/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round ducts / VKMz / VKMz 250
| Unit of measurement | VKMz 250 | ||
| Connected air duct size | mm | 250 | |
| Phases | - | 1 | |
| Minimum supply voltage | V | 220 | |
| Maximum supply voltage | V | 240 | |
| Power supply frequency | Hz | 50 | 60 |
| Rated power | W | 152 | |
| Unit current | A | 0.66 | |
| Maximum airflow | m³/h | 1070 | |
| Rotation speed at 50hz | - | 2765 | |
| Sound pressure level LpA at 3 m | dB(A) | 52 | |
| Weight | kg | 5.1 | |
| Transported air temperature (max) | °С | 50 | |
| Transported air temperature (min) | °С | -25 | |
| Ingress protection rating | - | IPX4 | |
| Ingress protection rating of the drive | - | IP44 | |
| Impeller material | - | Plastic | |
| Trademark | Vents | |||||
| Model | VKMz 250 | |||||
| Specific energy consumption (SEC) (kWh/(m²/a)) | Cold | Average | Warm | |||
| -53.7 | A+ | -26.7 | B | -11.2 | E | |
| Type of ventilation unit | Unidirectional | |||||
| Type of drive installed | Variable speed | |||||
| Type of heat recovery system | None | |||||
| Maximum flow rate (m³/h) | 980 | |||||
| Electric power input (W) | 152 | |||||
| Reference flow rate (m³/s) | 0.191 | |||||
| Reference pressure difference (Pa) | 50 | |||||
| Specific power input (SPI) (W/(m³/h)) | 0.122 | |||||
| Control typology | Local demand control | |||||
| Maximum external leakage rates (%) | 2.7 | |||||
| Sound power level (dB(A)) | 52 | |||||
| Declared typology | RVU UVU | |||||
| The annual electricity consumption (AEC) (kWh/a) | Cold | Average | Warm | |||
| 64 | 64 | 64 | ||||
| The annual heating saved (AHS) (kWh/a) | Cold | Average | Warm | |||
| 5536 | 2830 | 1280 | ||||
| ØD | ØD1 | B | B1 | L | L1 | L2 | L3 |
|---|---|---|---|---|---|---|---|
| 249 | 332 | 340 | 380 | 213 | 25 | 29 | 40 |
