Description
What it is
40x40x15mm cooling fan, powered at 12V and with a current of 0.11A. Ideal for cooling electronic components in 3D printers, CNC, laser, and other devices.
Features
- Dimensions: 40x40x15mm
- Voltage: 12V
- Current: 0.11A
What it is for
This fan is designed to cool electronic components that tend to overheat during operation, such as the motors in 3D printers. It can be used to improve the performance and longevity of your 3D printing system, preventing overheating and component damage.
Tutorial: How to Use 40x40mm Cooling Fan
This fan is ideal for cooling hot electronic components, such as those used in 3D printers. It is perfect for those building or improving their own 3D printing system.
What you need
- 3D Printer
- Passive Cooling
- 3D Projectors
- Other electronic devices that require cooling
Steps
- Check the fan’s compatibility with your device.
- Connect the fan’s power supply (12V).
- If necessary, connect a relay or MOSFET to control the fan’s activation through Arduino.
- Check that the fan activates and functions correctly.
- Physically install it in the required cooling location.
- If necessary, add a grille or filter to protect the fan’s intake.
Mini project
Cool the motor of a 3D printer during long printing sessions.
Common mistakes
- Connect the fan to a power supply different from the specified one (12V).
- Omit the relay or MOSFET to control the fan’s activation.
- Install the fan without considering its ventilation direction.
- Do not check that the fan functions correctly before installation.
Recommended accessories
- 5V Relay
- N-Channel MOSFET
- Fan Grille
- Dust filters
Frequently asked questions
Can this fan be used with power supplies below 12V?
Check the datasheet, but generally it is not recommended.
How can I control the activation of the fan through Arduino?
Use a relay or a MOSFET for electronic control.







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