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.
- Motor-rotor air flow direction.

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.
- Single-phase 230V-50Hz and three-phase 230/400V-50Hz (up to 4kW) and 400/690V-50Hz (powers greater than 4kW).
- Operating temperature: -25ºC +50ºC

Finish:
- Anticorrosive galvanised sheet steel.

On request:
- AL version rotors made of cast aluminium.
- Motor-rotor air flow direction.
- Rotors 100% reversible.
- Special windings for different voltages.