Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of blauberg bk-b400e-ec-05 400mm 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 BK-B400E-EC-05 is a 400 mm EC backward-curved centrifugal fan designed for efficient, reliable and precisely controllable air movement in commercial and industrial ventilation systems.
Basic Info
| Model | BK-B400E-EC-05 | Product Type | EC Backward Curved Centrifugal Fan |
| Phase | 3~ | Rated Voltage | 220 VAC |
| Frequency | 50/60 Hz | Nominal Speed | 1800 RPM |
| Max. Input Power | 700 W | Max. Input Current | 2.3 A |
| Sound Level | 85 dB(A) | Ambient Temperature | -25 deg C to +60 deg C |
| Certification | CCC, CE, RoHS | Release Date | See product specification |
Technical Description
| Dimensions | 405 x 405 x 277.9 mm | Motor Size | 102 mm |
| 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 | See product specification | 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 | U0 | L1 | Blue | Three-phase power line L1 |
| Power Line | U1 | L2 | Brown | Three-phase power line L2 |
| Power Line | U2 | L3 | Black | Three-phase power line L3 |
| 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; max. PWM amplitude 10 V |
| Control Line | U8 | FG | White | Speed feedback, 5 pulses per revolution |
| Control Line | U9 | +10 V | Red | Control power output |
| Control Line | U10 | GND | Blue | Control reference ground |
Speed feedback: Vfg = 3.3-30 VDC; R >= 1000 x Vfg ohm.
Connect the power and control lines strictly according to the wiring diagram. Refer to the product specification for complete safety, storage, maintenance and warranty information.
Download
BK-B400E-EC-05 Product Specication.pdf
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