Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of blauberg bn-b250b-ec-01 250mm dc backward 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.
BN-B250B-EC-01 is a 250 mm DC backward centrifugal fan with an external-rotor EC motor, 0-10 VDC/PWM speed control and FG tachometer output.
Basic Info
| Model | BN-B250B-EC-01 | Fan Size | 250 × 250 × 99 mm |
|---|---|---|---|
| Rated Voltage | 310 VDC | Voltage Range | 310 VDC |
| Rated Speed | 2250 RPM | Maximum Input Power | 150 W |
| Maximum Input Current | 0.5 A | Sound Level | 72 dB(A) |
| Operating Temperature | -25°C to +60°C | Ingress Protection | IP55 |
Technical Description
| Impeller Material | Plastic | Number of Blades | 7 |
|---|---|---|---|
| Rotation | Clockwise, viewed toward rotor | Airflow Direction | All around |
| Insulation Class | Class B | Operation Mode | S1 |
| Bearing | Ball bearing | Cable Length | 500 ±20 mm |
| Motor Protection | Locked rotor, thermal, over/undervoltage, overcurrent | Speed Control | 0-10 VDC / PWM |
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
Air performance measured according to AMCA 210 / GB 1236, installation category A. Maximum airflow is approximately 1440 m³/h and maximum static pressure is approximately 725 Pa under the specified test conditions.
Overal Dimmensions
The fan has an outer diameter of 250 mm and an overall depth of 99 mm. Refer to the drawing below for mounting and inlet-ring dimensions.
Electrical Connection
PE: protective earth; U1: +310 VDC; U2: GND; U4: 0-10 VDC/PWM speed-control input; U5: FG tachometer output.
Download
BN-B250B-EC-01-Technical-Specification
Hot Tags: blauberg bn-b250b-ec-01 250mm dc backward centrifugal fan, China blauberg bn-b250b-ec-01 250mm dc backward centrifugal fan manufacturers, suppliers, factory
