Design & Engineering Notes
Compact Structure: 40 × 40 × 28mm design for installations with limited space.
Durable Materials: UL94V-0 rated plastic frame and impeller.
Ball Bearing System: Designed for stable operation and long-term reliability.
Flexible Configuration: Multiple speed options with optional RD, FG, PWM, and temperature sensor configurations.
Protection Options: Configurable waterproof versions, including IP55 and IP68.
Key Specs
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Core Strengths
•High-Speed Cooling Performance: Up to 22,000 RPM for demanding heat dissipation requirements.
•Strong Airflow & Static Pressure: Maximum airflow of 28.6 CFM and static pressure of 3.21 inH₂O.
•Reliable Ball Bearing Design: Supports stable operation in continuous-duty cooling applications.
•Space-Saving Installation: Compact dimensions make it suitable for small electronic enclosures.
•Customizable Functions: Sensor, PWM speed control, and waterproof protection options are available depending on configuration.
Applications
The SZR-FB 4028-A 40mm DC cooling fan is suitable for a wide range of electronic and industrial cooling applications, including:
•Industrial control equipment
•Network and communication devices
•Power supplies and electronic enclosures
•Servers and compact computing equipment
•Instrumentation and automation systems
•High-density electronic cooling systems
Quick Support Q&A
Q1: What voltage options are available for the 4028-A DC fan?
A: It is available in 12V DC and 24V DC versions.
Q2: What is the maximum airflow of this 40mm cooling fan?
A: The maximum airflow reaches 28.6 CFM, depending on the selected model.
Q3: Does the 4028-A support PWM speed control?
A: Yes. PWM control and other sensor configurations can be selected according to the model configuration.
Q4: Is the 4028-A suitable for continuous operation?
A: Its ball bearing design supports reliable operation in demanding cooling applications. Actual service life depends on operating conditions.
Q5: Are waterproof versions available?
A: Yes. IP55 and IP68 protection options are available through the corresponding product configurations.
Looking for a compact, high-speed 40mm DC cooling fan? Contact SZR for model selection, technical details, and customization support.
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.
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