1 Channel Relay Module 12V 10A (LOW Level)

The Single Channel 12V Relay Module is a versatile and reliable switching solution designed for controlling high-power devices with low-voltage signals. Based on the Tongling JQC-3FF-S-Z relay, this compact module allows hobbyists, educators, and professionals to interface microcontrollers and other low-power circuits with mains-powered appliances, motors, and lighting systems. Its straightforward design makes it ideal for home automation, robotics projects, and general-purpose switching applications where dependable control is essential.

Key Features:

• Single Relay Channel: Controls one high-power circuit, perfect for simple on/off switching applications.
• 12V DC Coil: Operates with a LOW trigger signal, compatible with most microcontroller outputs and power supplies.
• High Current Capacity: Rated for 10A at 250V AC or 125V AC, enabling control of household appliances and industrial equipment.
• LED Indicators: Features a green power LED and red relay status LED for visual confirmation of operation.
• Screw Terminals: Secure connections for high-power wiring, ensuring safe and reliable operation.
• Compact PCB Design: Small form factor suitable for integration into enclosures or mounting on breadboards and project boards.
• Optocoupler Isolation: Provides electrical isolation between control and load circuits, protecting sensitive electronics.

Features:

• Relay Model: Tongling JQC-3FF-S-Z
• Coil Voltage: 12V DC
• Contact Rating: 10A at 250V AC / 10A at 125V AC
• Contact Configuration: SPDT (Single Pole Double Throw) with NO (Normally Open), NC (Normally Closed), and COM (Common) terminals
• Control Signal: Low-level trigger active low. (any voltage < VCC - 1.5V)
• Operating Current: Approximately 70mA coil current
• Power LED: Green indicator for module power status
• Relay LED: Red indicator for relay activation status
• Screw Terminal Block: 3-position terminal for secure load connections
• PCB Dimensions: Approximately 50mm x 26mm
• Mounting Holes: Provided for secure installation

Applications

• Home Automation: Control lighting, fans, and household appliances remotely or via automation systems.
• Robotics: Switch motors, actuators, and other high-power components in robotic projects.
• Educational Use: Teach switching principles and relay operation in electronics and engineering courses.
• DIY Electronics: Create custom control systems for workshops, greenhouses, and maker projects.
• Industrial Control: Interface PLCs and microcontrollers with industrial equipment and machinery.

Why Choose the Single Channel 12V Relay Module? The Single Channel 12V Relay Module offers a simple yet powerful solution for bridging the gap between low-voltage control circuits and high-power loads. With clear LED indicators, secure screw terminals, and robust relay construction, this module provides reliable switching performance for a wide range of applications. Whether you're automating your home or building your next electronics project, this relay module delivers the control and safety you need.