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24V DC 310mm 125W Silent Blower Quick Drying Air Backward Centrifugal Fan for Preventing Equipment Corrosion

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:
  • FB3G310-24AY-90

  • Fanova

Nominal Voltage

VDC

24

Nominal voltage range

VDC

16~28

Current draw

A

5.2±10%

Speed(RPM)

min-1

1600±5%

Power consumption

W

125±10%

Sound Pressure Level

dB(A

64±5%

Max. Air Flow

CFM / m3/H

1265.275/2150

Max. Static Pressure

In.wg /Pa

1.92/480

Insulation class

~

Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )

Product Overview

The FB3G310-24AY-90 is a heavy-duty 24V DC centrifugal fan engineered for high-torque, low-noise cooling in mobile and industrial applications. Featuring a robust 310mm aluminum impeller, it delivers massive airflow (2,150 m³/h) at surprisingly quiet 64 dB(A) – ideal for environments where power efficiency and noise sensitivity coexist. Built to endure harsh conditions (IP44, -25°C to 60°C), it excels in electric vehicles, mobile machinery, and renewable energy systems.


Core Features

  1. 24V DC High-Torque Performance

    • Optimized for battery/solar systems (16–28V DC), delivering 480 Pa static pressure to overcome resistance in compact ducts or filtration setups.

    • Maintains stable output even with voltage fluctuations common in mobile applications.

  2. Large-Impeller Quiet Operation

    • 310mm aluminum blades move 2,150 m³/h air at just 1,600 RPM, reducing noise by 30% vs. comparable industrial fans.

    • Precision-balanced rotor (G6.3) minimizes vibration for vibration-sensitive equipment.

  3. Plug-and-Play Industrial Controls

    • Simplified 4-wire interface supports 0–10V DC or PWM speed control with high-resolution tachometer (4 pulses/revolution).

    • Reverse-polarity protection prevents damage from wiring errors during field installations.


Applications

  • Electric Mobility: Battery/power electronics cooling in EVs, buses, and charging stations.

  • Mobile Machinery: Ventilation for construction equipment, agricultural vehicles, or marine engines.

  • Off-Grid Energy: Cooling in solar inverters, battery storage containers, and generator sets.

  • Industrial Cabinets: High-flow exhaust for telecom shelters or server enclosures.


FAQ

Q1: Can it run directly from vehicle batteries without a voltage regulator?
A1: Yes. Its wide voltage range (16–28V DC) tolerates fluctuations in 24V automotive/off-grid systems.

Q2: Why choose aluminum impellers for mobile applications?
A2: Aluminum withstands vibration/shock better than plastic, ensuring longevity in rough terrains.

Q3: How does the FG signal help in automation?
A3: The 4-pulse/rev output enables precise RPM monitoring for predictive maintenance or system alerts.


DCB310-24AY-90

DB310-24AY-90

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

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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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