---
product_id: 369053301
title: "2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger"
brand: "hiletgo"
price: "48 zł"
currency: PLN
in_stock: true
reviews_count: 5
category: "Hi Letgo"
url: https://www.desertcart.pl/products/369053301-2pcs-5v-one-channel-relay-module-relay-switch-with-opto
store_origin: PL
region: Poland
---

# 10A max current load 5V operating voltage SMD optocoupler isolation 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

**Brand:** hiletgo
**Price:** 48 zł
**Availability:** ✅ In Stock

## Summary

> ⚡ Switch smarter, not harder — power your projects with precision!

## Quick Answers

- **What is this?** 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger by hiletgo
- **How much does it cost?** 48 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/369053301-2pcs-5v-one-channel-relay-module-relay-switch-with-opto)

## 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

- • **Flexible Triggering:** Easily switch between high or low level triggers with a simple jumper setting.
- • **Seamless Integration:** User-friendly screw terminals for quick, tool-free connections.
- • **Fail-Safe Reliability:** Fault-tolerant design ensures relay stays put even if control line breaks.
- • **Powerhouse Performance:** Handles up to 10A at 250V AC or 30V DC for robust switching.
- • **Visual Status Indicators:** Dual LED indicators keep you instantly informed of power and relay status.

## Overview

The HiLetgo 2pcs 5V One Channel Relay Module offers a reliable 10A switching capacity with genuine quality relays and SMD optocoupler isolation for stable, noise-free operation. Designed for professional-grade projects, it features fault-tolerant circuitry, flexible high/low level trigger selection, and convenient screw terminal interfaces, making it the go-to choice for seamless automation and remote control applications.

## Description

Module description: 1.The module Operating voltage 5V;2.Fault-tolerant design, even if the control line is broken, the relay will not operate;3.The power indicator (green), the relay status indicator (red);4.Module size: 50mm*26mm*18.5mm (L*W*H). Interface: -Input VCC: Relay power supply + GND: Relay power supply - IN: Signal trigger input (High or Low Level Signal, select via jumper) -OutputNO: Relay normally open.COM: Relay Common Pin NC: Relay normally closed. High or Low Level Trigger Select: 1. Use High Level Trigger When ¡°IN¡± input High Level Signal, the ¡°NO¡± connect with ¡±COM¡± When ¡°IN¡± input Low Level Signal, the ¡°NC¡± connect with ¡°COM¡± 2. Use Low Level Trigger When ¡°IN¡± input Low Level Signal, the ¡°NO¡± connect with ¡±COM¡± When ¡°IN¡± input High Level Signal, the ¡°NC¡± connect with ¡°COM¡± 3. High or Low Level Trigger Select Jumper connect with L, Low Level Trigger Jumper connect with H, High Level Trigger Package Included： 2* 5V 1 Channel Relay Module

Review: As long as you have a multimeter this is one of the most reliable relay switches I have used. I have it sealed in a large shrink-wrap tube filled with hot glue freely mounted to the side of my bike.
Review: Connected this relay to Shelly Uni to be able to opens my front door remotely. Works really well

## Features

- The module uses genuine quality relay, normally open interfaces , Maximum load: AC 250V/10A, DC 30V/10A.
- Using SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA.
- Fault-tolerant design, even if the control line is broken, the relay will not move.
- The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient.
- The Module can be set by jumper high or low trigger.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00LW15A4W |
| Brand Name | HiLetgo |
| Coil Voltage | 5 Volts |
| Connector Type | Screw |
| Contact Current Rating | 10 Amps |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Current Rating | 10 Amps |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,120) |
| Manufacturer | HiLetgo |
| Maximum Switching Current | 10 Amps |
| Maximum Switching Voltage | 250 Volts |
| Minimum Switching Voltage | 5 Volts |
| Model | 3-01-0340 |
| Mounting Type | Surface Mount |
| Operation Mode | Automatic |
| Part Number | 3-01-0340 |
| Specification Met | Vcc |
| UPC | 702082655948 |
| Unit Count | 2 Count |
| Wattage | 5 watts |

## Product Details

- **Connector type:** Screw
- **Contact material:** Copper
- **Contact type:** Normally Open
- **Current rating:** 10 Amps
- **Mounting type:** Surface Mount

## Images

![2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger - Image 1](https://m.media-amazon.com/images/I/61Ynyg4Sd8L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***B on 19 October 2025*

As long as you have a multimeter this is one of the most reliable relay switches I have used. I have it sealed in a large shrink-wrap tube filled with hot glue freely mounted to the side of my bike.

### ⭐⭐⭐⭐⭐ Review
*by R***H on 30 December 2024*

Connected this relay to Shelly Uni to be able to opens my front door remotely. Works really well

### ⭐⭐⭐⭐ Review
*by G***E on 24 April 2022*

No es adecuado a lo que necesito.

## Frequently Bought Together

- HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger
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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-04-24*