Channel-radial fan with forward curved impeller blades, for direct mounting in rectangular duct system. Motor impeller unit can be swiveled out. Housing made of galvanized sheet steel with channel flange profiles standardized on both sides, space-saving design, service-friendly through swiveling motor impeller unit. Forward-curved drum impeller made of galvanized steel, good efficiency, low noise, aerodynamically optimized spiral housing, inlet via nozzle. Impeller motor unit dynamically balanced. Drive: Maintenance-free single-phase AC external rotor motor, closed design, built-in thermal contacts wired in series with the winding (self-resetting), speed adjustable by means of 5-stage transformer or electronically (continuously variable), winding with moisture protection impregnation, sealed, low-noise ball bearings with long-term lubrication. Mains connection to pre-assembled terminal box (IP44).
This text is machine translated.