This kind of fans used the brushless dc motor without hall sensors. They can be used in bus air conditioner, radiator and cooling system.
1. Voltage: 12V, 24V. 2. Current: 5.5A, 2.9A. 3. Speed: 2800RPM, 3300RPM. 4. Power: 60W, 80W. 5. Air volume: 750m3/h, 850m3/h@100Pa. 6. Speed regulating voltage: +5~+11VDC. 7. Curved blades and straight blades. 8. Pull type and push type.