... Description 1. Axial fan with external rotor motor size from 200 to 710mm, 100-120V or 220-240V, 50/60Hz2. Centrifugal fan with external rotor ... motor size from 133 to 400 include of backward surve and forward surve, also different size of radial fan ... *220*60mm, 5VDC, 12VDC,24VDC, 48VDC and other Voltage.5. Fan motor(Q motor), shaded pole motor, output from 3Watt to ...