Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of blauberg be-b400h-ec-05 400mm dc backward centrifugal fan in China. Welcome to buy bulk high quality customized products made in China here and get quotation from our factory. For price consultation, contact us.
Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of Blauberg BE-B400H-EC-05 400mm DC backward centrifugal fan in China. Welcome to buy bulk high quality customized products made in China here and get quotation from our factory. For price consultation, contact us.
Basic Info
The Blauberg BE-B400H-EC-05 is a 400 mm DC backward centrifugal fan designed for efficient, controllable airflow in demanding ventilation and equipment-cooling systems.
| Model | BE-B400H-EC-05 | Rated Voltage | 48 VDC (36-57 VDC range) |
|---|---|---|---|
| Rated Speed | 1360 RPM | Input Power | 310 W |
| Input Current | 6.5 A | Sound Level | 76 dB(A) |
| Dimensions | 404 × 404 × 192.5 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 | Number of Blades | 6 |
|---|---|---|---|
| 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 / Static Pressure | Approx. 4300 m³/h / 690 Pa |
Product Application
Typical applications are listed below.
| 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 4300 m³/h and a maximum static pressure of approximately 690 Pa. Actual operating points depend on system resistance.
Overal Dimmensions
The fan envelope is approximately 404 × 404 × 192.5 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-B400H-EC-05 Technical Specification PDF
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