Home / Products / Centrifugal Fans / Backward Centrifugal Fan With Support Bracket / 48V DC 150W 310mm Long Lasting Stable Cooling Blower Ventilation Backward Centrifugal Bracket Fan

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48V DC 150W 310mm Long Lasting Stable Cooling Blower Ventilation Backward Centrifugal Bracket Fan

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:
  • FK3G310-48PK-20

  • Fanova

Nominal Voltage

VDC

48

Nominal voltage range

VDC

36~57

Current draw

A

3.2±10%

Speed(RPM)

min-1

1520±5%

Power consumption

W

150±10%

Sound Pressure Level

dB(A

69±5%

Max. Air Flow

CFM / m3/H

1365.32/2320

Max. Static Pressure

In.wg /Pa

1.56/390

Insulation class

~

 Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )

Product Overview

The FK3G310-48PK-20 is a large-format industrial centrifugal fan with an integrated support bracket, engineered for high-volume ventilation in space-constrained installations. Powered by a 48V DC brushless motor (BLDC102), it delivers substantial airflow at low noise levels while operating within a wide voltage range (36–57V DC). Its corrosion-resistant glass-fiber-reinforced plastic impeller and IP44-rated die-cast aluminum housing ensure reliable performance in demanding environments, meeting CE, RoHS, ISO9001, and ErP 2015 standards.


Key Features

  1. High-Efficiency Airflow:
    Moves 2,320 m³/h max airflow at 1520 RPM, optimizing energy use while minimizing noise (69 dB(A)) for large-space ventilation.

  2. Integrated Mounting System:
    Pre-installed bracket enables flexible vertical/horizontal installation in tight spaces without custom fixtures.

  3. Robust Industrial Design:
    102mm rotor and 7-blade fiberglass-reinforced impeller resist corrosion and mechanical stress in harsh conditions.

  4. Real-Time Diagnostics:
    FG tachometer output (3 pulses/revolution) provides accurate RPM monitoring for predictive maintenance.


Applications

  • Commercial HVAC: Air handling units (AHUs), ducted exhausts in shopping malls or auditoriums.

  • Agricultural Facilities: Livestock barn ventilation, greenhouse circulation, or grain drying systems.

  • Industrial Cooling: Machinery cooling, control cabinet ventilation, or process exhaust.

  • Medical Environments: Low-noise air exchange in labs, imaging rooms, or sterile processing areas.


FAQ

Q: Can the bracket support outdoor installation?
A: Yes—IP44 rating protects against rain splashes and dust ingress for covered outdoor use.

Q: Why choose lower RPM operation?
A: Reduced noise and vibration extend component life while maintaining efficiency in high-volume systems.

Q: Is the impeller replaceable?
A: Yes—contact support for replacement parts to extend service life.

Q: How does the FG signal aid system integration?
A: 3-pulse/revolution output enables precise speed feedback for automation controls.


DCW310-48PK-20

DW310-48PK-20

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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