4 Channel 12V Relay Module with Optocoupler (Quad Relay Module)

The 4 Channel 12V Relay Module with Optocoupler is a multi-channel relay board designed to control high-voltage or high-current loads using low-voltage digital control signals. It features onboard optocoupler isolation to provide electrical separation between the control circuit and the load, ensuring improved safety and noise immunity. Each relay operates independently, making the module ideal for industrial automation, home automation, embedded systems, and control panel applications.

Key Features -

• Four independent relay channels

• 12V relay coil operation

• Built-in optocoupler isolation

• Individual control inputs for each channel

• High-voltage and high-current switching

• Onboard driver transistor circuitry

• LED status indicators for each relay

• Stable and reliable operation

• Compatible with Arduino and other microcontrollers

• Easy wiring and installation

Specifications -

• Product type - Quad Relay Module

• Relay type - Electromechanical

• Number of channels - 4

• Coil voltage - 12V DC

• Trigger voltage - 5V or 12V Model Dependent

• Contact rating - Typically 10A 250V AC or 10A 30V DC

• Isolation type - Optocoupler

• Control signal - Digital Input

• Board type - Multi-Channel Relay Module

• Mounting type - PCB Module

Applications -

• Home automation

• Industrial automation

• Lighting control

• Motor control

• Security systems

• PLC and control panels

• Arduino and embedded projects

• Remote switching applications