Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of blauberg bl-b450e-ec-05 450mm 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 BL-B450E-EC-05 is a 450 mm EC backward-curved centrifugal fan designed for efficient, reliable and precisely controllable air movement in commercial and industrial ventilation systems.
Basic Info
| Model | BL-B450E-EC-05 | Product Type | EC Backward Curved Centrifugal Fan |
| Phase | 1~ | Rated Voltage | 230 VAC |
| Frequency | 50/60 Hz | Nominal Speed | 1270 RPM |
| Max. Input Power | 700 W | Max. Input Current | 3.1 A |
| Sound Level | 80 dB(A) | Ambient Temperature | -25 deg C to +60 deg C |
| Certification | CCC, CE, RoHS | Release Date | 2 June 2023 |
Technical Description
| Dimensions | 454 x 454 x 301.3 mm | Motor Size | See product specification |
| Impeller Material | Metal | Number of Blades | See product specification |
| Air Flow Direction | All around | Rotation | Clockwise, viewed toward rotor |
| Rotor Surface | Plastic spraying | Weight | See product specification |
| Degree of Protection | IP55 | Insulation Class | Class F |
| Operating Mode | S1 | Bearing | Ball bearing |
| Installation Position | Any | Cooling Holes / Cut-outs | Rotor side |
| Operating Humidity | 5%-90% RH | Storage Humidity | See product specification |
| Storage Temperature | -40 to +80 deg C | Cable Length | 500+/-20 mm |
| Technical Features | 0-10 VDC/PWM control; RS485 MODBUS-RTU; locked rotor, thermal, over/undervoltage, overcurrent and soft-start protection | ||
| Dielectric Strength | See product specification | ||
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
| Line | Connection | Designation | Colour | Function |
|---|---|---|---|---|
| Power Line | PE | PE | Green / Yellow | Protective earth |
| Power Line | U1 | L | Brown | Live wire |
| Power Line | U2 | N | Black | Neutral wire |
| Power Line | U3 | NC | White | Normally closed status contact |
| Power Line | U4 | COM | Gray | Common status contact |
| Control Line | U5 | RSA | Brown | RS485 MODBUS-RTU RSA |
| Control Line | U6 | RSB | Gray | RS485 MODBUS-RTU RSB |
| Control Line | U7 | 0-10 V / PWM | Yellow | Speed-control input; maximum PWM amplitude 10 V |
| Control Line | U8 | FG | White | RPM output signal |
| Control Line | U9 | +10 V | Red | External output +10 VDC |
| Control Line | U10 | GND | Blue | Reference ground for control interface |
Connect the power and control lines strictly according to the wiring diagram. Refer to the product specification for complete safety, storage and maintenance information.
Download
BL-B450E-EC-05 Product Specication.pdf
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