Dynair AC-A/AC-B ring axial fans

The AC series of fans are suitable for direct ventilation of residential, commercial, or industrial buildings.  They can optionally be equipped with square-shaped mounting brackets(available in sizes 710-1250), and converted into a wall-mounted fan (like the QC series).

The AC series features two versions: the AC-A with a rounded, cone-shaped inlet , and the AC-B with rounded, cone-shaped inlet and outlet sides. They are designed for clean air, with temperatures ranging from -15°C to 50°C. The optimized inlet cone reduces noise levels, and increases the efficiency of the device.

This product complies with the European Union’s ecodesign directive.
ErP Directive compliant fans




  • Ring frame made from steel sheet. AC-A with round, cone-shaped inlet, AC-B with round, cone-shaped inlet and outlet sides. Protected against the elements by epoxy paint.
  • Axial impeller with aerofoil profile blades, made from reinforced plastic, with a die-cast aluminium hub, balanced according to ISO 1940 standards.
  • Impeller coupled directly to motor, airflow from motor to impeller.
  • Inlet protection guard made out of drawn steel rods, welded directly to the frame, compliant with UNI 12499 standards.
  • Asynchronous single- or three-phase motor, CE marked, with IP55 grade protection and Class F insulation, all compliant with the following standards: IEC 60034, IEC 60072, EMC 2004/108/CE, LVD 2006/95/CE.


  • Impeller side protection guard (CCr), compliant with UNI 12499 standards (only available for AC-B models).
  • Square-shaped wall mount made out of steel sheet, coated in epoxy.

Available upon request:

  • Aluminium impeller blades.
  • Reversed airflow(from impeller to motor)- only available for AC-B versions.

For further details, feel free to contact KOMPEL Kft.