Product name: Gear AC Motor. Rated voltage: AC 220V. Power Phase: Single-phase Motor. Product List: Motor(No Capacitor), Motor+Governor, Brake Motor+Governor, 380V Constant Speed Motor, Motor+Capacitor(Fixed Speed), Motor+Governor+Bracket. Features: Adjustable Speed / Forward / Reverse / Reduction. Gearbox Reduction Ratio:1/3/5/6/7.5/10/12.5/15/20/25/30/40/50/60/75/100/150/180/300/500. 40W Gear Motor Output Speed: 0-1250RPM, 0-450RPM, 0-270RPM, 0-225RPM, 0-180RPM, 0-135RPM, 0-108RPM, 0-90RPM, 0-67RPM, 0-54RPM, 0-45RPM, 0-33RPM, 0-27RPM, 0-22RPM, 0-18RPM, 0-13.5RPM, 0-9RPM, 0-7.5RPM, 0-4.5RPM, 0-2.7RPM. Before purchasing the motor, first determine the speed of one minute, and select the closest speed in our reduction ratio selection table. When the speed-regulated motor is no-load, the motor can be steplessly adjusted, and the speed can be adjusted from the maximum speed to 0, but after the motor is equipped with equipment and loaded. Please pay special attention. The load is small and the motor does not work continuously for a long time, the governor should not be less than 50% of full speed. The load is large and the motor works continuously for a long time, the governor should not be less than 70% of full speed. According to your choice. Please list your special requests color, packages, etc. (15-35 Days to Delivered). Please contact me before you return it. Not accept returning of electronic components. Feedback is very important to us.