/ Product catalogue / Commercial and industrial ventilation / Inline fans / For rectangular ducts / Box-I EC / Box-I EC 40x20-1 max 
| Unit of measurement | Box-I EC 40x20-1 max | |
| Phases | - | 1 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50/60 |
| Maximum airflow | m³/h | 1190 |
| Weight | kg | 16.8 |
| Transported air temperature (max) | °С | 50 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP54 |
| Impeller material | - | Plastic |
| Trademark | Blauberg |
| Model | Box-I EC 40x20-1 max |
| Type of ventilation unit | Unidirectional |
| Type of drive installed | Integrated VSD |
| Type of heat recovery system | None |
| Nominal external pressure (Pa) | 504 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 54.2 |
| Declared typology | NRVU UVU |
| Effective electric power input (kW) | 0.174 |
| Sound power level (dB(A)) | 50 |
| H | H1 | H2 | H3 | L | W | W1 | W2 | W3 |
|---|---|---|---|---|---|---|---|---|
| 200 | 220 | 240 | 322 | 460 | 400 | 420 | 440 | 464 |
