Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of blauberg bl-b355b-ec-05 355mm 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-B355B-EC-05 is a 355 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-B355B-EC-05 | Product Type | EC Backward Curved Centrifugal Fan |
| Phase | 1~ | Rated Voltage | 230 VAC |
| Frequency | 50/60 Hz | Rated Speed | 2200 RPM |
| Max. Input Power | 650 W | Max. Input Current | 3.05 A |
| Sound Level | 83 dB(A) | Ambient Temperature | -25 deg C to +60 deg C |
| Certification | CCC, CE, RoHS | Release Date | July 5, 2024 |
Technical Description
| Dimensions | 372 x 372 x 260 mm | Motor Type | External rotor EC motor |
| Impeller Material | Plastic | Rotation | Clockwise, viewed toward rotor |
| Rotor Surface | Plastic spraying | Degree of Protection | IP55 |
| Insulation Class | Class F | Operating Mode | S1 |
| Bearing | Ball bearing | Cable Length | 500 +/-20 mm |
| Operating Humidity | 5%-90% RH | Storage Temperature | -40 to +80 deg C |
| Axial Impeller Deviation | <= 1 mm | Radial Impeller Deviation | <= 1 mm |
| Motor Protection | Locked-rotor, thermal, under/over-voltage and overcurrent protection; soft start | ||
| Control Features | 0-10 VDC/PWM speed control, +10 VDC output, FG speed feedback and RS485 interface | ||
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 port RSA |
| Control Line | U6 | RSB | Gray | RS485 port 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 |
Speed feedback: Vfg = 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
BL-B355B-EC-05 Product Specification
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