Channel radial fan with reverse curved blades for direct mounting in rectangular duct system, fan unit can be swiveled out. Casing made of zinc-plated sheet steel with standardized channel flange profiles on both sides, space-saving design, service-friendly by swinging motor impeller unit, additional locking of the swivel unit from BG 450. High-power radial impeller with backward curved blades made of plastic and galvanized steel. Vibration-free operation due to dynamic balancing according to quality level G 6.3 DIN ISO 1940 T.1. Drive: Three-phase external rotor motor, built-in thermal contacts led out on clamping board, closed design, speed can be controlled by means of 5-step transformer or electronically (continuously variable) as well as control by means of Helios frequency converter with all-pin sine filter is possible, winding with moisture protection impregnation, maintenance-free, sealed, low-noise ball bearings with long-term lubrication. Mains connection at pre-mounted terminal box (IP54).
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