/ Product catalogue / Commercial and industrial ventilation / Roof fans / Centrifugal / VKH EC / VKHz 355 EC
| Unit of measurement | VKHz 355 EC | |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 669 |
| Unit current | A | 4.95 |
| Maximum airflow | m3/h | 3830 |
| Sound pressure level LpA at 3 m | dB(A) | 51 |
| Weight | kg | 27 |
| Transported air temperature (max) | °С | 50 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP54 |
| Trademark | Vents |
| Model | VKHz 355 EC |
| Type of drive installed | Integrated VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.613 |
| Nominal external pressure (Pa) | 518 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 55.6 |
| Declared typology | NRVU UVU |
| Sound power level (dB(A)) | 71 |
| Effective electric power input (kW) | 0.642 |
| ∅D | ∅d | H | L | L1 | L2 |
|---|---|---|---|---|---|
| 438 | 11 | 322 | 625 | 450 | 620 |
