---
product_id: 161637576
title: "1 Channel Relay Module, 5V 1 Channel Relay Module Relay Board with Optocoupler Low Level Trigger Expansion Board for 5V/12V/24V(5V)"
brand: "keenso"
price: "$10.40"
currency: USD
in_stock: true
reviews_count: 6
url: https://www.desertcart.us/products/161637576-1-channel-relay-module-5v-1-channel-relay-module-relay
store_origin: US
region: United States of America
---

# 5mA trigger current 5V/12V/24V compatibility Easy terminal connections 1 Channel Relay Module, 5V 1 Channel Relay Module Relay Board with Optocoupler Low Level Trigger Expansion Board for 5V/12V/24V(5V)

**Brand:** keenso
**Price:** $10.40
**Availability:** ✅ In Stock

## Summary

> 🔧 Power Your Projects with Confidence!

## Quick Answers

- **What is this?** 1 Channel Relay Module, 5V 1 Channel Relay Module Relay Board with Optocoupler Low Level Trigger Expansion Board for 5V/12V/24V(5V) by keenso
- **How much does it cost?** $10.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/161637576-1-channel-relay-module-5v-1-channel-relay-module-relay)

## Best For

- keenso enthusiasts

## Why This Product

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

## Key Features

- • **Stable Performance:** Enjoy reliable operation with high-quality relays and photocoupler isolation.
- • **Seamless Integration:** Connect effortlessly with microcontrollers like Arduino and ARM.
- • **Fault-Tolerant Design:** Stay worry-free; the relay won't activate if the control line fails.
- • **Customer-Centric Support:** Experience peace of mind with our 24/7 customer service and refund policy.
- • **Versatile Voltage Options:** Choose your operating voltage: 5V, 12V, or 24V.

## Overview

The 1 Channel Relay Module by Keenso is a versatile and reliable relay board designed for seamless integration with various microcontrollers. It features a fault-tolerant design, multiple voltage options, and stable performance, making it an essential tool for any tech-savvy professional. With a commitment to customer satisfaction, this module also comes with robust after-sales support.

## Description

Full description not available

## Features

- Humanized Interface Design --- This 1 Channel Relay Module with Humanized interface design, all interfaces can be directly connected through the terminal lead, very convenient. Four fixing bolt holes are provided. Standard interface that can be controlled directly by microcontroller (Arduino ,, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic);
- Fault-tolerant Design --- This 1 Channel Relay Module with Fault-tolerant design,even if the control line breaks,the relay will not move. Power indicator light (green), 4-way relay state indicator light (red).
- More Choice --- Relay module operating voltage is 5V,12V,24V for choice. Each path of the module can be triggered by the high level or low level through a jumper setting.
- Stable Performance --- The Relay Board adopt patch photocoupler isolation, strong driving ability, stable performance. Trigger current is 5mA. The module can be high or low by a jumper setting trigger.The module uses genuine quality relay, normally open interfaces.
- After-sales service --- As a responsible seller, we promise that Money Refund/ New Replacement and within 24h online answer to your any questions. If your have any product issues, please do not hesitate to contact us. We will satisfy you with our professional product and service! Sincere thanks for your support!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Keenso |
| Part number | Keenso4teg5aou10-01 |
| Item Weight | 20 g |
| Manufacturer reference | Keenso4teg5aou10-01 |
| Wattage | 2.5E+3 |
| Item Package Quantity | 1 |
| Plug profile | Screw Mount |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

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

## Images

![1 Channel Relay Module, 5V 1 Channel Relay Module Relay Board with Optocoupler Low Level Trigger Expansion Board for 5V/12V/24V(5V) - Image 1](https://m.media-amazon.com/images/I/61QsaGqAp7L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well if you take into account that it is designed for Arduino initially.
*by N***U on 5 January 2020*

I used it to interface a commercial door bell to a paging system in a Hotel environment.Could have done with a data sheet for non Arduino projects like mine.Works well.

### ⭐⭐⭐⭐⭐ Works perfectly
*by K***R on 11 January 2021*

Prompt delivery. Works perfectly

### ⭐⭐ Not a reliable product/seller....
*by D***. on 1 July 2025*

Purchased 2 of these. Both worked initially, but one failed (stuck relay) after about 2 days use. Tried to contact seller for a return/replacement (as per their policy), no reply....Caution when buying from this seller...

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-04*