/ Product catalogue / Commercial and industrial ventilation / Inline fans / For rectangular ducts / Box-FI / Box-FI 50x25 4E
| Unit of measurement | Box-FI 50x25 4E | |
| Connected air duct size | mm | 500x250 |
| Phases | - | 1 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50 |
| Rated power | W | 535 |
| Unit current | A | 2.49 |
| Maximum airflow | m³/h | 1750 |
| Rotation speed at 50hz | - | 1250 |
| Sound pressure level LpA at 3 m | dB(A) | 44 |
| Weight | kg | 40.5 |
| Transported air temperature (max) | °С | 40 |
| Transported air temperature (min) | °С | -20 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| Impeller material | - | Galvanized steel |
| Article | - | 8055867 |
| Trademark | Blauberg |
| Model | Box-FI 50x25 4E |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal external pressure (Pa) | 286 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 24.2 |
| Declared typology | NRVU UVU |
| Effective electric power input (kW) | 0.35 |
| Sound power level (dB(A)) | 64 |
| B | B1 | B2 | B3 | H | H1 | H2 | H3 | L |
|---|---|---|---|---|---|---|---|---|
| 500 | 520 | 540 | 570 | 250 | 270 | 290 | 410 | 640 |
| Name | Photo | Description |
|---|---|---|
| Blauberg SD 50x25 |
|
Silencers for rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Blauberg KFBK 50x25 |
|
Filter boxes with panel filter for rectangular ducts |
| Blauberg KFBT 50x25 G4 |
|
Filter boxes with pocket filters for rectangular ducts |
| Blauberg KFBT 50x25 F5 |
|
Filter boxes with pocket filters for rectangular ducts |
| Blauberg KFBT 50x25 F7 |
|
Filter boxes with pocket filters for rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Blauberg VG 50x25 |
|
Gravity dampers |
| Name | Photo | Description |
|---|---|---|
| Blauberg EVA 50x25 |
|
Flexible anti-vibration connectors for rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Blauberg WKH 50x25-2 |
|
Duct water heaters for rectangular ducts |
| Blauberg WKH 50x25-4 |
|
Duct water heaters for rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Blauberg EKH 50x25-6 |
|
Duct electrical heaters for rectangular ducts |
| Blauberg EKH 50x25-7.5 |
|
Duct electrical heaters for rectangular ducts |
| Blauberg EKH 50x25-9 |
|
Duct electrical heaters for rectangular ducts |
| Blauberg EKH 50x25-10.5 |
|
Duct electrical heaters for rectangular ducts |
| Blauberg EKH 50x25-12 |
|
Duct electrical heaters for rectangular ducts |
| Blauberg EKH 50x25-15 |
|
Duct electrical heaters for rectangular ducts |
| Blauberg EKH 50x25-18 |
|
Duct electrical heaters for rectangular ducts |
| Blauberg EKH 50x25-21 |
|
Duct electrical heaters for rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Blauberg SL 50x25 |
|
Air dampers for rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Blauberg CDR5E D1.5 M |
|
Three phase speed controller |
| Blauberg CDR5E D4.0 M |
|
Three phase speed controller |
| Blauberg CDR5E D6.0 M |
|
Three phase speed controller |
| Blauberg CDR5E D8.0 M |
|
Three phase speed controller |
| Blauberg CDR5E D11.0 M |
|
Three phase speed controller |
| Blauberg CDR5E D14.0 M |
|
Three phase speed controller |
