/ Product catalogue / Commercial and industrial ventilation / Axial fans / Inline / VKF / VKF 4D 550| Unit of measurement | VKF 4D 550 | |
| Connected air duct size | mm | 550 |
| Phases | - | 3 |
| Minimum supply voltage | V | 400 |
| Maximum supply voltage | V | 400 |
| Power supply frequency | Hz | 50 |
| Rated power | W | 750 |
| Unit current | A | 1.5 |
| Maximum airflow | m³/h | 9700 |
| Rotation speed at 50hz | - | 1350 |
| Sound pressure level LpA at 3 m | dB(A) | 64 |
| Weight | kg | 13.9 |
| 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 |
|---|---|---|---|---|---|
| 565 | 605 | 636 | 11.5 | 660 | 230 |
