4 Channel Relay 5V DC with OptoCoupler module board

4 Channel 5V DC Relay Module Board with OptoCoupler

The 4 Channel 5V DC Relay Module with OptoCoupler provides a safe and efficient way to control high-voltage AC or DC loads using low-voltage microcontrollers. Featuring four independent relays, this board is ideal for a wide range of automation and control applications. Each channel is isolated by an optocoupler, ensuring protection for your sensitive control circuitry from high-power loads. It operates on a standard 5V DC supply, making it directly compatible with popular development boards like Arduino, Raspberry Pi, and other embedded systems. The module can switch loads up to 10A at 120V AC or 7A at 240V AC, and 7A at 24V DC. With clear power and relay status LEDs, along with convenient screw terminals, setup and debugging are straightforward. This robust module is perfect for hobbyists, engineers, and anyone looking to integrate high-power switching into their electronic projects.

Specifications:

• Operating Voltage: 5V DC
• Number of Channels: 4
• Isolation: Optocoupler
• Max Load (AC): 10A @ 120V AC / 7A @ 240V AC
• Max Load (DC): 7A @ 24V DC
• Relay Contact Type: SPDT (Common, Normally Open, Normally Closed)
• Control Signal: TTL Compatible (Active Low)
• Indicators: Power LED, 4x Relay Status LEDs
• Mounting: Mounting Holes Provided
• Input Interface: Header Pins
• Output Interface: Screw Terminals

Key features and benefits:

• Four independent relay channels for versatile control of multiple devices.
• Integrated optocoupler isolation protects your microcontroller from high-voltage circuits.
• Operates on a standard 5V DC supply, compatible with most microcontrollers and development boards.
• High current switching capacity: 10A @ 120V AC, 7A @ 240V AC, or 7A @ 24V DC.
• Each relay provides Normally Open (NO) and Normally Closed (NC) contacts for flexible wiring.
• Robust screw terminals ensure secure and easy connection of load wires.
• Onboard power indicator and individual relay status LEDs for simplified debugging.
• Mounting holes provided for secure and stable installation in enclosures or projects.

Applications:

• Home automation systems (e.g., controlling lights, fans, smart plugs).
• Industrial control and process automation.
• Robotics projects requiring high-power motor or actuator control.
• DIY electronics projects involving AC/DC load switching.
• Smart irrigation systems or environmental control.
• Prototyping and development of embedded systems.

Package Includes:

*Image shown is a representation only.

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