/ Product catalogue / Commercial and industrial ventilation / Axial fans / Inline / VKF / VKF 2D 250| Unit of measurement | VKF 2D 250 | ||
| Connected air duct size | mm | 250 | |
| Phases | - | 3 | |
| Minimum supply voltage | V | 400 | |
| Maximum supply voltage | V | 400 | |
| Power supply frequency | Hz | 50 | 60 |
| Rated power | W | 80 | |
| Unit current | A | 0.22 | |
| Maximum airflow | m3/h | 1060 | |
| Sound pressure level LpA at 3 m | dB(A) | 51 | |
| Weight | kg | 3.9 | |
| 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 | |
| Trademark | Vents | |||||
| Model | VKF 2D 250 | |||||
| Specific energy consumption (SEC) (kWh/(m2/a)) | Cold | Average | Warm | |||
| -53.7 | A+ | -26.6 | B | -11.1 | E | |
| Type of ventilation unit | Unidirectional | |||||
| Type of drive installed | Variable speed | |||||
| Type of heat recovery system | None | |||||
| Maximum flow rate (m3/h) | 500 | |||||
| Electric power input (W) | 80 | |||||
| Reference flow rate (m3/s) | 0.097 | |||||
| Reference pressure difference (Pa) | 50 | |||||
| Specific power input (SPI) (W/(m3/h)) | 0.126 | |||||
| Control typology | Local demand control | |||||
| Maximum external leakage rates (%) | 2.7 | |||||
| Declared typology | RVU UVU | |||||
| Sound power level (dB(A)) | 60 | |||||
| The annual electricity consumption (AEC) (kWh/a) | Cold | Average | Warm | |||
| 67 | 67 | 67 | ||||
| The annual heating saved (AHS) (kWh/a) | Cold | Average | Warm | |||
| 5536 | 2830 | 1280 | ||||
| ∅D | ∅D1 | ∅D2 | ∅d | B | L |
|---|---|---|---|---|---|
| 260 | 286 | 306 | 7 | 340 | 150 |
