HQD 250/4/2
HQD 250/4/2
High efficiency axial fan 3-ph., pole-switching, Dahlander windings with safety guard guard
Ref.-No. 01128
Features
Square plate high efficiency axial fan with inlet cone, directly driven. Square mounting plate with drawn bell mouth inlet and duct in galvanised sheet-steel and finished with two coats of paint. Highly efficient, profiled blade impeller from polymers, aerodynamically optimised to the application, dynamically balanced. 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.: | 01128 |
|---|---|
| Type: | HQD 250/4/2 |
| Flow rate free-blowing: | 2110 m³/h |
| RPM: | 1430 / 2770 min-1 |
| Number of poles: | 4 / 2 |
| Voltage: | 400 / 400 V , 3 ph , 50 Hz |
| Rated current (FLC) uncontrolled: | 0.16 / 0.43 A |
| Nominal power: | 58 / 212W |
| Max. air flow temperature (uncontrolled): | 60 °C |
| IP protection category: | 55 |
| Insulation class: | B |
| PRODUCT_DETAILPAGE_wheel_diameter: | 250 mm |
| Weight: | 8.5 kg |
| Wiring diagram no.: | 472 |