/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round ducts / KSB / KSB 250
| Unit of measurement | KSB 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 | 198 |
| Unit current | A | 0.87 |
| Maximum airflow | m3/h | 1300 |
| Sound pressure level LpA at 3 m | dB(A) | 41 |
| Weight | kg | 12.5 |
| Transported air temperature (max) | °С | 50 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Trademark | Vents |
| Model | KSB 250 |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.205 |
| Nominal external pressure (Pa) | 258 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 27.5 |
| Declared typology | NRVU UVU |
| Sound power level (dB(A)) | 61 |
| Effective electric power input (kW) | 0.196 |
| ∅D | B | B1 | H | L | L1 | L2 |
|---|---|---|---|---|---|---|
| 249 | 432 | 368 | 287 | 588 | 506 | 480 |
