An action output device for a micro breaker, connecting with more than one micro breaker, includes: a shell, the shell comprises: a motor, which is for outputting a torque; an action unit, which is for achieving switching the micro breaker on and off, comprising a rotating part, a poking part, and a linking piece, wherein, the torque outputted by the motor is got by the rotating part; the linking piece is drove to swing by the poking part; the linking piece is connected with an action mechanism of the micro breaker for driving to switch on and off; and a control unit, which controls the motor turning on and off.