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24V DC 105W 133mm Dual Inlet Centrifugal Blower for General Ventilation Environment

1. 133mm
2. IP44 protection level
3. Aluminum alloy motor with galvanized steel sheet impeller, fashion design.
4. Using Ball bearing, working life more than 50,000 hours
Availability:
Quantity:
  • FD3G133-24GL-70

  • Fanova

Nominal Voltage

VDC

24

Nominal voltage range

VDC

16~28

Current draw

A

4.4±10%

Speed(RPM)

min-1

1500±5%

Power consumption

W

105±10%

Sound Pressure Level

dB(A

64±5%

Max. Air Flow

CFM / m3/H

442.552/752

Max. Static Pressure

In.wg /Pa

0.82/205

Insulation class

~

Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )

Product Overview

The FD3G133-24GL-70 is a compact dual-inlet centrifugal fan optimized for low-voltage systems. Designed for applications requiring efficient bidirectional airflow at 24VDC, it combines a galvanized steel impeller with whisper-quiet operation. Its IP44-rated construction ensures reliability in space-constrained environments like electronics enclosures or portable equipment.


Core Features

  1. Ultra-Low Voltage Operation
    Runs efficiently at 24VDC (16–28V range), ideal for battery/solar-powered systems or low-power control circuits without voltage converters.

  2. High-Current Robustness
    Handles 4.4A current for stable torque output, preventing stalling in dynamic load conditions like variable duct pressures.

  3. Space-Optimized Dual Intake
    Bidirectional inlets maximize airflow (752 m³/h) in tight installations – ideal for embedded systems where front/rear clearance is limited.

  4. Vibration-Damped Acoustics
    38-blade galvanized impeller minimizes harmonic resonance, maintaining 64 dB(A) noise levels even at 1500 RPM.


Applications

  • Mobile Medical Devices: Portable ventilators, diagnostic equipment.

  • Low-Voltage HVAC: Bus/train cabin ventilation, RV climate systems.

  • Renewable Energy: Solar inverter cooling, battery cabinet airflow.

  • Compact Machinery: 3D printers, laser engravers, lab instruments.


FAQ

Q: Can it replace 48V models in existing setups?
A: No – electrical systems require redesign for 24V compatibility (higher current/power wiring).

Q: Does dual intake double the airflow?
A: No – it increases efficiency by 15–20% vs. single inlet but requires unobstructed side access.

Q: Minimum wire gauge for 4.4A draw?
A: Use ≥20AWG cables under 3m; upgrade to 18AWG for longer runs to prevent voltage drop.

Q: Corrosion resistance in outdoor use?
A: Galvanized steel resists humidity; pair with IP44 rating for damp environments (non-submerged).


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