1. This intelligent AC motor governor is suitable for 6-400W mini power gear motors. 2. Features soft start for smooth motor startup. 3. The speed controller allows stopping or restarting the motor during operation. 4. LED screen display provides clear and intuitive readings. 5. Offers accurate speed control with stable performance. Model: ux-52 Type: Motor Governor Input voltage: 220VAC Output voltage: 220V Operating voltage range: -10% ~ +10% Power frequency: 50/60Hz, tolerance less than or equal to -2%~+2% Motor output: 6/15/25/40/60/90/120/150/180/200/250/400W Speed adjustment range: 90-1400 rpm Speed change rate: 1% Steady speed accuracy: 1% Suitable motor: 6-500W gear motor Speed setting: Continuous Soft stop/start: Yes Display mode: Digital display Operation mode: Manual precision Installation dimension: 53*81mm / 2.09*3.19 inches Color: Black Material: Metal + Plastic Package List: 1 x Digital Motor Governor Note: Light shooting and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowance is +/- 1-3cm.