermal overload element, a multi-pole pull rod and an overload alarm non-tripping device which are arranged in the base, the overload alarm non-tripping device comprises a rotating member seat, a rotating member, an adjustable touch member and a switch element. The rotating piece seat is mounted on the base; one end of the pull rod of each pole is connected with the thermal overload element, and the other end of the pull rod is linked with the rotating member; the rotating member is rotatably connected to the rotating member seat and is arranged corresponding to the multi-pole pull rod, any one pole thermal overload element can drive the rotating member to act after elastic deformation, the overload alarm non-tripping device is simple in structure, and the assembly efficiency is improved; and the adjustable touch piece is arranged on the