Axial high-performance fan with square mounting plate, intake nozzle, directly driven. Square mounting plate with molded nozzle made of galvanized steel plate, double painted, papyrus white color. Wheel with 7 blades made of thermoplastic. High degree of efficiency, low operating noise. Vibration-free operation thanks to dynamic balancing according to quality level G 6.3 VDI 2060 and DIN ISO 1940. Single-phase alternating current capacitor motor, closed type, maintenance-free, with thermal contacts built into the winding, variable speed through voltage reduction, sealed, low-noise ball bearings with long-term lubrication, reversible.
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