/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round ducts / TT PRO / TT PRO 250
| Unit of measurement | TT PRO 250 | ||
| Connected air duct size | mm | 250 | |
| Speed | - | 1 | 2 |
| Minimum supply voltage | V | 230 | |
| Maximum supply voltage | V | 230 | |
| Power supply frequency | Hz | 50/60 | |
| Rated power | W | 125 | 177 |
| Unit current | A | 0.54 | 0.79 |
| Maximum airflow | m3/h | 1110 | 1400 |
| Sound pressure level LpA at 3 m | dB(A) | 44 | 51 |
| Weight | kg | 7.8 | |
| Transported air temperature (max) | °С | 60 | |
| Ingress protection rating | - | IPX4 | |
| Ingress protection rating of the drive | - | IPX4 | |
| Trademark | Vents |
| Model | TT PRO 250 |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.206 |
| Nominal external pressure (Pa) | 247 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 31.5 |
| Declared typology | NRVU UVU |
| Sound power level (dB(A)) | 72 |
| Effective electric power input (kW) | 0.165 |
| ∅D | B | H | L |
|---|---|---|---|
| 247 | 287 | 323 | 383 |
