RS - Tube fan Voltage controllable

Duct fan for ventilation networks with a compact galvanized steel casing and sound-absorbing lining. Designed for easy duct mounting with 20 mm standard flanges and supports both horizontal and vertical installation. Equipped with a backward-curved impeller on an external rotor, dynamically balanced to G6.3 (DIN/ISO 1940) standards. The swing-out fan section allows easy cleaning, making it suitable for slightly polluted air. Features a closed motor design with maintenance-free, lifetime-lubricated ball bearings. Integrated thermal contact protection wired internally in series. Electrical connection via a casing-mounted terminal box.