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DC 24V 220W 280mm Low Noise Design Backward Centrifugal Fan for Gas Transmission System

1. 280mm
2. IP44 protection level
3. Aluminum alloy motor with Propylene with glass-fiber reinforced impeller, fashion design.
4. Using Ball bearing, working life more than 50,000 hours
Availability:
Quantity:
  • FB3G280-24PL-90

  • Fanova

Nominal Voltage

VDC

24

Nominal voltage range

VDC

16~28

Current draw

A

9.3±10%

Speed(RPM)

min-1

2000±5%

Power consumption

W

220±10%

Sound Pressure Level

dB(A

69.9±5%

Max. Air Flow

CFM / m3/H

1345.311/2286

Max. Static Pressure

In.wg /Pa

 2.644/661

Insulation class

~

 Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )

Product Overview

The FB3G280-24PL-90 is a high-efficiency DC centrifugal fan engineered for industrial ventilation and cooling. Featuring a 280mm fiberglass-reinforced impeller and 24VDC BLDC motor (Model BLDC92), it delivers robust airflow (2,286 m³/h) with balanced static pressure (661 Pa) while operating quietly at 69.9 dB(A). Designed for IP44 protection and wide voltage input (16–28VDC), it excels in applications demanding reliability, energy efficiency, and flexible installation.


Core Features

  1. High-Volume Airflow
    Moves 2,286 m³/h of air—ideal for cooling large enclosures, industrial machinery, or ventilation systems—while maintaining low power consumption (220W).

  2. Optimized Noise Control
    Operates at just 69.9 dB(A) despite industrial-grade output, leveraging 6-blade aerodynamics and precision balancing (G6.3) for minimal vibration.

  3. Wide Voltage Compatibility
    Tolerates unstable power sources (16–28VDC) with built-in over/undervoltage protection, ensuring consistent performance in fluctuating environments.

  4. Easy Integration
    Supports 0–10VDC/PWM speed control and outputs 4-pulse FG tachometer signals. Universal mounting (any orientation) simplifies installation.


Applications

  • Industrial Cooling: Machine tool cabinets, laser cutters, or welding stations.

  • HVAC Systems: Ducted ventilation in factories or warehouses.

  • Agricultural Ventilation: Greenhouse airflow management.

  • Commercial Air Handling: Shopping malls, gyms, or auditoriums.


FAQ

Q: Can it handle dusty environments?
A: IP44 rating resists dust ingress but pair with filters for longevity in abrasive conditions.

Q: Why choose 6 blades over higher counts?
A: Fewer blades reduce turbulence at 2,000 RPM, balancing airflow efficiency and noise reduction.

Q: Is it safe for outdoor use?
A: IP44 protects against rain/splashes; avoid direct exposure to corrosive elements or standing water.

Q: How does the FG signal (4 pulses/rev) help?
A: Provides real-time RPM feedback for system diagnostics or speed synchronization with controllers.


FB3G280-24PL-90-塑料风轮-后向-2D图纸-模型_00

FB3G280-24PL-90-塑料风轮-后向-PQ曲线-模型_00

Life Expectance

50,000 Hours(L10),At 40℃ room, humidity 15%~65%RH

Technical features

Motor current limitation

Soft starting Protection

Under/Over voltage detection

Thermal overload protection for electronics/motor

Line undervoltage detection

Locked-rotor Protection

Reverse Polarity Protection


Operating Temperature

Fan

-25℃ (Min. )~60℃ (Max. )

Heat sink of IC

115℃ (Max. )

Other electronic parts

85℃ (Max. )

Ball bearing

80℃ (Max. )

Lead Wire

120℃ (Max. )

Storage Temperature

-40℃ to 75℃

Operating Humidity

5% to 90% RH

Storage Humidity

5% to 95% RH


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 +86-512-66152110
 +86-18168737096
 +8617715518438
 +8617715518438
 No.739, Fuyuan Road, Xiangcheng District, Suzhou, Jiangsu, P.R. China 215133

If you have any questions, please feel free to contact us at any time!

Fanova (Suzhou) Motor Technology Co., Ltd. is a leader in the industry, provides customers with diverse fan solutions with its professional, innovative, and environmentally friendly philosophy.

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+86-512-66152110
+86-17715518438
Sales01@fanova-tech.com
+8617715518438
+8617715518438
No.739, Fuyuan Road, Xiangcheng District, Suzhou, Jiangsu, P.R. China 215133
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