4028 DC Cooling Fan

4028 DC Fan

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4028 DC Fan

DC axial cooling fan features excellent airflow performance with low noise and vibration. Dual ball bearing design, pure copper motor, and PBT housing ensure long service life and stable operation.

Specifications

Model DF4028B12V
Name 4028 DC Fan
Size 40x40x28MM
Voltage 12V-24V
Speed 10000-22000RPM
Air Flow 13.80-30.03CFM
Static Pressure 14.35-67.98mmAq
Noise 40.6-56.2dBA
Motor DC Brushless Outer Rotor Motor
Frame Material PBT
Impeller Material PBT
Bearing Dual Ball Bearing
Insulation Class ClassA
Operating Temperature -10℃―70℃
Weight 60g
Six Advantages

Applications

  • smalltypeequipment
  • Power Supply
  • Light Source
  • Frequency Inverter
  • Power Supply
  • Server

Product Type

Axial Fan, DC Fan, Booster Fan

Dimension Drawings & Performance Curves

4028 Dimension Drawing

Dimension Drawing

4028 Real Photos

Real Photos

4028 PQ Performance Curves

PQ Performance Curves

4028 Parameter Table

Parameter Table

Product Features & Advantages

Super Waterproof

Up to IPX8 (Optional Function)

Various waterproof processes including frame sealing, single-cup molding, high-temperature injection, and low-pressure vacuum meet IPX4, IPX5, IPX6, IPX7, and IPX8 ratings. Easily handles harsh environments such as indoor humidity, outdoor rain, coastal areas, and high temperature and high humidity conditions.

Super Waterproof

Intelligent Monitoring & Feedback Alarm

(Optional Function)

FG Operation Feedback
LD Below-Setpoint Alarm
RD/RDL Locked-Rotor Alarm

Intelligent Monitoring & Feedback Alarm

Smart Control – Multiple Speed Regulation

(Optional Function)

PWM Speed Control
Resistance Control
Voltage Control
Constant Speed
Temperature Control

Smart Control – Multiple Speed Regulation

Multiple Protection – Circuit Safety

(Optional Function)

Current limiting protection, reverse connection protection, locked-rotor protection with auto-restart, and soft start. Bidirectional protection for both equipment and fan.

Current Limiting
Reverse Connection
Locked-Rotor
Soft Start

Multiple Protection – Circuit Safety

Fan Quality

01. Fan Blade Frame

Integrally molded eco-friendly fireproof PBT material with UL94V-0 fire rating. Anti-vibration, anti-corrosion, balanced hardness and toughness.

02. Bearing System

High-precision dual ball bearings with long service life, low noise, and low heat. 1.5-2.3x longer life than ordinary bearings.

03. Motor Circuit

5th gen upgraded DC brushless motor with high-efficiency control scheme. Excellent performance in lifespan, heat, power consumption, and load capacity.

Fan Quality

Wide Applications

Automotive DC Brushless Fans
Automotive Engine Cooling
Cold Chain HVAC
Transport Ventilation
Industrial Equipment
HVAC Systems

Need a Custom Solution?

Contact us for custom speed control, waterproof, or noise-reduction requirements.

Contact Us

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