/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round duct / TwinBox EC / TwinBox EC 250
| Unit of measurement | TwinBox EC 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 | 170 |
| Unit current | A | 1.29 |
| Maximum airflow | m3/h | 1390 |
| Sound pressure level LpA at 3 m | dB(A) | 49 |
| Weight | kg | 47 |
| Transported air temperature (max) | °С | 55 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP54 |
| Trademark | Blauberg |
| Model | TwinBox EC 250 |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.277 |
| Nominal external pressure (Pa) | 188 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 47.4 |
| Effective electric power input (kW) | 0.17 |
| Sound power level (dB(A)) | 64 |
| Declared typology | NRVU UVU |
| ∅ D | L | L1 | H | W | W1 |
|---|---|---|---|---|---|
| 249 | 1062 | 939 | 417 | 887 | 806 |
