Axial fan, External rotor motor, outside rotor air blower AXIAL FAN with external rotor motors: ... , 500mm, 560mm, 630mm3) 2, 4 or 6 poles4) Single-phase or three-phase5) Suction or blowing type 6) Speed: 1,360 / 1 ... be multi-speedOur main product including Axial Fan Motor, Condenser Fan Motor, Shaded Pole Motor, Cross Flow Fans, AC fan, DC fan and ...