12V DC PWM Fan Speed Controller – Auto Temp Control & Alarm

$6.37 USD $7.15 USD

HUXUAN 12V DC PWM Fan Temperature Control Speed Controller

Keep your computer or electronic chassis running cool and quiet with this intelligent 12V DC PWM Fan Temperature Control Speed Controller from HUXUAN. Designed for 2-wire and 3-wire fans, this compact module automatically adjusts fan speed based on real-time temperature readings — so your equipment stays optimally cooled without unnecessary noise.

Made in Mainland China.

Key Features

Automatic Temperature Control: Built-in temperature monitoring continuously tracks your device's operating conditions and adjusts fan speed accordingly — delivering the right airflow exactly when it's needed, saving energy in the process.
Quieter Operation: By ramping fan speed up or down based on actual thermal load, this controller dramatically reduces unnecessary fan noise, letting you focus on your work or gaming without distraction.
Wide Compatibility: Compatible with most standard 2-wire and 3-wire 12V DC fans, including CPU cooling fans, chassis fans, and fans used in other electronic devices — highly flexible and versatile.
Easy DIY Installation: Simple, straightforward design means you can install this controller yourself without needing a professional technician. Just connect and go.
Extends Equipment Lifespan: Precise, timely thermal management keeps your components running at their optimal operating temperature, reducing wear and helping your hardware last longer.
Fan Alarm Function: Built-in alarm feature alerts you if the fan stops or malfunctions, giving you peace of mind that your cooling system is always working.

Specifications

Brand: HUXUAN
Input Voltage: 12V DC
Compatible Fan Types: 2-wire and 3-wire PWM fans
Cooling Type: Air-cooled
Size: 9-inch (please refer to product images for exact dimensions)
Package Includes: 1 × Fan Temperature Control Speed Controller Module

Please Note

Due to manual measurement, please allow a tolerance of 1–3 mm.
Colors may vary slightly from product images due to differences in monitor display settings.

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Frequently Asked Questions

Q: What types of fans are compatible with this 12V DC PWM fan speed controller?

A: This fan temperature control speed controller is designed to work with standard 2-wire and 3-wire 12V DC fans, including CPU cooling fans, chassis fans, and fans used in various electronic devices. Its wide compatibility makes it a flexible solution for most home and office computer setups.

Q: How does the automatic temperature control feature work?

A: The module includes a built-in temperature sensor that continuously monitors the operating temperature of your equipment. As the temperature rises, the controller increases fan speed to boost airflow; as the temperature drops, it reduces fan speed — keeping noise low while maintaining efficient cooling at all times.

Q: What does the fan alarm function do?

A: The fan alarm feature monitors fan operation and triggers an alert if the fan stops spinning or malfunctions. This helps you quickly identify cooling issues before they can affect your equipment's performance or longevity.

Q: Is professional installation required for this fan speed controller?

A: No professional installation is needed. The controller is designed for easy DIY setup — simply connect it to your fan and power supply following the included guidance, and it's ready to use right away.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.