/ Product catalogue / Commercial and industrial ventilation / Inline fans / For rectangular ducts / Box-FI / Box-FI 70x40 4D
| Unit of measurement | Box-FI 70x40 4D | |
| Connected air duct size | mm | 700x400 |
| Phases | - | 3 |
| Minimum supply voltage | V | 400 |
| Maximum supply voltage | V | 400 |
| Power supply frequency | Hz | 50 |
| Rated power | W | 3630 |
| Unit current | A | 6 |
| Maximum airflow | m³/h | 6450 |
| Rotation speed at 50hz | - | 1320 |
| Sound pressure level LpA at 3 m | dB(A) | 56 |
| Weight | kg | 103 |
| Transported air temperature (max) | °С | 40 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| Impeller material | - | Galvanized steel |
| Trademark | Blauberg |
| Model | Box-FI 70x40 4D |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal external pressure (Pa) | 751 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 36.5 |
| Declared typology | NRVU UVU |
| Effective electric power input (kW) | 1.89 |
| Sound power level (dB(A)) | 76 |
| B | B1 | B2 | B3 | H | H1 | H2 | H3 | L |
|---|---|---|---|---|---|---|---|---|
| 700 | 720 | – | 800 | 400 | 420 | – | 620 | 880 |
| Name | Photo | Description |
|---|---|---|
| Blauberg SD 70x40 |
|
Silencers for rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Blauberg KFBK 70x40 |
|
Filter boxes with panel filter for rectangular ducts |
| Blauberg KFBT 70x40 G4 |
|
Filter boxes with pocket filters for rectangular ducts |
| Blauberg KFBT 70x40 F5 |
|
Filter boxes with pocket filters for rectangular ducts |
| Blauberg KFBT 70x40 F7 |
|
Filter boxes with pocket filters for rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Blauberg VG 70x40 |
|
Gravity dampers |
| Name | Photo | Description |
|---|---|---|
| Blauberg EVA 70x40 |
|
Flexible anti-vibration connectors for rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Blauberg WKH 70x40-2 |
|
Duct water heaters for rectangular ducts |
| Blauberg WKH 70x40-3 |
|
Duct water heaters for rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Blauberg EKH 70x40-18 |
|
Duct electrical heaters for rectangular ducts |
| Blauberg EKH 70x40-27 |
|
Duct electrical heaters for rectangular ducts |
| Blauberg EKH 70x40-36 |
|
Duct electrical heaters for rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Blauberg SL 70x40 |
|
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 |
