Electric activator

An object of the utility model is to provide an electric activator who facilitates the use, its technical scheme are including casing, hand wheel, hand wheel lid and motor, and the hand wheel sets up in one side of casing to run through in the inside and the outside of casing, wherein the one end of casing outside the hand wheel is in the casing is provided with the hand wheel lid, and the motor sets up in the casing, its characterized in that: the hand wheel lid rotates to be connected on the casing, and the inside one end of the relative casing of hand wheel lid is connected with in its control that is the interlock state, the motor sets up in the one side that is close to the hand wheel lid, and is provided with the micro -gap switch of its on off state of control on the motor, micro -gap switch pass through its on off state of control, the utility model discloses only need direct turn -off hand wheel lid, utilize the interlock control of hand wheel lid for micro -gap switch is in the closed condition, and that motor just is in cold state naturally, can carry out manually operation with regard to direct, and loaded down with trivial details operation among the relative prior art is obviously more simple and convenient, more facilitates the use.