/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round ducts / TT Silent-M EC / TT Silent-M 250 EC
| Unit of measurement | TT Silent-M 250 EC | |
| Connected air duct size | mm | 250 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 169 |
| Unit current | A | 1.38 |
| Maximum airflow | m3/h | 1285 |
| Sound pressure level LpA at 3 m | dB(A) | 42 |
| Weight | kg | 12.5 |
| Transported air temperature (max) | °С | 55 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Trademark | Vents |
| Model | TT Silent-M 250 EC |
| Type of drive installed | Integrated VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.216 |
| Nominal external pressure (Pa) | 234 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 34.8 |
| Declared typology | NRVU UVU |
| Effective electric power input (kW) | 0.169 |
| Sound power level (dB(A)) | 62 |
| ∅D | B | B1 | L | H |
|---|---|---|---|---|
| 248 | 358 | 451 | 664 | 379 |
