This 4 Channel 5V Relay Module is designed for switching high-voltage or high-current loads safely using low-voltage digital signals from a microcontroller. Equipped with opto-isolation, it ensures stable performance and electrical protection between control logic and output relays.
Each relay supports both Normally Open (NO) and Normally Closed (NC) contacts, with a maximum contact rating of AC 250V 10A or DC 30V 10A. The module is compatible with popular microcontrollers such as Arduino, AVR, PIC, ARM, Raspberry Pi, and PLCs.
With its onboard indicator LEDs for power and switching status, it provides a reliable solution for smart home projects, industrial automation, and appliance control.
4-channel 5V relay module with optocoupler isolation
Supports AC 250V/10A and DC 30V/10A loads
Compatible with Arduino, AVR, PIC, ARM, Raspberry Pi, PLCs, and other MCUs
Input control voltage: 1.0V–5V (works with both high-level and low-level triggers)
Onboard status indicator LEDs for safe monitoring
Includes NO and NC contacts for flexible control
Opto-isolated design for enhanced safety and noise immunity
Compliant with international safety standards
Model Type: Relay Module
Number of Channels: 4
Operating Voltage: 5V DC
Trigger Current: 20 mA
Switching Voltage (AC): 250V @ 10A
Switching Voltage (DC): 30V @ 10A
Dimensions (L × W × H): 75 × 55 × 18 mm
Weight: ~55 g
Relay Types (Randomly Supplied): JQC3F-5VDC-C, SRD-05VDC-SL-C, FL-3FF-S-Z
1 × 4 Channel Isolated 5V 10A Relay Module with Optocoupler
Home automation
Industrial automation
Smart home control systems
Robotics and motor control
Appliance switching (fans, lamps, heaters, etc.)
Security and alarm systems
DIY electronics projects
Product specifications, weight, and performance may vary depending on batch and usage conditions. Always use with proper safety precautions when working with high-voltage AC loads.
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