Control high-voltage devices safely with this 5V 4-Channel Relay Module featuring built-in optocoupler isolation for enhanced protection and stable switching. Ideal for automation projects using Arduino, ESP32, Raspberry Pi, and other microcontrollers.

Key Features

• 4 independent relay channels for multi-device control
• 5V DC operating voltage (logic compatible with most microcontrollers)
• Optocoupler isolation for improved safety and noise reduction
• Low-level trigger support for easy microcontroller integration
• LED indicators for each relay status
• High-load switching capability (AC/DC applications)
• Screw terminals for secure and reliable wiring
• JD-VCC jumper for flexible power configuration

Technical Specifications

• Operating Voltage: 5V DC
• Channels: 4
• Trigger Type: Low-level trigger
• Isolation: Optocoupler isolated inputs
• Load Capacity: Up to 10A (AC/DC typical rating)
• Interface: Standard control pins compatible with MCU boards