Ventilation units with interior acoustic insulation and dismountable inspection hatches.

Fan:
- Galvanised sheet steel structure with thermal and acoustic insulation.
- Fibreglass-reinforced polyamide-6 rotors.
- Ventilation units prepared for vertical or horizontal operation.
- Airflow direction from motor to impeller.

Motor:
- IE3 efficiency motors for powers equal to or greater than 0.75kW except single-phase. 2-speed and 8-pole.
- Class F motors with ball bearings and IP55 protection. except single-phase. from size 45 to 56. with IP54 protection. 1 or 2 speeds. depending on model.
- Multi voltage motor. special design valid for 220/380V 60Hz. 254/440V 60Hz. 265/460V 60Hz. 277/480V 60Hz.
- Operating temperature: -25ºC +50ºC

Finish:
- Corrosion-proof galvanised sheet steel.

On request:
- AL version rotors made of cast aluminium.
- Airflow direction from impeller to motor.
- 100% reversible impellers.
- Special windings for different voltages.