... , 100-120V or 220-240V, 50/60Hz2. Centrifugal fan with external rotor motor size from 133 to 400 ... forward surve, also different size of radial fan.3. AC cooling fan from 80*80*25 to 220*220*60mm ... , 24VAC,36VAC, 100-120VAC or 220-240VAC, 50/60Hz4. DC cooling fan ... 5VDC, 12VDC,24VDC, 48VDC and other Voltage.5. Fan motor(Q motor), shaded pole motor, output from ...