8 Channel Relay - 5V DC with OptoCoupler Module Board (220v AC 7A)

The 8-Channel Relay Module (5V DC) is designed for switching high-voltage devices using low-voltage digital logic. Each channel includes an optocoupler for electrical isolation, ensuring safe operation with microcontrollers like Arduino, ESP32, and Raspberry Pi. Ideal for automation, load control, and safety-critical applications.

Key Features and Benefits

• 8 independent relays with optocoupler isolation

• Compatible with 5V logic from most microcontrollers

• Supports AC and DC switching for various devices

• LED indicators for visual relay status

• Screw terminal blocks for easy wiring

• Durable design suitable for home or industrial use

Specifications

• Brand: Generic

• Channels: 8

• Operating Voltage: 5V DC

• Trigger Voltage: 3.3V – 5V logic level

• Relay Type: SPDT

• Relay Rating: 10A at 250V AC / 10A at 30V DC

• Output Terminals: NO (Normally Open), NC (Normally Closed), COM (Common)

• Optocoupler Isolation: Yes, per channel

• Indicator LEDs: Yes

• Module Dimensions: Approx. 13.8 x 5.7 x 1.7 cm

• Temperature Rating: –20°C to +70°C

Applications

• Home automation and smart control systems

• Appliance and equipment switching

• Remote control power systems

• DIY electronics and robotics

• Industrial machine interface and load control

• Safe isolation of high-voltage devices from logic circuits