QB Range

QB Series – Energy-Efficient

Environmentally friendly fans

ACI’s QB EC Range of energy-efficient fans are equipped with EC Technology – energy-saving motors with electronic control ensuring optimal efficiency.

Overview – Energy Efficient FansExample Data Sheet





If you would like to discuss the suitability of this fan for your application, please contact us.


Key Performance Figures:

  • Flow rates up to 1400m3/hr (824CFM)
  • Pressures up to 3.75in.Swg (933Pa)
  • Intelligent motor driven impellers for closed loop control
  • Superior operating efficiency up to 85% for single phase motors
  • Can be directly set-up to respond to heat, pressure and humidity inputs via relevant sensors
  • Compact and quiet
  • Long service life due to small heat losses
  • Easy to control with 0-10V DC or PWM signal
  • All control and protection electronics are integrated in the motor with easy connection

Typical Applications:

Need more information? Contact us to speak to a member of our Technical Sales team.

Performance Curve

The illustrated curves are for 240V 1Ph 50Hz and for selection purposes only.  For full performance details, please click through to the specific data sheets using the links above.

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