The UX-52 intelligent AC Speed Controller is suitable for micro power gear reduction motor motors. The product has a soft start function and a smart button control system, and the front side can be interchanged with positive and negative. User-friendly, more stable performance, more precise drive, and it also has the ability to pause and re-drive during the transition process Features: 1. The UX-52 intelligent AC speed controller is suitable for micro power gear reduction motor motors. 2. The product has a soft start function and a smart button control system. 3. The front side can be interchanged with positive and negative. 4. User-friendly, more stable performance, more precise drive. 5. It also has the ability to pause and re-drive during the transition process. Specification: Type Speed Controller Model UX-52 Input voltage 220VAC Output voltage 220V Adapted motor power 6W/25W/40W/60W/90W/120W/180W/200W/250W/300W (optional) Speed range 90-1400rpm Smart button control system Yes Soft stop / start Yes Display mode Digital display Operating voltage range -10% to +10% Power frequency 50/60hz ≤-2%~+2% Speed setting Continuous Speed change rate 1% Steady speed accuracy 1% Mode of operation Manual precision type Scope of application Microcomputer gear reducer motor Installation size Approx. 53 * 81mm / 2.1 * 3.2in Package list: 1 * Motor Speed Controller Note: 1. Please allow 1-2mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1、The UX-52 intelligent AC speed controller is suitable for micro power gear reduction motor motors. 2、The product has a soft start function and a smart button control system. 3、The front side can be interchanged with positive and negative. 4、User-friendly, more stable performance, more precise drive. 5、It also has the ability to pause and re-drive during the transition process.