VARD 250/4/2 TK
VARD 250/4/2 TK
IN-LINE MIXED-FLOW FAN 250 MM 3 PH, POLE SWITCHING DAHLANDER
Ref.-No. 06773
Features
High pressure in-line mixed-flow fan, cylindrical duct with flanges on both ends, direct driven. Cylindrical pre-galvanised sheet-steel casing with a rolled flange at both ends Dimensions and flange fixing holes to DIN 24155, page 2. With guide vanes for improved performance. Mixed flow impeller with 8 spatially curved blades made from impact resistant polymers. Dynamically balanced to class G 6.3 VDI 20060 and DIN ISO 1940. 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.: | 06773 |
|---|---|
| Type: | VARD 250/4/2 TK |
| Flow rate free-blowing: | 2400 m³/h |
| Speed control: | TRAFO / ELECTRIC |
| RPM: | 1425/2750 min-1 |
| Number of poles: | 4 / 2 |
| Voltage: | 400 / 400 V , 3 W , 50 ph |
| Rated current (FLC) uncontrolled: | 0.24/0.94 A |
| Nominal power: | 75/490 W |
| Max. air flow temperature (uncontrolled): | 60 °C |
| IP protection category: | 54 |
| Insulation class: | B |
| PRODUCT_DETAILPAGE_wheel_diameter: | 250 |
| Weight: | 13 kg |
| Wiring diagram no.: | 472 |