/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round ducts / KSF K2 EC / KSF 250 K2 EC
| Unit of measurement | KSF 250 K2 EC | |
| Connected air duct size | mm | 250 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 374 |
| Unit current | A | 1.77 |
| Maximum airflow | m3/h | 1682 |
| Sound pressure level LpA at 3 m | dB(A) | 41 |
| Weight | kg | 33 |
| Transported air temperature (max) | °С | 50 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IP44 |
| Ingress protection rating of the drive | - | IP54 |
| Trademark | Vents |
| Model | KSF 250 K2 EC |
| Type of drive installed | Integrated VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.209 |
| Nominal external pressure (Pa) | 274 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 39.8 |
| Declared typology | NRVU UVU |
| Effective electric power input (kW) | 0.168 |
| Sound power level (dB(A)) | 61 |
| ∅D | B | B1 | B2 | H | L1 | L2 |
|---|---|---|---|---|---|---|
| 247 | 665 | 487 | 742 | 411 | 699 | 606 |
