/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round ducts / VS / VS 450-4D
| Unit of measurement | VS 450-4D | |
| Connected air duct size | mm | 450 |
| Minimum supply voltage | V | 400 |
| Maximum supply voltage | V | 400 |
| Power supply frequency | Hz | 50 |
| Rated power | W | 740 |
| Unit current | A | 1.5 |
| Maximum airflow | m3/h | 5700 |
| Sound pressure level LpA at 3 m | dB(A) | 54 |
| Weight | kg | 43 |
| Transported air temperature (max) | °С | 80 |
| Transported air temperature (min) | °С | -40 |
| Ingress protection rating | - | IPX4 |
| Trademark | Vents |
| Model | VS 450-4D |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.969 |
| Nominal external pressure (Pa) | 353 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 48.5 |
| Declared typology | NRVU UVU |
| Sound power level (dB(A)) | 74 |
| Effective electric power input (kW) | 0.72 |
| A |
|---|
| 670 |
