---
product_id: 313479636
title: "HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger"
brand: "hiletgo"
price: "A$15"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/313479636-hiletgo-12v-4-channel-relay-module-with-opto-isolated-support
store_origin: AU
region: Australia
---

# 12V Power 4 Channel Control OPTO-Isolated Safety HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger

**Brand:** hiletgo
**Price:** A$15
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Projects with Precision Control!

## Quick Answers

- **What is this?** HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger by hiletgo
- **How much does it cost?** A$15 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/313479636-hiletgo-12v-4-channel-relay-module-with-opto-isolated-support)

## Best For

- hiletgo enthusiasts

## Why This Product

- Trusted hiletgo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Experience peace of mind with OPTO-isolation for enhanced protection.
- • **Compact Design:** Sleek SMD design fits seamlessly into any project.
- • **Versatile Triggering:** Supports both high and low-level triggers for maximum flexibility.
- • **Perfect for Innovators:** Ideal for DIY enthusiasts and professional projects alike.
- • **Unleash Your Automation:** Control multiple devices effortlessly with 4 independent channels.

## Overview

The HiLetgo 12V 4 Channel Relay Module is a versatile and reliable solution for automating your devices. Featuring OPTO-isolation for safety and supporting both high and low-level triggers, this compact module is perfect for both DIY projects and professional applications.

## Description

HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger

## Features

- HiLetgo 12V 4 Channel Relay Module
- Using SMD OPTOCOUPLER isolation
- High and Low Level Trigger

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Connector Type | Screw |
| Contact Material | Lead |
| Contact Type | Normally Closed, Normally Open |
| Current Rating | 10 Amps |
| Mounting Type | Screw Mount |
| Brand | HiLetgo |
| Operation Mode | Automatic |
| Wattage | 6E+1 |
| Coil Voltage | 12 Volts |
| Contact Current Rating | 10 Amps |
| Maximum Switching Current | 10 Amps |
| Maximum Switching Voltage | 250 Volts |
| UPC | 702082656167 |
| Manufacturer | HiLetgo |
| Item Weight | 2.39 ounces |
| Package Dimensions | 4.57 x 2.91 x 0.75 inches |
| Item model number | 3-01-0371 |
| Is Discontinued By Manufacturer | No |
| Color | Red |
| Material Type | lead |
| Size | Small |
| Manufacturer Part Number | 3-01-0371 |

## Product Details

- **Connector type:** Screw
- **Contact material:** Lead
- **Contact type:** Normally Open, Normally Closed
- **Current rating:** 10 Amps
- **Mounting type:** Screw Mount

## Images

![HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger - Image 1](https://m.media-amazon.com/images/I/719VuX-GPfL.jpg)

## Frequently Bought Together

- HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger
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- HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

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**Shop now:** [https://www.desertcart.com.au/products/313479636-hiletgo-12v-4-channel-relay-module-with-opto-isolated-support](https://www.desertcart.com.au/products/313479636-hiletgo-12v-4-channel-relay-module-with-opto-isolated-support)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-30*