Thông số kỹ thuật servo motor Allen bradley: This low rotor inertia servo made by Rockwell is a 3000 rpm rated motor. Also, this AC servo motor is a 165 mm frame size motor. This low rotor inertia AC servo motor doesn’t have a no shaft key and no shaft seal included on the servo. This MPL motor can be connected by circular bayonet forward facing cable connectors which are included on this brushless servo motor. In addition, it comes with a length of 4 in. and a multi-turn (hyperface protocol) feedback built in.