Dynair S-Cube Backward curved centrifugal box fans

The S-CUBE series of fans are designed for direct or ducted ventilation in any residential, commercial, or industrial building. Their unique, acoustically insulated design and backward curved impeller allow for easy installation, high efficiency, and low noise operation. Suitable for conveying clean or slightly dusty air between -15°C and +50°C in continuous service. Available in 9 different sizes.

Airflow: up to 11 000 m3/h
Max pressure rise: 740 Pa
Max operating temperature: 50 °C

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




  • Box frame made from extruded aluminium profile, with removable side panels made out of galvanized steel sheet, making for an aesthetically pleasing appearance.
  • Acoustically lined panels in self-extinguishing techno-polymer.
  • Backward curved impeller coupled directly to the B3 motor, which is fitted using a reinforced support bracket.
  • Mounting brackets with holes, suitable for lifting and easy installation.
  • Single- , or three-phase  asynchronous motors, with IP55 grade protection and class F insulation, CE marked, compliant with the following standards: IEC 60034, IEC 60072, EMC 2014/30/UE, LVD 2014/35/UE. Suitable for conitnuous „S1” service at constant load.


  • Weatherproof cover
  • Rainproof discharge outlet with guard
  • Anti-vibration supports
  • Floor support feet
  • Square or round outlet connector

Available upon request:

  • S-CUBE KAT: High temperature version, suitable for conveying gases up to +180°C in continuous operation.
  • Version with circular inlet and outlet.

For further details, feel free to contact KOMPEL Kft.