/ Product catalogue / Domestic ventilation / Residential axial fans / Classic / Silenta-S / 125 Silenta-STH
| Unit of measurement | 125 Silenta-STH | |
| Connected air duct size | mm | 125 |
| Minimum supply voltage | V | 220 |
| Maximum supply voltage | V | 240 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 9.3 |
| Unit current | A | 0.06 |
| Maximum airflow | m³/h | 148 |
| Sound pressure level LpA at 3 m | dB(A) | 31 |
| Weight | kg | 0.69 |
| Ambient air temperature min | °С | 1 |
| Ambient air temperature max | °С | 40 |
| Ingress protection rating | - | IP34 |
| Impeller material | - | Plastic |
| Trademark | Vents | |||||
| Model | 125 Silenta-STH | |||||
| Specific energy consumption (SEC) (kWh/(m²/a)) | Cold | Average | Warm | |||
| -54.5 | A+ | -27.5 | B | -12 | E | |
| Type of ventilation unit | Unidirectional | |||||
| Type of drive installed | Multi-speed | |||||
| Type of heat recovery system | None | |||||
| Maximum flow rate (m³/h) | 148 | |||||
| Electric power input (W) | 9.3 | |||||
| Reference flow rate (m³/s) | 0.029 | |||||
| Specific power input (SPI) (W/(m³/h)) | 0.04 | |||||
| Control typology | Local demand control | |||||
| Maximum external leakage rates (%) | 2.7 | |||||
| Declared typology | RVU UVU | |||||
| Sound power level (dB(A)) | 51 | |||||
| The annual electricity consumption (AEC) (kWh/a) | Cold | Average | Warm | |||
| 33 | 33 | 33 | ||||
| The annual heating saved (AHS) (kWh/a) | Cold | Average | Warm | |||
| 5536 | 2830 | 1280 | ||||
| Ø D | B | H | L | L1 |
|---|---|---|---|---|
| 125 | 176 | 140 | 114 | 13 |
