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. High-performance centrifugal impeller with backward-curved aluminium blades, mounted directly on the motor shaft. Energy efficient, low noise emission. Vibration-free running through dynamic balancing in accordance with quality level G 6.3 VDI 2060 and DIN ISO 1940. 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.