UNO 80/560-G.6IF

The housing supporting frames are double chamber aluminum profiles with corners made of plastic and double skinned (20mm) galvanized steel panels insulated with non-inflammable, noise and temperature insulating fiberglass mats. One side of the casing is open as standard. Impellers made of sheet aluminum (ALMg3) The backward curved impellers are directly mounted to the rotor of the external rotor motor and are balanced dynamically together with the rotor according to quality level G2.5/G6.3 DIN ISO 21940-11. All fans are equipped with direct driven external rotor EC motors. All our fans have motor protection through thermal contacts in the motor windings as standard. The motors apply to protection class IP54. The speed of the motors is step less adjustable and haven an integrated motor protection which is displayed over an alarm relays.