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BD-B190B-EC-N00 is a 190 mm DC backward centrifugal fan engineered for efficient air movement in ventilation and equipment-cooling systems. Its EC motor supports precise speed control and reliable continuous operation.
Basic Info
| Model | BD-B190B-EC-N00 | Fan Type | DC backward centrifugal fan |
| Nominal Voltage | 24 VDC | Voltage Range | 19-29 VDC |
| Rated Speed | 2950 ±5% RPM | Maximum Input Power | 62 W |
| Maximum Input Current | 2.8 A | Sound Level | 70 dB(A) |
| Airflow Range | 0-630 m³/h | Static Pressure Range | 0-500 Pa |
| Ambient Temperature | -25°C to +60°C | Compliance | RoHS |
Technical Description
| Fan Size (L × W × H) | 190 × 190 × 68.5 mm | Impeller Material | PA6+GF |
| Rotation Direction | Clockwise, viewed toward rotor | Protection Degree | IP44 |
| Insulation Class | Class B | Operating Mode | S1 |
| Motor Bearing | Ball bearing | Installation Position | Any |
| Cable Length | 500 ±20 mm | Control Input | 0-10 VDC / PWM |
| Protection Features | Locked rotor, thermal, over/under-voltage and overcurrent protection | Soft Start | Included |
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
The performance curve covers an airflow range of approximately 0-630 m³/h and a static-pressure range of approximately 0-500 Pa. Air performance is measured according to AMCA 210 / GB 1236, installation category A. Actual performance may vary with installation conditions.
Overal Dimmensions
The fan has an outer diameter of 190 mm and an overall depth of 68.5 ±1 mm. Refer to the drawing below for mounting and inlet-ring dimensions.
Electrical Connection
U1: +24 VDC (red); U2: GND (blue); U3: 0-10 VDC/PWM speed-control input (yellow); U4: FG tachometer output (white), 2 pulses per revolution.
Download
BD-B190B-EC-N00-Technical-Specification
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