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110V DC 450mm 420W Silent Powerful Axial Flow Fan for Fire Exhaust Fan

1. 450mm
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:
  • FG3G450-110PN-20

  • Fanova


Nominal Voltage

VDC

110

Nominal voltage range

VDC

88~132

Current draw

A

3.9±10%

Speed(RPM)

min-1

1600±5%

Power consumption

W

420±10%

Sound Pressure Level

dB(A

68±5%

Max. Air Flow

CFM / m3/H

 3619.28/6150

Max. Static Pressure

In.wg /Pa

 1.0/250

Insulation class

~

 Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )


Product Overview

The FG3G450-110PN-20 is a high-capacity DC axial fan engineered for large-space ventilation and industrial cooling where massive airflow is critical. Featuring a 450mm fiberglass-reinforced impeller and optimized 110VDC motor, it delivers exceptional air volume (6,150 m³/h) with low noise (68 dB(A)), complying with CE, RoHS, and ErP2015 standards.


Core Features

  1. High-Volume Airflow Efficiency
    Generates 6,150 m³/h airflow at low RPM (1,600±5%)—ideal for cooling large enclosures, warehouses, or industrial halls—while consuming 420W for energy-efficient operation.

  2. Wide Voltage Compatibility
    Operates reliably across 88–132VDC input ranges, ensuring stable performance in fluctuating power environments common in heavy machinery or renewable energy systems.

  3. Robust Low-Noise Design
    Five-blade fiberglass impeller minimizes turbulence, achieving 68 dB(A) noise levels despite high airflow—suitable for noise-sensitive industrial settings.

  4. Reverse-Rotation Safety
    Impeller spins anticlockwise (viewed toward rotor), preventing accidental reversal in directional-critical applications; IP44 rating protects against dust/water ingress.


Applications

  • Industrial Ventilation: Factory air exchange, welding fume extraction, foundry cooling.

  • Energy Infrastructure: Wind turbine nacelles, battery storage cooling, substation ventilation.

  • Agricultural Tech: Greenhouse air circulation, livestock barn cooling.

  • Large Equipment: CNC machine enclosures, industrial oven exhaust.


FAQ

Q: Can this fan operate vertically (upward/downward airflow)?
A: Yes—mount in any orientation, but ensure ≥1x fan diameter clearance at inlet (§7) for optimal performance.

Q: Is a protective grill mandatory?
A: Recommended for safety (not included). Consult factory for grille options (mesh size: 10–20mm).

Q: How does blade count affect noise?
A: 5 blades reduce tip vortices, lowering high-frequency noise vs. fewer blades—critical for large-diameter fans.

Q: Minimum startup voltage?
A: 88VDC. Below this, soft-start protection engages to prevent motor damage.


DCA450-110PN-20

DA450-110PN-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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