/ Product catalogue / Commercial and industrial ventilation / Roof fans / Centrifugal / VKH / VKH 4E 250
| Unit of measurement | VKH 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 |
| H | H1 | A | B | C | Ød | ØD |
|---|---|---|---|---|---|---|
| 237 | 244 | 451 | 450 | 330 | 11 | 285 |
