4 Channel 5V Relay Module with Optocoupler – 10A Relay Board for Arduino, Raspberry Pi, PLC Automation

4 Channel 5V Relay Module with Optocoupler – 10A Relay Board for Arduino, Raspberry Pi, PLC Automation

The 4 Channel 5V Relay Module with Optocoupler is a reliable relay interface board designed for controlling high-voltage and high-current devices using microcontrollers such as Arduino, Raspberry Pi, ESP32, PIC, AVR, and PLC systems. The module includes 4 independent relays, each capable of switching up to 250V AC / 10A or 30V DC / 10A, making it ideal for automation and power control projects.

This relay board features optocoupler isolation, which protects the control circuit from voltage spikes and electrical noise, ensuring safe and stable operation. Each channel has LED status indicators, screw terminals for easy wiring, and standard input pins for direct connection to digital outputs.

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Key Features

• 4 Channel relay output
• Operating voltage: 5V DC
• Optocoupler isolation for protection
• Supports AC 250V / 10A and DC 30V / 10A load
• LED indicator for each relay
• Screw terminals for easy wiring
• Compatible with Arduino, Raspberry Pi, ESP32, PLC, PIC, AVR
• Stable and reliable switching
• High quality PCB design
• Mounting holes for easy installation

Applications

• Home automation systems
• Arduino and Raspberry Pi projects
• Industrial automation
• Motor and pump control
• Light and fan control
• IoT projects
• Robotics projects
• PLC control panels
• Smart home devices
• DIY electronics projects