HRFD 710/8/4 0,5/2,0 kW
HRFD 710/8/4 0,5/2,0 kW
High efficiency axial fan 3-ph., pole-switching, Dahlander windings air flow direction "B"
Ref.-No. 06942
Features
High efficiency axial fan with cylindrical duct with flanges on both ends, directly driven. 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. Highly efficient, profiled impeller with 7 blades, dynamically balanced (Class G 6.3 to VDI 2060) and manufactured from impact resistant polymers. Suitable for -30°C to +60°C. Totally enclosed, 3-phase squirrel cage motor, 2-speed (pole switching with Dahlander windings). Maintenance free with low-noise sealed for life ball bearings.Additional data and accessories
Technical Data
General Information
| Ref.-No.: | 06942 |
|---|---|
| Type: | HRFD 710/8/4 0,5/2,0 kW |
| Angle adjustable: | 23 |
| Flow rate free-blowing: | 22090 m³/h |
| RPM: | 685/1430 min-1 |
| Number of poles: | 8 / 4 |
| Voltage: | 400 / 400 V , 3 W , 50 ph |
| Rated current (FLC) uncontrolled: | 2.05/4.7 A |
| Nominal power: | 500/2000 W |
| Max. air flow temperature: | 40 °C |
| IP protection category: | 55 |
| Insulation class: | F |
| PRODUCT_DETAILPAGE_wheel_diameter: | 710 |
| Weight: | 67 kg |
| Wiring diagram no.: | 471 |