---
product_id: 224495552
title: "HALJIA 5V 30A 2 Channel High and Low Level Trigger Relay Module Intelligent Home PLC Automation Control Compatible with Arduino"
brand: "haljia"
price: "VT6819"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/224495552-haljia-5v-30a-2-channel-high-and-low-level-trigger
store_origin: VU
region: Vanuatu
---

# 30A high power relay Dual channel control Optocoupler isolation HALJIA 5V 30A 2 Channel High and Low Level Trigger Relay Module Intelligent Home PLC Automation Control Compatible with Arduino

**Brand:** haljia
**Price:** VT6819
**Availability:** ✅ In Stock

## Summary

> ⚙️ Automate smarter, not harder — power your projects with precision!

## Quick Answers

- **What is this?** HALJIA 5V 30A 2 Channel High and Low Level Trigger Relay Module Intelligent Home PLC Automation Control Compatible with Arduino by haljia
- **How much does it cost?** VT6819 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/224495552-haljia-5v-30a-2-channel-high-and-low-level-trigger)

## Best For

- haljia enthusiasts

## Why This Product

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

## Key Features

- • **Dual Channel Control:** Manage two independent circuits simultaneously with high/low level triggers.
- • **User-Friendly Design:** Clear LED relay indicators and black 9500 terminal for hassle-free wiring.
- • **Interference Immunity:** Built-in optocoupler isolation ensures rock-solid signal integrity.
- • **Powerhouse Performance:** Handles up to 30A load effortlessly for heavy-duty automation.
- • **Versatile Compatibility:** Seamlessly integrates with Arduino, PLCs, and IoT systems for smart automation.

## Overview

This 5V 30A dual-channel relay module features a robust double-sided PCB, optocoupler isolation for interference resistance, and LED indicators for real-time status. Designed for seamless integration with Arduino, PLCs, and IoT devices, it supports high-current loads up to 900W, making it ideal for intelligent home automation and industrial control.

## Description

HALJIA 5V 30A 2 Channel High and Low Level Trigger Relay Module Intelligent Home PLC Automation Control Compatible with Arduino

## Features

- Adopt double-sided PCB board, the whole module layout is reasonable and beautiful. Control load with high power relay up to 30A.
- Each channel is equipped with optocoupler isolation and strong anti-interference ability.
- Black 9500 terminal, more convenient, high current wiring.
- Each channel has a relay-on switch LED indication, and the continuity is clearly visible. Control zone and load zone have isolation slots.
- Applied to PLC automation equipment control, industrial system control, Internet of Things control, home intelligent control, electronic enthusiast development experiments, various circuit modification, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HALJIA |
| Part number | ADN1903022 |
| Item Weight | 90.5 g |
| Product Dimensions | 7.3 x 7.1 x 2.6 cm; 90.5 g |
| Manufacturer reference | ADN1903022 |
| Voltage | 5 Volts |
| Wattage | 900 watts |
| Plug profile | DIN Rail Mount |
| Specification met | Basic Specifications Met |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Connector type:** Screw
- **Contact type:** Normally Closed
- **Current rating:** 30 Amps
- **Mounting type:** DIN Rail Mount
- **Brand:** HALJIA

## Images

![HALJIA 5V 30A 2 Channel High and Low Level Trigger Relay Module Intelligent Home PLC Automation Control Compatible with Arduino - Image 1](https://m.media-amazon.com/images/I/71vDp3N0hIS.jpg)
![HALJIA 5V 30A 2 Channel High and Low Level Trigger Relay Module Intelligent Home PLC Automation Control Compatible with Arduino - Image 2](https://m.media-amazon.com/images/I/71p82wg4Y2S.jpg)
![HALJIA 5V 30A 2 Channel High and Low Level Trigger Relay Module Intelligent Home PLC Automation Control Compatible with Arduino - Image 3](https://m.media-amazon.com/images/I/71RKVOZNZrS.jpg)
![HALJIA 5V 30A 2 Channel High and Low Level Trigger Relay Module Intelligent Home PLC Automation Control Compatible with Arduino - Image 4](https://m.media-amazon.com/images/I/71D1S9rgVGS.jpg)
![HALJIA 5V 30A 2 Channel High and Low Level Trigger Relay Module Intelligent Home PLC Automation Control Compatible with Arduino - Image 5](https://m.media-amazon.com/images/I/51yr3sXft4L.jpg)

## Frequently Bought Together

- HALJIA 5V 30A 2 Channel High and Low Level Trigger Relay Module Intelligent Home PLC Automation Control Compatible with Arduino
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**Shop now:** [https://www.desertcart.vu/products/224495552-haljia-5v-30a-2-channel-high-and-low-level-trigger](https://www.desertcart.vu/products/224495552-haljia-5v-30a-2-channel-high-and-low-level-trigger)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-07*