/ Product catalogue / Commercial and industrial ventilation / Axial fans / Inline / VKF / VKF 4D 250| Unit of measurement | VKF 4D 250 | ||
| Phases | - | 3 | |
| Minimum supply voltage | V | 400 | |
| Maximum supply voltage | V | 400 | |
| Power supply frequency | Hz | 50 | 60 |
| Rated power | W | 60 | |
| Unit current | A | 0.17 | |
| Maximum airflow | m3/h | 850 | |
| Sound pressure level LpA at 3 m | dB(A) | 38 | |
| Weight | kg | 4 | |
| Transported air temperature (max) | °С | 60 | |
| Transported air temperature (min) | °С | -30 | |
| Ingress protection rating | - | IPX4 | |
| Ingress protection rating of the drive | - | IP54 | |
| Impeller material | - | Coated steel | |
| ∅D | ∅D1 | ∅D2 | ∅d | B | L |
|---|---|---|---|---|---|
| 260 | 286 | 306 | 7 | 340 | 150 |
