Ace Stir Motor Controller, model 13530-10 is manufactured by Ace Glass. This product is rated at 1 HP and can be used in most stirrer motors. Not suitable for parallel wound DC motors. Compact, lightweight, solid-state control unit that can be mounted on a ring bracket, including AC and DC power outlets. Compared with step-down devices such as rheostat or transformer, pulsed AC can provide better low-speed torque.