Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of blauberg by-b250e-ec-05 250mm ec backward curved 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.
The Blauberg BY-B250E-EC-05 is a 250 mm three-phase 380 VAC EC backward-curved centrifugal fan featuring a metal impeller, 750 W maximum input power, IP55 protection, Class F insulation and 0-10 V/PWM speed control.
Basic Info
| Model | BY-B250E-EC-05 | Product Type | EC Backward Curved Centrifugal Fan |
| Phase | 3~ | Rated Voltage | 380 VAC |
| Frequency | 50/60 Hz | Nominal Speed | 4100 RPM |
| Max. Input Power | 750 W | Max. Input Current | 1.4 A |
| Sound Level | 92 dB(A) | Ambient Temperature | -25 deg C to +60 deg C |
| Certification | CCC, CE, RoHS | Release Date | 17 October 2023 |
Technical Description
| Dimensions | 252 x 252 x 210.5 mm | Motor Size | 102 mm |
| Impeller Material | Metal | Rotor Surface | Blue plastic spraying |
| Rotation | Clockwise, viewed toward rotor | Air Flow Direction | All around |
| Degree of Protection | IP55 | Insulation Class | Class F |
| Operating Mode | S1 | Bearing | Ball bearing |
| Installation Position | Any | Cable Length | 500 +/-20 mm |
| Control | 0-10 VDC / PWM | Speed Feedback | FG, 5 pulses per revolution |
| Protection Functions | Locked rotor, thermal, over/undervoltage, overcurrent and soft-start protection | Weight | Not specified |
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
Overall Dimensions
Electrical Connection
| PE | Green/yellow - protective earth | U0 / U1 / U2 | L1 blue / L2 brown / L3 black |
| U3 | NC - white | U4 | COM - gray |
| U5 | RSA - brown | U6 | RSB - gray |
| U7 | 0-10 V / PWM speed control - yellow | U8 | FG speed output - white |
| U9 | +10 V output - red | U10 | GND - blue |
Connection note: Wire the power and control terminals exactly as shown. Disconnect power before installation or service. Do not touch the impeller while energized, and verify free rotation before start-up.
The whole-machine warranty period is two years from the delivery date. Quality-related failures are covered; damage caused by improper installation, disassembly, handling, misuse, natural disasters or force majeure is excluded.
Download
BY-B250E-EC-05 Product Specification.pdf
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