/ Product catalogue / Commercial and industrial ventilation / Inline fans / For rectangular ducts / VKPFI / VKPFI 4D 800x500
| Unit of measurement | VKPFI 4D 800x500 | |
| Connected air duct size | mm | 800x500 |
| Minimum supply voltage | V | 400 |
| Maximum supply voltage | V | 400 |
| Power supply frequency | Hz | 50 |
| Rated power | W | 5850 |
| Unit current | A | 9.35 |
| Maximum airflow | m3/h | 8120 |
| Sound pressure level LpA at 3 m | dB(A) | 61 |
| Weight | kg | 127 |
| Transported air temperature (max) | °С | 40 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| Trademark | Vents |
| Model | VKPFI 4D 800x500 |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 1.291 |
| Nominal external pressure (Pa) | 881 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 42.3 |
| Declared typology | NRVU UVU |
| Sound power level (dB(A)) | 81 |
| Effective electric power input (kW) | 2.743 |
| B | B1 | B2 | B3 | H | H1 | H2 | H3 | L |
|---|---|---|---|---|---|---|---|---|
| 800 | 820 | - | 900 | 500 | 520 | - | 720 | 935 |
