12V Relay Module with Optocoupler – 1-Channel Light Coupling for Automation

The 12V Relay Module with Optocoupler – 1-Channel Light Coupling is designed to provide safe and reliable switching of AC and DC loads in automation and embedded systems. With integrated optical isolation, this module ensures that the control circuit is electrically isolated from the high-voltage switching components, minimizing risks of damage or interference.

Ideal for Arduino and other microcontroller projects, it features onboard LED indicators for power and relay status. The 1-channel configuration and robust 12V relay make it suitable for home automation, industrial controls, and safety systems.

🔧 Key Features

• 12V relay module with optocoupler isolation for enhanced safety
• 1-channel relay suitable for switching both AC and DC loads
• Light-coupling (optical isolation) provides separation between control and load
• Built-in power and relay status LEDs
• Durable PCB design with isolation groove
• Compatible with microcontrollers like Arduino, ESP32, Raspberry Pi

📐 Technical Specifications

📌 Applications

• Home and industrial automation systems
• Microcontroller-based switching circuits
• Arduino, Raspberry Pi, and ESP32 projects
• Smart appliances and relay-controlled devices

💡 Why Choose This Relay Module?

This 12V Relay Module with Optocoupler ensures safe signal isolation using light-coupling technology. It is built for stability, reliability, and compatibility with various control systems. Its compact form factor and LED indicators make it a dependable addition to your electronics toolkit.

📦 Package Includes

• 1 × 12V 1-Channel Relay Module with Optocoupler