This utility model discloses an electrical switch device and a power converter. The electrical switch device includes a switch device body and an auxiliary actuating mechanism. The auxiliary actuating mechanism includes a rotating shaft mounting bracket, a switch lever, and a rotating actuating shaft. A support base is mounted on the bottom of the rotating shaft mounting bracket. The rotating actuating shaft includes a central column, with a top end rotating column and a bottom end rotating column connected to its top and bottom, respectively. The bottom and top surfaces of the top end rotating column are respectively provided with a lever limiting ring and a tool drive notch. The switch lever has a lever limiting drive hole that matches the lever limiting ring, and the lever limiting ring is inserted into the lever limiting drive hole. This utility model offers high safety, reduces operator effort, improves user experience, has a simple structure, is flexible and efficient in use, has a wide range of applications, and is low in cost.
