Helios Ventilatoren 05509 Radial extractor 1409 m³/h 250 mm

Cubic ventilation box with low-loss pipe connection nozzle on the pressure and suction side including flexible sleeves for avoiding structure-borne sound and variably adjustable casing panels for an optimum adaptation to the structural conditions. Easy positioning with the standard crane hook. Self-supporting housing frame construction made of aluminum hollow profiles. Double-walled, 20 mm thick side panels made of galvanized steel plate, sound-and heat-insulated through lining with non-combustible mineral wool. The housing panels can be replaced as desired by accessories such as weather protection grid and condensation tank. Other accessories, wall bracket and rain-proof roof for the desired mounting can be mounted inside and outside. High-performance radial impeller made of steel with backward curved blades on galvanized steel disc , directly driven. Vibration-free operation by dynamic balancing together with the motor according to quality class 6.3 according to DIN ISO 1940 T.1 Drive by single-phase alternating current-external rotor motor, closed, maintenance-free construction, speed controlled by voltage reduction, built-in thermal contacts wired in series with the winding, self-resetting, sealed, low-noise ball bearings with long-term lubrication. Mains connection on the terminal box (IP54) integrated in the device.

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