Features Suitable for packaging, printing, food, electronics, instrumentation, medical equipment, clothing industry production line for speed control drive devices The controller uses high quality electronic circuit and integrated components for durability. This motor speed controller is suitable for AC220V 50/60HZ motor. Speed regulation range is 90-1400r/min 50HZ, 90-1700r/min 60HZ It has small size, high precision, wide speed controlling range, and long service life. Specifications:Power supply: AC220V50/60hzRated power: 400WEnvironment  temperature: - 10 ~ + 50℃;Relative humidity:<90%;Speed regulation range: 90-1400r/min 50HZ, 90-1700r/min 60HZWeight: 295g Wiring method:Black wire is the motor main wire, red and white are the capacitor auxiliary wires, and 2 blue wires are the speed control feedback wires, the green wire is the ground wire. Package includes:1 x Speed Controller Package List