/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round ducts / VKM / VKM 400
| Unit of measurement | VKM 400 | |
| Connected air duct size | mm | 400 |
| Minimum supply voltage | V | 220 |
| Maximum supply voltage | V | 240 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 460 |
| Unit current | A | 2.23 |
| Maximum airflow | m3/h | 3090 |
| Sound pressure level LpA at 3 m | dB(A) | 61 |
| Weight | kg | 25.1 |
| Transported air temperature (max) | °С | 80 |
| Transported air temperature (min) | °С | -40 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP54 |
| Trademark | Vents |
| Model | VKM 400 |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.419 |
| Nominal external pressure (Pa) | 312 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 29.7 |
| Declared typology | NRVU UVU |
| Sound power level (dB(A)) | 81 |
| Effective electric power input (kW) | 0.449 |
| ØD | ØD1 | B | B1 | L | L1 | L2 | L3 |
|---|---|---|---|---|---|---|---|
| 398 | 570 | 663 | 634 | 570 | 60 | 60 | 70 |
