Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of blauberg 355mm backward curved blade centrifugal fans 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 | 355mm | Product Type | EC Backward Curved Centrifugal Fan |
| Phase | 1~ | Rated Voltage | 3-380 VAC |
| Frequency | 50/60 Hz | Nominal Speed | 2900 +/-5% RPM |
| Max. Input Power | 1800W | Max. Input Current | 3.0 A |
| Sound Level | 88 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-B355C-EC-F05 | 115 | 50/60 | 2100 | 350 | 3.2 | 78 | -25...+60 | E3 | Approved |
| BL-B355C-EC-F05 | 230 | 50/60 | 2300 | 500 | 2.3 | 81 | -25...+60 | E3 | Approved |
| BC-B355D-EC-F05 | 115 | 50/60 | 1800 | 350 | 3.2 | 77 | -25...+60 | E3 | Processing |
| BL-B355D-EC-F05 | 230 | 50/60 | 1950 | 500 | 2.3 | 79 | -25...+60 | E3 | Approved |
| BC-B355B-EC-F05 | 115 | 50/60 | 1800 | 350 | 3.2 | 77 | -25...+60 | E3 | Processing |
| BL-B355B-EC-02 | 230 | 50/60 | 2100 | 500 | 2.3 | 80 | -25...+60 | E3 | Processing |
| BC-B355E-EC-05 | 115 | 50/60 | 1800 | 400 | 3.6 | 79 | -25...+60 | E1 | Approved |
| BL-B355E-EC-05 | 230 | 50/60 | 2100 | 700 | 3.2 | 84 | -25...+60 | E1 | Processing |
| BC-B355E-EC-05 | 115 | 50/60 | 1800 | 400 | 3.6 | 79 | -25...+60 | E1 | Processing |
| BL-B355B-EC-05 | 230 | 50/60 | 2200 | 700 | 3.2 | 84 | -25...+60 | E1 | Processing |
| BK-B355E-EC-05 | 3-220 | 50/60 | 2150 | 750 | 2.1 | 84 | -25...+60 | E2 | Processing |
| BY-B355E-EC-05 | 3-380 | 50/60 | 2650 | 1100 | 1.8 | 86 | -25...+60 | E2 | Processing |
| BK-B355B-EC-05 | 3-220 | 50/60 | 2200 | 750 | 2.1 | 85 | -25...+60 | E2 | Processing |
| BY-B355B-EC-05 | 3-380 | 50/60 | 2550 | 1100 | 1.8 | 86 | -25...+60 | E2 | Processing |
| BY-B355E-EC-L38 | 3-380 | 50/60 | 2900 | 1800 | 3.0 | 88 | -25...+60 | E4 | Processing |
| BY-B355B-EC-L38 | 3-380 | 50/60 | 2800 | 1800 | 3.0 | 88 | -25...+60 | E4 | Processing |
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.
Overall Dimensions
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.
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Blauberg 355mm Backward Curved Blade Centrifugal Fans
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