ITEM NAME:AC 220V Motor Speed Controller Pinpoint Controller Forward Backward (300W) A#S Product Description Description: Features: 1. The governor has 6 wires, the black wire is the motor main wire, the red and white are the capacitor secondary lines, and the 2 blue lines are the speed feedback line. The green line is the ground line. 2. Widely used in packaging, printing, food, electronics, instrumentation, medical equipment, garment industry production line to do speed control drive. Specifications: Working power supply: AC220V 50/60HZ Voltage fluctuation range:  ±10% Ue Rated power: 300W Use environment: -10~+50 °C Relative humidity: less than 90% Speed range: 90-1400r/min 50HZ, 90-1700r/min 60HZ Port: 3.96 Dimensions: 115*100*60mm/4.52*3.93*2.36'' Panel size: 100*60mm/3.93*2.36'' Machine depth: 87*80*52mm/3.42*3.14*2.04'' Notes: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 x Motor Speed Controller.Rated power: 300W. The green line is the ground line. Speed range: 90-1400r/min 50HZ, 90-1700r/min 60HZ. Relative humidity: less than 90%. Port: 3.96. Machine depth: 87 80 52mm/3.42 3.14 2.04". Due to the different display and different light, the picture may not show the actual color of the item.