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BD-B175B-EC-N02 is a 175 mm DC backward centrifugal fan with an external-rotor EC motor, 0-10 VDC/PWM speed control and FG tachometer output.
Basic Info
| Model | BD-B175B-EC-N02 | Fan Size | 175 × 175 × 68.5 mm |
| Rated Voltage | 24 VDC | Voltage Range | 19-29 VDC |
| Rated Speed | 4500 ±5% RPM | Maximum Input Power | 100 W |
| Maximum Input Current | 4.2 A | Sound Level | 77 dB(A) |
| Operating Temperature | -25°C to +60°C | Ingress Protection | IP44 |
Technical Description
| Impeller Material | PA66+GF | 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 Equipments Cooling Project | 2 Kitchen smoke exhaust system | 10 Ventilation Unit Project |
| 3 FFU Project | 11 AHU(Air Handing Unit)Project | 4 Computer room cooling | 12 Air Purifier Project |
| 5 Air-conditioned fan for rail transit carriers | 13 Heater Exchanger Project | 6 Electrical appliances | 14 Telecom Container Project |
| 7 FanGrid Project | 15 Data Center Cooling Project | 8 Ventilation Equipments Project | 16 |
Air Performance
Air performance measured according to AMCA 210 / GB 1236, installation category A. Maximum airflow is approximately 750 m³/h and maximum static pressure is approximately 800 Pa under the specified test conditions.
Overal Dimmensions
The fan has an outer diameter of 175 mm and an overall depth of 68.5 ±1 mm. Refer to the drawing below for mounting and inlet-ring dimensions.
Electrical Connection
U1: power supply positive; U2: GND; U3: 0-10 VDC/PWM speed-control input; U4: FG tachometer output, 2 pulses per revolution.
Download
BD-B175B-EC-N02-Technical-Specification
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