About this item

🔵 4-Channel 5V Relay Module with Optocoupler 🔵

💡 Safely and reliably control multiple electrical devices

This 4-channel 5V relay module includes optocouplers that provide galvanic isolation between the control side and the load side. It can reliably switch AC/DC loads up to 10A per channel, while protecting your low-voltage circuits (Arduino, Raspberry Pi, ESP32, etc.) from power surges.

🛡️ Features

• Power supply: 5V DC
• Trigger signal: TTL (LOW level active)
• Load capacity per channel: 10A 250V AC / 10A 30V DC
• Built-in optocouplers for isolation
• LED indicators for each relay
• Screw terminals for easy wiring
• 4 independent relays

🛠️ Applications

• 🏠 Home automation: control lights, fans, air conditioners
• 🤖 Arduino / Raspberry Pi / ESP32 projects with multiple outputs
• 💧 Control of pumps, motors, solenoids
• 🔐 Security systems and automation

✨ Key Advantages

• 🔒 Enhanced safety with optocoupler isolation
• ⚡ Handles up to 10A per channel
• 💡 4 independent relays for flexibility
• 🖥️ Universal compatibility with microcontrollers