Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of Blauberg 280mm EC Centrifugal Fan Backward 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
| Model | 280mm | Product Type | EC Backward Curved Centrifugal Fan |
| Phase | 1~ | Rated Voltage | 3-380 VAC |
| Frequency | 50/60 Hz | Nominal Speed | 3700 +/-5% RPM |
| Max. Input Power | 1100 W | Max. Input Current | 2.1 A |
| Sound Level | 89 dB(A) | Ambient Temperature | -25 deg C to +60 deg C |
| Certification | CCC, CE, RoHS | Release Date | 17 August 2024 |
Technical Description
| Fan Model | Voltage(VAC) | Frequency(Hz) | Speed(RPM) | Power(W) | Current(A) | Sound pres. Level(dB) | Perm.amb Temp.(℃) | Electrical Connection | UL Certificate |
| BC-B280D-EC-01 | 115 | 50/60 | 2000 | 170 | 2.6 | 76 | -25...+60 | E0 | Approved |
| BL-B190D-EC-01 | 230 | 50/60 | 2000 | 170 | 1.3 | 76 | -25...+60 | E0 | Approved |
| BW-B280D-EC-01 | 115/230 | 50/60 | 2000 | 170 | 2.6/1.3 | 76 | -25...+60 | E0 | Processing |
| BC-B280D-EC-07 | 115 | 50/60 | 2600 | 230 | 3.4 | 81 | -25...+60 | E0 | Approved |
| BL-B280D-EC-07 | 230 | 50/60 | 2600 | 230 | 1.7 | 81 | -25...+60 | E0 | Processing |
| BW-B280D-EC-07 | 115/230 | 50/60 | 2600 | 230 | 3.4/1.7 | 81 | -25...+60 | E0 | Processing |
| BC-B280D-EC-F05 | 115 | 50/60 | 2650 | 350 | 3.2 | 82 | -25...+60 | E3 | Approved |
| BL-B280D-EC-F05 | 230 | 50/60 | 3100 | 500 | 2.3 | 85 | -25...+60 | E3 | Processing |
| BW-B280D-EC-F05 | 115/230 | 50/60 | 2600 | 230 | 3.4/1.7 | 81 | -25...+60 | E3 | Processing |
| BC-B280E-EC-05 | 115 | 50/60 | 2550 | 350 | 3.2 | 76 | -25...+60 | E3 | Processing |
| BL-B280E-EC-05 | 230 | 50/60 | 2900 | 500 | 2.3 | 80 | -25...+60 | E1 | Processing |
| BC-B280B-EC-05 | 115 | 50/60 | 2600 | 400 | 3.6 | 83 | -25...+60 | E1 | Processing |
| BL-B280B-EC-05 | 230 | 50/60 | 3100 | 700 | 3.2 | 87 | -25...+60 | E1 | Processing |
| BK-B280E-EC-05 | 3-220 | 50/60 | 3200 | 750 | 2.1 | 87 | -25...+60 | E1 | Processing |
| BY-B280E-EC-05 | 3-380 | 50/60 | 3600 | 1100 | 1.8 | 89 | -25...+60 | E2 | Processing |
| BK-B280B-EC-05 | 3-220 | 50/60 | 3250 | 750 | 2.1 | 87 | -25...+60 | E2 | Processing |
| BY-B280B-EC-05 | 3-380 | 50/60 | 3700 | 1100 | 1.8 | 89 | -25...+60 | E2 | Processing |
Product Application
| 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 3200 m³/h and a maximum static pressure of approximately 1300 Pa. Actual operating points depend on system resistance.
Overall Dimensions
The fan envelope is approximately 281 × 281 × 173.7 mm. Refer to the drawing for mounting-hole locations, inlet geometry, cable routing and dimensional tolerances.
Electrical Connection
Ten-wire connection: PE protective earth; U1 L; U2 N; U3 NC; U4 COM; U5 RSA; U6 RSB; U7 0-10 VDC/PWM control; U8 FG speed feedback; U9 +10 V; and U10 GND. Follow the supplied electrical diagram and verify the rated 110 VDC power source before energizing.
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Blauberg 280mm Centrifugal Fan Backward
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