/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round ducts / VK Duo / VK 250 Duo R1V
| Unit of measurement | VK 250 Duo R1V | ||
| Connected air duct size | mm | 250 | |
| Speed | - | 1 | 2 |
| Minimum supply voltage | V | 230 | |
| Maximum supply voltage | V | 230 | |
| Power supply frequency | Hz | 50 | |
| Rated power | W | 147 | 176 |
| Unit current | A | 0.66 | 0.76 |
| Maximum airflow | m3/h | 642 | 1126 |
| Sound pressure level LpA at 3 m | dB(A) | 37 | 46 |
| Weight | kg | 4.3 | |
| Transported air temperature (max) | °С | 55 | |
| Transported air temperature (min) | °С | -25 | |
| Ingress protection rating | - | IPX4 | |
| ØD | ØD1 | B | L | L1 | L2 | L3 |
|---|---|---|---|---|---|---|
| 250 | 340 | 354 | 265 | 30 | 30 | 40 |
