A Circuit Breaker, Comprising A Casing, And A Solid-state Circuit Module Is Arranged in The Casing

. In order to solve the problems existing in the prior art, the purpose of the present invention is to provide a circuit breaker.

5. the present invention provides following technical scheme:

6. A circuit breaker, comprising a housing, a solid-state circuit module is arranged in the housing, and one side of the solid-state circuit module along the first direction is provided with an incoming line end, and the other side is provided with a mechanical switch, an operating mechanism, release and load end;

7. The mechanical switch is connected in series with the solid-state circuit module, the operating mechanism is located on the side of the mechanical switch that faces away from the solid-state circuit module, and the operating mechanism comprises an elongated strip along the first direction A four-bar linkage assembly is provided, the release and the load end are located on the same side of the four-bar linkage assembly along the second direction, and the load end is located on the trip unit away from the solid state circuit module side;

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