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. Drive with energy-saving, speed-controllable EC external rotor motor with the highest efficiency and protection class IP55. Maintenance-free and radio interference-free, ball bearing mounted. Integrated electronic temperature monitoring for EC motor and electronics. If the maximum permissible temperatures are exceeded, the speed and power are automatically adjusted. Supplied as standard with two push buttons for setting the control voltage and thus any fan speed between min. and max. speed. Continuous speed control with potentiometer or continuous speed control with universal control system. Connection via standard terminal box (IP55) on the outside of the motor.