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24V DC 133mm 144W Air Exchange Dual Inlet Centrifugal Blower for General Environmental Use

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-91

  • Fanova


Nominal Voltage

VDC

24

Nominal voltage range

VDC

16~28

Current draw

A

6.0±10%

Speed(RPM)

min-1

1780±5%

Power consumption

W

144±10%

Sound Pressure Level

dB(A

68±5%

Max. Air Flow

CFM / m3/H

447.26/760

Max. Static Pressure

In.wg /Pa

2.0/500

Insulation class

~

Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )


Product Overview

The FD3G133-24GL-91 is a compact dual-inlet DC centrifugal fan engineered for precision cooling in space-constrained industrial systems. Featuring a 133mm galvanized steel impeller and a 24VDC BLDC motor (Model BLDC72), it delivers high static pressure (500 Pa) with moderate airflow (760 m³/h) while operating at low noise levels (68 dB(A)). Designed for IP44 protection and wide voltage input (16–28VDC), it excels in applications demanding reliability, quiet operation, and resistance to harsh conditions.


Core Features

  1. High Pressure in Compact Design
    Generates 500 Pa static pressure within a 133mm footprint—ideal for overcoming resistance in tight enclosures or dense filter systems without compromising space efficiency.

  2. Robust Metal Construction
    38-blade galvanized steel impeller ensures corrosion resistance and mechanical stability for demanding environments (-25°C to 60°C), extending operational lifespan.

  3. Low-Noise Efficiency
    Operates at 68 dB(A) despite high blade count—optimized aerodynamics reduce turbulence at 1,780 RPM for quiet performance in sensitive settings.

  4. Plug-and-Play Integration
    Simplified wiring (24VDC input, PWM control, 2-pulse FG tachometer) with soft-start and reverse-polarity protection enables quick installation.


Applications

  • Medical Devices: Cooling for diagnostic imaging equipment (e.g., MRI, CT scanners).

  • Laboratory Instruments: Ventilation in spectrometers, chromatographs, or precision scales.

  • Industrial Control Cabinets: Thermal management in PLC enclosures or servo drives.

  • Audio/Visual Racks: Silent cooling for broadcast or recording studio gear.


FAQ

Q: Why choose galvanized steel over plastic impellers?
A: Steel resists wear in high-stress/pressure scenarios and maintains integrity under thermal cycling—critical for 500 Pa output.

Q: Can the 2-pulse FG signal synchronize with controllers?
A: Yes—provides real-time RPM feedback (2 pulses/revolution) for system monitoring or speed synchronization.

Q: Is it suitable for dusty environments?
A: IP44 rating protects against particulate ingress; pair with filters for extended longevity in abrasive conditions.


DCD133-24GL-90

DD133-24GL-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

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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