Home / Products / Centrifugal Fans / Backward Centrifugal Fan / 48V DC 190mm 144W Work Quietly Cooling Fan Backward Centrifugal Ventilation Fan

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48V DC 190mm 144W Work Quietly Cooling Fan Backward Centrifugal Ventilation Fan

1. 190mm
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:
  • FB3G190-48PY-90

  • Fanova

Nominal Voltage

VDC

48

Nominal voltage range

VDC

36~67

Current draw

A

3.0±10%

Speed(RPM)

min-1

4000±5%

Power consumption

W

144±10%

Sound Pressure Level

dB(A

72±5%

Max. Air Flow

CFM / m3/H


 459.03/780

Max. Static Pressure

In.wg /Pa

 3.192/798

Insulation class

~

 Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )

Product Overview
The 48V-DC 190mm 144W External-Rotor Centrifugal Blower Fan integrates motor and impeller into a compact external-rotor unit. Designed for space-constrained, high-pressure applications, it delivers 798 Pa maximum static pressure and 780 m³/h airflow, ideal for systems requiring robust performance in limited spaces.


Features
External-Rotor Motor Design
Direct impeller drive eliminates intermediate components, ensuring efficient power transmission with reduced mechanical complexity.

High Static Pressure Capability
Generates 798 Pa static pressure to overcome resistance in compact ductwork, filtration layers, or confined ventilation systems.

Optimized Noise Performance
Operates at 72 dB(A) under full load, balancing power output with acoustic control for industrial environments.


Applications

  • Compact HVAC Units: Air handling in small commercial equipment or server racks.

  • Industrial Enclosures: Cooling for control cabinets, machinery, or electronics with space limitations.

  • Filtration Systems: Pushing air through HEPA/carbon filters in portable purification units.

  • Mobile Ventilation: Integration into vehicles or compact machinery requiring high-pressure airflow.


FB3G190-24PY-71

FB3G190-48PY-90 PQ

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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