/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round ducts / VKM / VKM 250| Unit of measurement | VKM 250 | |
| Connected air duct size | mm | 250 |
| Minimum supply voltage | V | 220 |
| Maximum supply voltage | V | 240 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 194 |
| Unit current | A | 0.85 |
| Maximum airflow | m3/h | 1420 |
| Sound pressure level LpA at 3 m | dB(A) | 50 |
| Weight | kg | 8.4 |
| Transported air temperature (max) | °С | 45 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| Trademark | Vents |
| Model | VKM 250 |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.159 |
| Nominal external pressure (Pa) | 349 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 31.9 |
| Declared typology | NRVU UVU |
| Sound power level (dB(A)) | 72 |
| Effective electric power input (kW) | 0.178 |
| ØD | ØD1 | B | B1 | L | L1 | L2 | L3 |
|---|---|---|---|---|---|---|---|
| 248 | 345 | 395 | 355 | 250 | 25 | 30 | 40 |
