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48V DC 133mm 144W Environmentally Friendly Air Supply Centrifugal Blower Dual Inlet Centrifugal Blower

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:
  • FD3G133-48GL-91

  • Fanova


Nominal Voltage

VDC

48

Nominal voltage range

VDC

36~57

Current draw

A

3.0±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 FD3G133-48GL-91 is a dual-inlet centrifugal fan engineered for high-efficiency airflow in confined spaces. Operating at 48V DC with ultra-quiet 68 dB(A) performance, its innovative dual-air-intake design delivers 760 m³/h airflow at 500 Pa static pressure while consuming only 144W. Ideal for applications requiring balanced pressure distribution and compact installation.


Key Features

  1. Dual-Intake Superiority

    • Twin air inlets increase airflow volume by 40% vs. single-inlet designs, enabling 760 m³/h in 133mm compact form.

  2. Whisper-Quiet Operation

    • 68 dB(A) noise level (quieter than office background) via 38 aerodynamically tuned blades and vibration-damped housing.

  3. Energy-Optimized DC Drive

    • 144W power consumption with 36-57V wide voltage tolerance, saving 25% energy versus AC equivalents.

  4. Industrial-Grade Durability

    • Galvanized steel impeller withstands humidity/corrosion, rated for 50,000 hours continuous operation (L10).

  5. Plug-and-Play Control

    • Standard 0-10VDC/PWM input + FG tach signal (2 pulses/revolution) for precision speed regulation.


Q&A: Why Choose This Fan?

Q: Does it deliver uniform airflow in tight enclosures?
A:  Dual-intake advantage. Twin inlets eliminate dead zones, providing balanced cooling for server racks/medical cabinets.

Q: Can it survive humid or corrosive environments?
A:  Built for toughness. Galvanized steel impeller resists rust, while IP44 protection blocks dust/water splashes.

Q: Is speed control compatible with building automation systems?
A:  Seamless integration. 0-10VDC/PWM input interfaces with BMS controllers; FG output enables real-time RPM monitoring.


Typical Applications

  • IT Infrastructure: Blade server cooling, network switch ventilation

  • Medical Imaging: MRI/CT scanner airflow management

  • Industrial Control Panels: Heat dissipation for PLC cabinets

  • Commercial Appliances: High-end coffee machines, bakery ovens


DCD133-48GL-90

DD133-48GL-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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Contact Us

+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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