1 CHANNEL RELAY MODULE 30A WITH OPTOCOUPLER ISOLATION 5V SUPPORTS HIGH AND LOW TRIGER ( USED )

The 1 Channel Relay Module 30A is a high-current, high-power control module designed to switch AC or DC loads with precision and electrical isolation. It features a high-quality 30A relay, capable of handling demanding appliances, and is equipped with an opto-isolator to protect your control circuitry from voltage spikes or surges.

This module supports both high-level and low-level triggering, making it flexible for use with a wide range of microcontrollers, including Arduino, Raspberry Pi, ESP32, and other digital platforms. The relay’s output is clearly marked for easy connection to AC or DC loads.

Its solid build, large current handling capacity, and optocoupler isolation make it ideal for industrial automation, smart home projects, and high-power electronics control.

Specifications:

Relay Channels: 1

Operating Voltage: 5V DC

Trigger Type: High-level and Low-level supported

Relay Output Capacity:

AC: 250V 30A

DC: 30V 30A

Isolation: Optocoupler isolation

Input Pins: VCC, GND, IN (signal)

Indicator LED: Power and relay status indicators

Board Size: Compact form factor, typically 50mm x 26mm (varies slightly by batch)