24h eligibleSKU: ACT-0051
Four-channel 5V relay module for switching isolated AC or DC loads from microcontroller outputs.
₹159
This four-channel relay board uses four electromechanical relays with optocoupler isolation and screw terminals. It is suited to home automation, IoT switching, lamps, solenoids, and other loads. Each channel exposes COM, NO, and NC contacts for flexible switching.
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