/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round ducts / VKM EC / VKM 355 EC
| Unit of measurement | VKM 355 EC | |
| Connected air duct size | mm | 355 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 693 |
| Unit current | A | 3.07 |
| Maximum airflow | m3/h | 3450 |
| Sound pressure level LpA at 3 m | dB(A) | 62 |
| Weight | kg | 15.8 |
| Transported air temperature (max) | °С | 60 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| Trademark | Vents |
| Model | VKM 355 EC |
| Type of drive installed | Integrated VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.485 |
| Nominal external pressure (Pa) | 559 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 43.9 |
| Declared typology | NRVU UVU |
| Sound power level (dB(A)) | 67 |
| Effective electric power input (kW) | 0.693 |
| ØD | ØD1 | B | B1 | L | L1 | L2 | L3 |
|---|---|---|---|---|---|---|---|
| 353 | 459 | 552 | 522 | 562 | 60 | 60 | 70 |
