/ Product catalogue / Commercial and industrial ventilation / Axial fans / Inline / VKF / VKF 4D 350| Unit of measurement | VKF 4D 350 | ||
| Connected air duct size | mm | 350 | |
| Phases | - | 3 | |
| Minimum supply voltage | V | 400 | |
| Maximum supply voltage | V | 400 | |
| Power supply frequency | Hz | 50 | 60 |
| Rated power | W | 140 | |
| Unit current | A | 0.38 | |
| Maximum airflow | m³/h | 2350 | |
| Rotation speed at 50hz | - | 1419 | |
| Sound pressure level LpA at 3 m | dB(A) | 46 | |
| Weight | kg | 7.7 | |
| 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 4D 350 |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal external pressure (Pa) | 80 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 31.7 |
| Declared typology | NRVU UVU |
| Effective electric power input (kW) | 0.129 |
| Sound power level (dB(A)) | 82 |
| ∅D | ∅D1 | ∅D2 | ∅d | B | L |
|---|---|---|---|---|---|
| 362 | 395 | 421 | 9.5 | 450 | 160 |
