/ Product catalogue / Commercial and industrial ventilation / Roof fans / Axial / Tower-A / Tower-A 250 4E
| Unit of measurement | Tower-A 250 4E | |
| 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 | 50 |
| Unit current | A | 0.22 |
| Maximum airflow | m3/h | 800 |
| Sound pressure level LpA at 3 m | dB(A) | 55 |
| Weight | kg | 7 |
| Transported air temperature (max) | °С | 60 |
| Transported air temperature (min) | °С | -30 |
| Ingress protection rating | - | IP24 |
| Ingress protection rating of the drive | - | IP44 |
| Trademark | Blauberg | |||||
| Model | Tower-A 250 4E | |||||
| Specific energy consumption (SEC) (kWh/(m2/a)) | Cold | Average | Warm | |||
| -54.4 | A+ | -27.4 | B | -11.9 | E | |
| Type of ventilation unit | Unidirectional | |||||
| Type of drive installed | Variable speed | |||||
| Type of heat recovery system | None | |||||
| Maximum flow rate (m3/h) | 800 | |||||
| Electric power input (W) | 50 | |||||
| Reference flow rate (m3/s) | 0.156 | |||||
| Specific power input (SPI) (W/(m3/h)) | 0.071 | |||||
| Control typology | Local demand control | |||||
| Maximum external leakage rates (%) | 2.7 | |||||
| Declared typology | RVU UVU | |||||
| Sound power level (dB(A)) | 75 | |||||
| The annual electricity consumption (AEC) (kWh/a) | Cold | Average | Warm | |||
| 38 | 38 | 38 | ||||
| The annual heating saved (AHS) (kWh/a) | Cold | Average | Warm | |||
| 5536 | 2830 | 1280 | ||||
| ØD | ØD1 | H | L | L1 |
|---|---|---|---|---|
| 262 | 405 | 280 | 425 | 330 |
| Name | Photo | Description |
|---|---|---|
| Blauberg CDT E1.8 |
|
Thyristor speed controller |
