Name: geared ac motor. Rated voltage: AC 220 V. Shaft diameter: 22 mm. Power Phase: single-phase motor. Product List: Motor + Controller +Gear Box. Features: Adjustable speed / forward / reverse / Reduction. Speed Ratio 1:3 0-470 RPM/MIN. Speed Ratio 1:3.6 0-390 RPM/MIN. Speed Ratio 1:5 0-280 RPM/MIN. Speed Ratio 1:6 0-233 RPM/MIN. Speed Ratio 1:7.5 0-186 RPM/MIN. Speed Ratio 1:9 0-155 RPM/MIN. Speed Ratio 1:10 0-140 RPM/MIN. Speed Ratio 1:12.5 0-112 RPM/MIN. Speed Ratio 1:15 0-93 RPM/MIN. Speed Ratio 1:18 0-78 RPM/MIN. Speed Ratio 1:20 0-70 RPM/MIN. Speed Ratio 1:25 0-56 RPM/MIN. Speed Ratio 1:30 0-48 RPM/MIN. Speed Ratio 1:36 0-38 RPM/MIN. Speed Ratio 1:40 0-35 RPM/MIN. Speed Ratio 1:50 0-28 RPM/MIN. Speed Ratio 1:60 0-23 RPM/MIN. Speed Ratio 1:75 0-18 RPM/MIN. Speed Ratio 1:90 0-15 RPM/MIN. Speed Ratio 1:100 0-14 RPM/MIN. Speed Ratio 1:120 0-11 RPM/MIN. Speed Ratio 1:150 0-9 RPM/MIN. Speed Ratio 1:180 0-8 RPM/MIN. Speed Ratio 1:200 0-7 RPM/MIN. Speed Ratio 1:250 0-6 RPM/MIN. Speed Ratio 1:300 0-5 RPM/MIN. The need for different reduction ratio of customers please note and message. The load is relatively small and the motor does not work continuously for a long time, the governor shall not be less than 50% of the full speed. The load is relatively large and the motor works continuously for a long time, the governor shall not be less than 70% of the full speed. There are NO EXCEPTIONS! OR, you may choose to have a replacement. We will reply you ASAP. Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem you have. Our customer-oriented service strives for. Business time: GMT8 (9:00-18:00) from Monday to Friday.