Casing
Casing manufactured from galvanised steel. 50 mm mineral wool acoustic and thermal insulation (40 kg/m3). Motors and impellers are mounted in the cover to make cleaning and maintenance easier.
Motor
Voltage controllable external rotor motors.
Impeller geometry
Radial impeller with backward curved blades.
Output control
Speed controllable via voltage reduction using a transformer.
Motor protection
Integrated thermal contacts with cables for connection to a motor protection switching device.