/ Product catalogue / Commercial and industrial ventilation / Inline fans / For rectangular ducts / VKP EC / VKP 500x250 M1 EC 
| Unit of measurement | VKP 500x250 M1 EC | |
| Connected air duct size | mm | 500x250 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 252 |
| Unit current | A | 1.85 |
| Maximum airflow | m3/h | 1590 |
| Sound pressure level LpA at 3 m | dB(A) | 45 |
| Weight | kg | 15.7 |
| 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 | VKP 500x250 M1 EC |
| Type of drive installed | Integrated VSD |
| Type of heat recovery system | None |
| Nominal flow rate (m3/s) | 0.213 |
| Nominal external pressure (Pa) | 330 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 53.1 |
| Declared typology | NRVU UVU |
| Sound power level (dB(A)) | 65 |
| Effective electric power input (kW) | 0.154 |
| B | B1 | B2 | H | H1 | H2 | H3 | L |
|---|---|---|---|---|---|---|---|
| 500 | 520 | 540 | 250 | 270 | 290 | 328 | 530 |
