Design & Engineering Notes
The 4020-B cooling fan features a compact plastic frame and impeller designed for high-speed operation and reliable cooling performance.
40 × 40 × 20mm compact axial fan design.
UL94V-0 rated plastic frame and impeller.
Ball bearing and sleeve bearing options.
High-speed motor design with ±10% speed tolerance.
Optional RD, FG, PWM, and temperature sensor functions.
Optional waterproof protection: IP55 or IP68, depending on configuration.
Storage temperature: -30°C to +70°C (non-condensing).
Key Specs
|
Parameter |
Specification |
|
Fan Type |
DC Axial Cooling Fan |
|
Dimensions |
40 × 40 × 20mm |
|
Weight |
28g |
|
Rated Voltage |
12V / 24V DC |
|
Operating Voltage |
7–13.2V / 14.5–26.5V |
|
Rated Current |
0.21–1.10A |
|
Rated Input |
5.04–12.00W |
|
Speed Range |
12,000–20,000 RPM |
|
Maximum Airflow |
Up to 29.5 CFM |
|
Maximum Static Pressure |
Up to 59.2 mmH₂O |
|
Noise Level |
53.2–59.5 dBA |
|
Bearing Options |
Ball Bearing / Sleeve Bearing |
|
Frame & Impeller |
UL94V-0 Plastic |
Specifications vary by model. Maximum airflow, static pressure, and speed values represent different configurations and are not necessarily achieved simultaneously.
Core Strengths
High-Speed Cooling: Speeds up to 20,000 RPM provide powerful cooling for high-heat electronic components.
High Static Pressure: Maximum static pressure of 59.2 mmH₂O supports airflow through restricted spaces and dense equipment structures.
Strong Airflow Performance: Delivers airflow up to 29.5 CFM in a compact 40mm frame.
Multiple Voltage Options: 12V and 24V DC versions for flexible system integration.
Waterproof Options: Optional IP55 and IP68 protection for applications requiring additional environmental protection.
Flexible Control Functions: Optional PWM speed control, RD/FG speed sensing, and temperature sensing.
Applications
The 4020-B 40mm high-speed DC fan is suitable for demanding thermal management applications, including:
Industrial control equipment
High-density electronic enclosures
Power supply and converter systems
Communication and networking equipment
Embedded computers and compact servers
Industrial automation equipment
Electronic devices requiring high-static-pressure cooling
Quick Support Q&A
Q1: What are the dimensions of the 4020-B DC fan?
A: The fan measures 40 × 40 × 20mm, with a net weight of approximately 28g.
Q2: What voltage versions are available?
A: The 4020-B series is available in 12V and 24V DC configurations.
Q3: What is the maximum speed of the 4020-B fan?
A: Depending on the selected model, the fan operates at 12,000, 14,000, 16,000, 18,000, or 20,000 RPM.
Q4: Does the 4020-B support waterproof protection?
A: Yes. Optional waterproof configurations include IP55 and IP68, depending on the selected model.
Q5: Can I choose different sensor or control functions?
A: Yes. Optional configurations include RD speed sensing, FG speed sensing, PWM speed control, and temperature sensing.
Looking for a high-speed 4020-B DC cooling fan? Contact us for technical details, model selection, and customized cooling solutions.
Manufacturing Support
SZR provides OEM and project-based cooling solutions for compact thermal management applications. Engineering support, rapid sampling and customized specifications are available for long-term cooperation.
Hot Tags: 4020-b dc axial fan, China 4020-b dc axial fan manufacturers, suppliers, factory, 60mm DC Axial Fan, 80mm DC Axial Fan, axial DC fan, axial fan, axial sealed fan, High Speed DC Axial Fan
