Feature: The speed control range of the motor governor is 90–1400 r/min at 50 Hz and 90–1700 r/min at 60 Hz. The controller is built with high-quality electronic components, ensuring stable and reliable performance. It offers high control accuracy and enables precise micro-control of motor speed. The product is simple to operate, allowing users to quickly learn and master its functions. Commonly used in packaging, printing, food processing, electronics, instrumentation, equipment, and garment industry production lines as a speed drive device. Specification: Product model: US-52 Compatible motor power: 300W, 400W, 500W (optional) Operating power supply: AC 220V 50/60 Hz (voltage fluctuation range ±10% Ue) Operating environment temperature: -10°C to 50°C Relative humidity: ≤90% (non-condensing)