Limiting mechanism on simple residual-current circuit breaker

The utility model discloses a simple limiting mechanism on a residual-current circuit breaker. The device comprises a right side plate, a first limiting piece, an auxiliary limiting piece, a coil, a fixing piece, a left side plate, a rotating head, a reset spring, a second limiting piece and a second fixing piece. A first limiting sheet is arranged on the right side plate; an auxiliary limiting sheet is arranged at the tail end of the first limiting sheet; a coil is arranged on the right side plate; the coil is fixedly connected with the right side plate through a fixing sheet; a rotating headis arranged between the right side plate and the left side plate; a reset spring is arranged on one side of the rotating head; according to the technical scheme, the limiting mechanism on the simpleand convenient residual-current circuit breaker overcomes the defects in the prior art, and is reasonable in design, convenient to use, small in size, free of space occupation, simple in structure andlow in manufacturing cost.