Cam-adjusted master order controller

The utility model discloses a cam-adjusted master order controller, comprising a cam assembly and a contact composed of a contact piece and a braking component. The utility model is characterized in that the braking component which is a translation type structure is installed on the external side of an air-extinguishing cap, the air-extinguishing cap is provided with a locking window, and a frame which is connected with a touch bridge is provided with a locking hole. The corresponding direction of the locking hole is provided with a retainer, one end of the retainer which is arranged in the locking window is connected with the locking hole, and the lower side of the other end is provided with a spring, the upper part is provided with a pressing head, the pressing head body is arranged in the spring, and the tail end of the pressing head is fixedly connected with a locking bracket. The utility model has the advantages of simple structure, small volume, light weight, reliable work, sensitive and reliable line switching transition, and convenient assembly, and the mechanical service life of wearing parts is greatly improved.