Home / Products / Centrifugal Fans / Backward Centrifugal Fan / 24V DC 135W 310mm OEM &ODM Supported High Performance Centrifugal Fan for Automobile Engine Radiator Heat Dissipation

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24V DC 135W 310mm OEM &ODM Supported High Performance Centrifugal Fan for Automobile Engine Radiator Heat Dissipation

1. 310mm
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:
  • FB3G310-24AL-90

  • Fanova

Nominal Voltage

VDC

24

Nominal voltage range

VDC

16~28

Current draw

A

5.6±10%

Speed(RPM)

min-1

1720±5%

Power consumption

W

135±10%

Sound Pressure Level

dB(A

67±5%

Max. Air Flow

CFM / m3/H

1206.425/2050

Max. Static Pressure

In.wg /Pa

1.96/490

Insulation class

~

 Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )

Product Overview

The FB3G310-24AL-90 is a low-voltage DC centrifugal fan engineered for quiet, efficient cooling in sensitive environments. Featuring an aluminum impeller and brushless DC motor (BLDC92), it delivers 2050 m³/h airflow at just 67 dB(A). Its 24VDC operation makes it ideal for electronics cooling and applications requiring low-noise ventilation.


Core Features

  1. Low-Voltage DC Operation
    Optimized for 24VDC systems (16-28V range), drawing 5.6A current for safe integration with control circuits and battery-powered setups.

  2. Quiet High-Efficiency Design
    Aluminum impeller (310mm, 6 blades) balances 2050 m³/h airflow and 490 Pa pressure at exceptionally low noise (67 dB(A)).

  3. Industrial Durability
    IP44-rated housing withstands dust/moisture. Operates in -25°C to 60°C extremes with ball bearings supporting 50,000-hour lifespan.

  4. Precise Speed Management
    0–10VDC/PWM control input + FG tachometer output (4 pulses/revolution) for real-time RPM monitoring.


Applications

  • Electronics Enclosures: Servers, telecom cabinets

  • Medical/Lab Equipment: Imaging devices, diagnostic tools

  • Low-Voltage Systems: Solar-powered ventilation, mobile units

  • Quiet Environments: Recording studios, offices


FAQ

Q: Is this compatible with 12V systems?
A: No. Requires 16–28VDC input. Lower voltages may trigger under-voltage protection.

Q: How quiet is 67 dB(A) in practice?
A: Comparable to background office noise—ideal for noise-sensitive spaces.

Q: Can it handle outdoor conditions?
A: Yes. IP44 rating protects against rain splashes and dust in covered outdoor installations.

Q: What's the advantage of aluminum impellers?
A: Better heat dissipation and durability vs. plastic alternatives in high-RPM applications.


图片1

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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
+86-17768077282
Sales01@fanova-tech.com
+8617768077282
+8617768077282
No.739, Fuyuan Road, Xiangcheng District, Suzhou, Jiangsu, P.R. China 215133
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