Description: This motor speed controller is suitable for AC220V 50/60HZ motor. Speed regulation range is 90-1400r/min 50HZ, 90-1700r/min 60HZ. Suitable for packaging, printing, food, electronics, instrumentation, equipment, clothing industry production line for speed control drive devices. The controller uses high quality electronic circuit and integrated components for durability. It has small size, high precision, wide speed controlling range, and long service life. Specifications: Power supply:AC220V50/60hz Rated power: 400W Environment temperature: - 10 ~ + 50Celsius; Relative humidity:<90%; Speed regulation range: 90-1400r/min 50HZ, 90-1700r/min 60HZ Weight: 295g Wiring method: Black wire is the motormain wire, red and white are the capacitor auxiliary wires, and 2 blue wires are the speed control for feedback wires, the green wire is the ground wire. Size: 11.3x10x6cm/4.45x3.94x2.36 inch Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping! Package included: 1 x Speed Controller