24V 8 Channel Isolated Relay Module optocoupler (with Light Coupling)
24V 8 Channel Isolated Relay Module optocoupler (with Light Coupling)
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24V 8 Channel Isolated Relay Module optocoupler (with Light Coupling)
his 8 Road/Channel Relay Module (with light coupling) 24V module meets the safety standard as control areas and load area has the isolation groove. Optical coupling isolation module.The triggering of the 8 Road/Channel Relay Module is reliable, and more stable. The double FR–4 circuit board design, high-end SMT process. It has power and relay operation instructions. Relays terminals (C, NC, NO) are accessible through screw terminals which makes wiring up the board very easy.
The inputs of the 8 Channel 24V Relay Module are isolated to protect any delicate control circuitry.
A wide range of microcontrollers such as Arduino, AVR, PIC, ARM ,and so on can control it.
The use of such a high-voltage relay eliminates the risk of heating up the relay as electromechanical relays limit the current consumption in accordance with a voltage rating.
Module interface:
The positive (according to the relay voltage VCC: connect power supply)
GND: connect power negative
IN1: relay module (effective) high-level trigger signal trigger end
IN2: relay module (effective) high-level trigger signal trigger end
IN3: relay module (effective) high-level trigger signal trigger end
IN4: relay module (effective) high-level trigger signal trigger end
IN5: relay module (effective) high-level trigger signal trigger end
IN6: relay module (effective) high-level trigger signal trigger end
IN7: relay module (effective) high-level trigger signal trigger end
IN8: relay module (effective) high-level trigger signal trigger end
Meaning of High level and Low-level
High-level trigger refers to using the anode voltage at the VCC connection way of a trigger and triggers the end when the trigger side has the positive voltage or to trigger voltage when the relay is off. Low-level trigger refers to using the negative voltage at the GND connection way of a trigger and triggers the end when the trigger side has 0 v low voltage or voltage to can trigger, the relay is off.
Technical Details
- Model Type: Relay Module
- No. of Channels: 8
- Operating Voltage: 24VDC
- Trigger Voltage: 24VDC
- Switching Voltage: 250V @ 10A (AC)
- Switching Voltage: 30V @ 10A (DC)
- Length: 138mm
- Width: 56mm
- Height: 20mm
- Weight: 101g
Features
- High-current relay: 10A @ 250VAC / 10A @ 30VDC
- Controls AC & DC appliances (Solenoids, Motors, Lights, Fans)
- High-quality screw terminals (C, NC, NO) for easy connection
- Freewheeling diode for microcontroller protection
- Input signal pin supports Burg stick connection
- LED indicators for relay ON/OFF status
- Mounting holes for easy installation
- High-level signal input for operation
- Direct control of various equipment & loads
- One normally open & one normally closed contact
- Blue KF301 terminal block for convenience
- Supports high-current appliances and equipment
- Red status indicators for safe operation
- Widely used in MCU, PLC, industrial, and smart home control
Applications :
- Home Automation: Controls multiple appliances with electrical isolation for safety.
- Industrial Control: Manages heavy-duty equipment like motors and pumps.
- Microcontroller Projects: Interfaces with microcontrollers to switch high-voltage devices.
- Security Systems: Controls alarms, locks, and other security devices.
- Power Management: Switches high-power devices in automated systems.
Integration with Arduino

Sample Code
Integration with Raspberry Pi

Sample Code
Physical Attributes
- Dimensions: 138 x 56 x 20 mm
- Weight: 101 g
Package Includes
- 1 x 24V 8 Channel Isolated Relay Module optocoupler (with Light Coupling)
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T&C Apply.
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