DC 12V/24V PWM Fan Temperature Control Speed Regulator Module

DC 12V/24V PWM Fan Temperature Control Speed Regulator Module

Take full command of your cooling system with the Gaqqee JCF2404 PWM Temperature Control Speed Regulator. This intelligent dual-channel module automatically adjusts your DC fan speed in real time based on ambient temperature — keeping your setup cool when it needs to be, and whisper-quiet when it doesn't. Ideal for computers, DIY electronics, server enclosures, 3D printers, and custom cooling builds.

Made in Mainland China.

Key Features

• Dual Fan Channel Support: Simultaneously controls two independent fan channels for flexible cooling configurations.
• Wide Voltage Compatibility: Supports 12V and 24V DC fans and motors (2/3/4-wire), with a maximum drive current of 4A per channel.
• Fully Automatic Linear Stepless Speed Regulation: PWM pulse voltage modulation technology delivers smooth, continuous speed adjustment based on real-time temperature readings — no abrupt jumps, no manual tuning.
• Two Operating Modes: Switch between Adjustable Temperature Mode and Fixed Temperature Mode using the onboard mechanical switch — perfect for different thermal management scenarios.
• Versatile Temperature Sensor: The included sensor cable features mounting lugs for secure attachment and is capable of measuring air, liquid, or solid surface temperatures.
• LED Status Indicators: Two onboard LEDs provide instant visual feedback on power status and operational state.
• Energy Efficient & Quiet: Automatically halts fan operation when temperatures drop below the preset threshold — saving energy and reducing noise during low-load periods.
• Low Power Consumption: Efficient design minimises standby and operating power draw.

How It Works

The JCF2404 continuously monitors ambient temperature via its sensor cable. As temperature rises, fan speed increases proportionally to boost airflow and thermal dissipation. As temperature falls, fan speed decreases smoothly — or the fan stops entirely below the set start-up threshold. This automated linear control ensures optimal thermal performance at all times without any manual intervention.

Specifications at a Glance

• Model: JCF2404
• Input Voltage: DC 12V / 24V
• Fan Compatibility: 2-wire, 3-wire, 4-wire DC fans & motors
• Max Drive Current: 4A
• Control Method: PWM (Pulse Width Modulation)
• Fan Channels: 2
• Operating Modes: Adjustable Temperature / Fixed Temperature
• Package Type: TQFP
• Condition: New
• Country of Origin: Mainland China

What's in the Box

• PWM Temperature Control Speed Regulator Module ×1
• Temperature Sensor Cable ×1

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Frequently Asked Questions

Q: What types of DC fans are compatible with this PWM temperature control speed regulator module?

A: The Gaqqee JCF2404 module is compatible with DC 12V and 24V fans and motors using 2-wire, 3-wire, or 4-wire connections. It supports a maximum drive current of 4A, making it suitable for a wide range of standard and high-performance DC cooling fans used in computers, electronics enclosures, 3D printers, and more.

Q: What is the difference between Adjustable Temperature Mode and Fixed Temperature Mode?

A: In Adjustable Temperature Mode, the module dynamically varies fan speed across a user-defined temperature range for smooth, continuous stepless control. In Fixed Temperature Mode, the fan runs at a set speed once the target temperature threshold is reached. You can toggle between these two modes using the onboard mechanical switch — no soldering required.

Q: Can this module control two fans at the same time?

A: Yes. The JCF2404 features two independent fan control channels, allowing you to run and regulate two separate fans simultaneously from a single module — ideal for dual-zone cooling setups or systems that require redundant fan control.

Q: Can the temperature sensor measure liquid or surface temperatures, not just air?

A: Absolutely. The included sensor cable is designed with mounting lugs for secure attachment to a variety of surfaces. It can accurately measure air temperature, liquid temperature, or solid surface temperature, giving you versatile monitoring options across different applications.

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.