Features

Acoustically insulated EC-centrifugal fan with swing out motor and impeller unit and with motor out of the air stream. Double-walled housing made of galvanised sheet steel, soundproof with 30 mm thick mineral wool insulation panels. Suction and pressure-side pipe connection nozzles with rubber lip seals matched to standard diameter. Fan door can be swung out fully for inspection and cleaning. Incl. sturdy mounting rails with four vibration absorbers. With condensate drain and drip protection when door is open as standard. Backward curved high output centrifugal impeller, made from galvanised steel, mounted directly to the motor shaft. High efficiency, low noise level. Dynamically balanced to DIN ISO 1940 Pt.1 - class 6.3. Energy-saving, speed controllable EC-internal rotor motor with highest efficiency, protection to IP 55. With ball bearings, maintenance-free and radio suppressed. Integrated electronic temperature monitoring for EC-motor and electronics. In the event that the maximum permitted motor temperature is exceeded an automatic speed reduction takes place. Stepless speed control with potentiometer or universal control system. Terminal box (IP 55) fitted externally on the motor.