| Unit of measurement | OVK 4D 250 | |
| Connected air duct size | mm | 250 |
| 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 | 3.4 |
| Transported air temperature (max) | °С | 60 |
| Transported air temperature (min) | °С | -30 |
| Ingress protection rating | - | IP24 |
| ∅D | ∅D1 | ∅D2 | ∅d | L |
|---|---|---|---|---|
| 260 | 318 | 340 | 7 | 135 |
