Helios Radial In-line Fan, 1-PH RR 100 C

Radial in-line duct fan with 2 speed settings for direct installation in the duct system. For conveying medium and small air volumes against high resistances. Housing made of galvanized sheet steel with round connection spigots matched to standard pipes. Radial impeller with backward-curved blades made of plastic. Pressed directly onto the motor and dynamically balanced as a unit. Low noise, high efficiency. Single-phase AC external rotor motor, enclosed design, maintenance-free, built-in thermal contacts, sealed, low-noise ball bearings with long-term lubrication. Power control: via electronic controller or step transformer or two-stage operation with type DS 2/2 (accessory, item no.: 1267).