4 Channel Relay Module 5V with Light Coupling
   

4 Channel Relay Module 5V with Light Coupling

The RELAY4 module is a 5V 4-channel relay board featuring opto-isolation for safe control of high-voltage AC loads. It supports 3.3V–5V logic signals, making it compatible with microcontrollers like Arduino and Raspberry Pi. Each relay includes normally open and closed contacts.

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₹249.00
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The RELAY4 is a robust 4-channel 5V relay module with opto-isolated inputs for enhanced safety when switching AC or DC loads. Each channel supports a normally open and normally closed contact, controlled via 3.3V–5V logic. It includes status LEDs, pull-down resistors to prevent false triggering, and is suitable for automation, home appliance control, and embedded systems. Compliant with international safety standards, this module isolates control and load areas for reliable high-voltage operation.

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Men 7-10 10-13 13-15 15-17
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