/ Product catalogue / Commercial and industrial ventilation / Roof fans / Centrifugal / Tower-HC / Tower-HC 250 4E
| Unit of measurement | Tower-HC 250 4E | |
| Phases | - | 1 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50 |
| Rated power | W | 48 |
| Unit current | A | 0.23 |
| Maximum airflow | m3/h | 830 |
| rotation speed at 50hz | - | 1440 |
| Sound pressure level LpA at 3 m | dB(A) | 46 |
| Weight | kg | 8 |
| Transported air temperature (max) | °С | 50 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| Trademark | Blauberg |
| Model | Tower-HC 250 4E |
| Type of drive installed | Integrated VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.131 |
| Nominal external pressure (Pa) | 99 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 33.2 |
| Effective electric power input (kW) | 0.047 |
| Sound power level (dB(A)) | 58 |
| Declared typology | NRVU UVU |
| H | ∅D | ∅D1 | L | L1 |
|---|---|---|---|---|
| 224 | 503 | 285 | 420 | 330 |
