Centrifugal in-line fan - Duct fan 125mm 390m³/h RRK 125

Centrifugal in-line fan - Duct fan 125mm 390m³/h RRK 125 – Helios – 05974 – 4010184059745: Radial duct fan RRK 125 Material of the housing plastic, unloaded air volume 390m³/h, supply voltage 230V, power consumption 0.042kW, with thermal protection, electrical connection terminals, protection class (IP) IP44, max. air temperature 70°C, suitable for electronic control, suitable for transformer control, length 220mm, housing diameter 245mm, duct diameter 125mm, flange connection, centrifugal duct fan RADAX RR for direct installation in the duct system. Housing made of impact-resistant plastic with round connection sockets tailored to standard pipes. High-performance radial impeller with backward-curved plastic blades. Vibration-free operation thanks to dynamic balancing according to quality level G 6.3 VDI 2060 and DIN ISO 1940. Drive: Single-phase AC external rotor motor, built-in thermal contacts wired in series with the winding, closed design, maintenance-free, sealed, low-noise ball bearings with long-term lubrication.