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DC 24V 140mm 150W Speed Regulartion Ventilation Forward Centrifugal Fan for Office Fresh Air System

1. 140mm
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:
  • FF3G140-24GL-90

  • Fanova

额定电压 Nominal Voltage

VDC

24

电压范围 Nominal voltage range

VDC

16~28

电流消耗 Current draw

A

6.25±10%

转速 Speed(RPM)

min-1

2560±5%

功率消耗 Power consumption

W

150±10%

声压级 Sound Pressure Level

dB(A

70±5%

最大风量 Max. Air Flow

CFM / m3/H

347.22/590

最大静压 Max. Static Pressure

In.wg /Pa

2.216/554

绝缘等级 Insulation class

~

 Class B

防护等级 Degree of protection

~

IP44

控制方式 Control Input

~

0~10VDC / PWM

信号输出 Signal Output

~

FG (Tach output )

Product Overview

The FF3G140-24GL-90 DC Centrifugal Fan by Fanova (Suzhou) is a high-pressure solution for low-voltage systems. Designed with a dense 38-blade galvanized steel impeller (140mm) and a 24VDC brushless motor (Model: BLDC92), it achieves 554 Pa static pressure—ideal for overcoming severe airflow resistance in compact industrial and commercial applications.


Key Features

  1. Ultra-High Pressure in Low Voltage
    Engineered for 24VDC systems (16–28VDC range), it delivers exceptional 554 Pa static pressure—uncommon in low-voltage centrifugal fans. Ideal for battery-powered or mobile equipment requiring robust ventilation.

  2. Dense Blade Efficiency
    38 forward-curved blades maximize air displacement efficiency, generating 590 m³/h airflow while maintaining moderate noise levels (70 dB(A)). Galvanized steel construction ensures corrosion resistance.

  3. Simplified Low-Voltage Control
    Pre-wired for plug-and-play 0–10VDC/PWM speed modulation and tachometer output (FG: 4 pulses/revolution). Eliminates complex voltage conversion in 24V-based systems.

  4. Rugged Reliability
    IP44-rated housing protects against dust/moisture ingress. Supports continuous operation (-25°C to 60°C) with 50,000-hour ball bearing lifespan (L10), even in high-vibration environments.


Applications

  • Mobile Medical Devices: Ventilation for portable diagnostic machines and field hospital equipment.

  • EV Battery Thermal Management: Cooling high-density battery packs in electric vehicles.

  • Industrial Robotics: Control cabinet cooling and actuator overheating prevention.

  • Renewable Energy Systems: Inverter and charge controller thermal regulation in solar/wind setups.


FAQ

Q1: Can it handle voltage drops below 16VDC?
A: No. Operation below 16VDC may trigger undervoltage protection. Stabilize input within 16–28VDC for reliable performance.

Q2: Why use 38 blades instead of fewer?
A: More blades enhance pressure generation in small impellers—critical for pushing air through dense filters or narrow ducts.

Q3: Is external heatsinking required?
A: No. The motor’s thermal protection (115°C cutoff) and aluminum housing dissipate heat effectively under standard conditions.


DCF140-24GL-90

DF140-24GL-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

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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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