/ Product catalogue / Commercial and industrial ventilation / Inline fans / For rectangular ducts / Box / Box 70x40 4D
| Unit of measurement | Box 70x40 4D | |
| Phases | - | 3 |
| Minimum supply voltage | V | 400 |
| Maximum supply voltage | V | 400 |
| Power supply frequency | Hz | 50 |
| Weight | kg | 41 |
| Transported air temperature (max) | °С | 60 |
| Transported air temperature (min) | °С | -30 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| Impeller material | - | Aluminium |
| Trademark | Blauberg |
| Model | Box 70x40 4D |
| Type of ventilation unit | Unidirectional |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal external pressure (Pa) | 408 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 42.5 |
| Declared typology | NRVU UVU |
| Effective electric power input (kW) | 0.828 |
| Sound power level (dB(A)) | 81 |
| B | B1 | H | H1 | H2 | L |
|---|---|---|---|---|---|
| 700 | 740 | 400 | 440 | 440 | 753 |
