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48V DC 250mm 105W Multifunctional Ventilation Axial Flow Fan for Daily Life Use

1. 250mm
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:
  • FG3G250-48GL-90带网罩

  • Fanova

额定电压 Nominal Voltage

VDC

48

电压范围 Nominal voltage range

VDC

36~57

电流消耗 Current draw

A

2.2±10%

转速 Speed(RPM)

min-1

2780±5%

功率消耗 Power consumption

W

105±10%

声压级 Sound Pressure Level

dB(A

69±5%

最大风量 Max. Air Flow

CFM / m3/H

1129.92/1920

最大静压 Max. Static Pressure

In.wg /Pa

0.9/225

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 FG3G250-48GN-90 DC Axial Fan by Fanova Motor Technology delivers industrial-grade airflow with integrated safety. Designed around a robust 250mm galvanized steel impeller and protective guard grille, it moves 1,920 m³/h of air at 225 Pa static pressure. Powered by a 48V DC brushless motor (BLDC92), it operates reliably across voltage fluctuations (36–57V DC) while supporting PWM/0–10V speed control. Ideal for harsh environments, its IP44-rated housing combats dust and moisture ingress.


Core Features

  1. Industrial-Scale Air Movement
    Moves large volumes of air (1,920 m³/h) for cooling machinery or ventilating expansive spaces. The 7-blade galvanized steel impeller withstands corrosive particles in workshops or agricultural settings.

  2. Medium-Voltage DC Efficiency
    48V DC operation reduces energy losses in long cable runs, drawing just 105W (±10%). Wide voltage tolerance (36–57V) ensures stability with industrial power supplies or battery backups.

  3. Safety-First Grille Design
    Integrated mesh guard prevents accidental contact with blades—essential for facilities with untrained staff or public access. Maintains full airflow without obstruction.

  4. Real-Time Performance Monitoring
    FG tachometer signal (4 pulses/rev) enables RPM tracking for predictive maintenance. Pre-wired for plug-and-play integration with speed controllers.


Applications

  1. Industrial Equipment Cooling
    Covers large heat loads in CNC machines, laser cutters, or hydraulic systems. Galvanized blades resist metal shavings and coolant mist.

  2. Warehouse & Facility Ventilation
    High airflow volume clears fumes, dust, or humidity in distribution centers or manufacturing plants. Guard grille protects against debris impact.

  3. Renewable Energy Cooling
    Manages heat in solar inverter cabinets or wind turbine control units. 48V DC compatibility aligns with common renewable power systems.

  4. Commercial Kitchen Exhaust Support
    Augments hood extraction systems in large restaurants. IP44 rating handles steam and grease splashes when mounted in ductwork.


FAQ

Q1: Can it run on 24V batteries?
No. Minimum voltage is 36V DC. Use a DC-DC booster for 24V systems.

Q2: How to clean the impeller with grease buildup?
Wipe blades with a solvent-free degreaser. Avoid abrasives that damage galvanized coating.

Q3: Is the grille removable for maintenance?
Yes, but reinstalling requires torque calibration (see manual). Do not operate without grille.


DCA250-48GL-90带网罩

DA250-48GL-90带网罩

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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