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Basic Info
The Blauberg BE-B355C-EC-05 is a 355 mm DC backward centrifugal fan designed for efficient, controllable airflow in demanding ventilation and equipment-cooling systems.
| Model | BE-B355C-EC-05 | Rated Voltage | 48 VDC (36-57 VDC range) |
|---|---|---|---|
| Rated Speed | 1820 RPM | Input Power | 290 W |
| Input Current | 6 A | Sound Level | 80 dB(A) |
| Dimensions | 355 × 355 × 166.5 mm | Operating Temperature | -25 to +60 °C |
Technical Description
This backward-curved centrifugal fan combines a high-efficiency EC motor with 0-10 VDC or PWM speed control. Its aluminum alloy impeller with 6 blades rotates clockwise when viewed toward the rotor. Continuous-duty construction, ball bearings and IP44 protection support reliable industrial operation.
| Impeller Material | aluminum alloy | Rotation | Clockwise, viewed toward rotor |
|---|---|---|---|
| Protection Class | IP44 | Insulation Class | Class B |
| Duty | S1 continuous | Bearing | Ball bearing |
| Control | 0-10 VDC / PWM | Feedback | FG speed signal |
| Cable Length | 500 ±20 mm | Connection | 4-wire |
| Airflow | Approx. 3250 m³/h | Static Pressure | Approx. 600 Pa |
Product Application
Suitable for compact air-moving, thermal-management and ventilation equipment where stable pressure and variable-speed control are required.
| 1 | Charging Column | 9 | Equipment Cooling Project |
| 2 | Kitchen Smoke Exhaust System | 10 | Ventilation Unit Project |
| 3 | FFU Project | 11 | AHU Project |
| 4 | Computer Room Cooling | 12 | Air Purifier Project |
| 5 | Rail Transit Air-Conditioning | 13 | Heat Exchanger Project |
| 6 | Electrical Appliances | 14 | Telecom Container Project |
| 7 | FanGrid Project | 15 | Data Center Cooling Project |
| 8 | Ventilation Equipment Project | 16 | Industrial Cooling System |
Air Performance
The performance curve shows a maximum airflow of approximately 3250 m³/h and a maximum static pressure of approximately 600 Pa. Actual operating points depend on system resistance.
Overal Dimmensions
The fan envelope is approximately 355 × 355 × 166.5 mm. Refer to the drawing for mounting-hole locations, inlet geometry, cable routing and dimensional tolerances.
Electrical Connection
Four-wire connection: U1 positive supply, U2 GND, U3 0-10 VDC/PWM speed-control input and U4 FG speed-feedback output. Confirm polarity and the rated 48 VDC supply before energizing.
Download
Download BE-B355C-EC-05 Technical Specification PDF
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