/ Product catalogue / Commercial and industrial ventilation / Roof fans / Centrifugal / VKV / VKV 4E 250| Unit of measurement | VKV 4E 250 | |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50 |
| Rated power | W | 48 |
| Unit current | A | 0.23 |
| Maximum airflow | m3/h | 820 |
| Sound pressure level LpA at 3 m | dB(A) | 46 |
| Weight | kg | 12.1 |
| Transported air temperature (max) | °С | 50 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| A | B | C | ∅D |
|---|---|---|---|
| 481 | 425 | 240 | 285 |
