Circular duct fans with EC motors and circular duct connection for supply and extract air.
Casing from galvanised steel. Cover with 40 mm mineral wool acoustic and thermal insulation.
Energy-saving, highly effi cient EC external rotor motors.
Radial impeller with forward curved blades.
From size 200 and up with backward curved blades.
100 % controllable via a 0-10 V signal. The fans are equipped with a potentiometer (0-10 V). This is installed in the terminal box and preset to 10 V (factory setting). The speed can be easily adjusted should the installation require a different operating point.
The motor protection is integrated in the motor electronics.