B VARD 280/4/2 F 300
B VARD 280/4/2 F 300
HIGH TEMPERATURE MIXED-FLOW FAN 3-PH, 300°C/120 MIN., 2-speed, Dahlander winding 1450/2850 RPM, 0,21/1,06 KW
Ref.-No. 02301
Features
High pressure smoke extract fan, temperature class F 300 to DIN 12101 part 3. 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 aluminium. 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.: | 02301 |
|---|---|
| Type: | B VARD 280/4/2 F 300 |
| Flow rate free-blowing: | 3700 m³/h |
| RPM: | 1390/2810 min-1 |
| Number of poles: | 4 / 2 |
| Voltage: | 400 / 400 V , 3 W , 50 ph |
| Rated current (FLC) uncontrolled: | 0.75/2.41 A |
| Nominal power: | 250/1100 W |
| Max. air flow temperature: | 40 °C |
| Temperature class: | F300 |
| IP protection category: | 54 |
| Insulation class: | H |
| PRODUCT_DETAILPAGE_wheel_diameter: | 280 |
| Weight: | 24 kg |
| Wiring diagram no.: | 777 |