Self supporting aluminium frame construction with highly impact resistant PA6 corners. 20 mm glass wool acoustic and thermal insulation.
Depending on the version, equipped with voltage controllable external rotor motors or frequency inverter controllable IE2 standard motors.
Radial impeller with backward curved blades.
Depending on the version, output control via transformer, star-delta switching or frequency inverter is possible.
Integrated thermal contacts with cables for connection to a motor protection switching device. The IE2 motors are equipped with PTC thermistors with cables for connection to a motor protection switching device.