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DC 48V 120mm 67W Forward Centrifugal Fan for Vending Machine Cooling System

1. 120mm
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:
  • FF3G120-48GL-70

  • 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

1.4±10%

转速 Speed(RPM)

min-1

2580±5%

功率消耗 Power consumption

W

67±10%

声压级 Sound Pressure Level

dB(A

65±5%

最大风量 Max. Air Flow

CFM / m3/H

182.435/310

最大静压 Max. Static Pressure

In.wg /Pa

1.36/340

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 FF3G120-48GL-70 is a compact forward-curved centrifugal DC fan engineered for precision cooling in space-constrained applications. Featuring a high-density 34-blade galvanized steel impeller and 48V DC motor (BLDC72), it delivers optimized static pressure (340 Pa) at ultra-low noise (65 dB(A)). Ideal for electronics requiring focused airflow in tight installations.


Key Features

  1. High-Pressure Forward-Curved Design

    • Unique forward-curved blades generate 340 Pa static pressure—exceptional for 120mm size—enabling efficient cooling in densely packed enclosures.

  2. Ultra-Quiet Operation

    • Precision-balanced impeller minimizes vibration, achieving 65 dB(A) at 2,580 RPM for noise-sensitive labs or medical devices.

  3. Robust Industrial Build

    • IP44-rated against dust/moisture. Wide voltage input (36–57V DC) with thermal/lock-rotor protection ensures reliability (–25°C to 60°C).


Applications

  • Medical Diagnostics: Blood analyzers, DNA sequencers, imaging equipment.

  • Telecom Hardware: 5G base stations, fiber-optic cooling modules.

  • Precision Instruments: Laser diodes, spectrometer cooling, calibration devices.


FAQ

Q1: Why choose forward-curved over backward blades?
A: Forward curvature maximizes pressure in compact sizes—critical for overcoming resistance in miniature ducts/filters.

Q2: Can it handle continuous duty in sealed enclosures?
A: Yes—IP44 rating and thermal protection support 24/7 operation in confined spaces.

Q3: Is the high blade count (34) prone to clogging?
A: Galvanized steel resists debris; avoid oily/dusty environments. Regular maintenance recommended.

Q4: How does PWM control impact noise?
A: Speed reduction via yellow wire (PWM/0–10VDC) lowers noise proportionally—ideal for variable-load scenarios.


DCF120-48GL-70

DF120-48GL-70

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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