AC axial fan is drived by AC power supply, the rated voltage is multiple( 100V to 380V), 110V is from Japan, 115V is for north America, 220V is for China and other Asia countries like South Korea Russia Thailand, 230V is for Europe application. AC axial fan size is 80x80x25mm to 200x200x60mm, the most hot-selling mode sizes are 120x120x38mm and 172x150x51mm, they are widely used in network cabinets, white goods machines like refrigerators, welding machines, outdoor LED light billboard...etc.