Duct fan AVD RK 710/4

axialextraction230VAC

High efficiency axial fan with cylindrical duct with spigot ends and not adjustable pitch angle at standstill, directly driven, explosion proof according to ATEX. Short cylindrical casing in galvanised sheet steel covering impeller (motor protrudes at rear) with two flanges on both ends. Dimensions and flange fixing holes to DIN 24155. High efficient, profiled impeller with 7 blades, dynamically balanced to DIN ISO 1940 and VDI 2060 class 6.3, manufactured from impact resistant anti static polymers. Suitable for -30°C to +40°C. Electrical resistance of less than 1 Ohm. Totally enclosed, maintenance free 3-phase squirrel cage motor, low noise sealed for life ball bearings, not controllable. Explosion proof execution according to ATEX. Number of poles: - 4 Voltage: - 400 V , 3 ph , 50 Hz Rated current (FLC) uncontrolled: - 4.9 A Nominal power: - 2200 W Max. air flow temperature: - 40 °C Explosion proof: - IP protection category: - 54 Insulation class: - B