The fans are made of galvanized steel sheet, the collars, ensuring integration with particular parts of the assembly of the same size, are made of P-20 profile.
Centrifugal rotor with motor placed inside of the rotor, protection level IP 54.
Electronic or transformer fan regulation.
Fan housing is possible in any position but the space for motor service must be provided.
Connection of the fan with a junction box located on the housing.