AKSE 500-4K.5HA

The casings of high efficiency axial fans are made of galvanized sheet steel and are plastic coated. The high efficiency axial fans have aerodynamically profiled blades. The blades are made of galvanized sheet metal, and are mounted directly 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 Rosenberg fans are equipped with direct driven external rotor motors. External rotor motors have extremely low starting current. The windings comply to isolation class F. In addition the windings have a standard moisture impregnation. All our fans have motor protection through thermal contacts in the motor windings as standard. The motors apply to protection class IP44/IP54.