---
product_id: 65914283
title: "KMtronic USB Relay Controller - One Channel - PCB"
brand: "kmtronic"
price: "FREE"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/65914283-kmtronic-usb-relay-controller-one-channel-pcb
store_origin: GB
region: United Kingdom
---

# Supports up to 15A DC / 10A AC USB-powered convenience Compatible with major lab software KMtronic USB Relay Controller - One Channel - PCB

**Brand:** kmtronic
**Price:** FREE
**Availability:** ✅ In Stock

## Summary

> ⚡ Control your world with a single click—power meets precision!

## Quick Answers

- **What is this?** KMtronic USB Relay Controller - One Channel - PCB by kmtronic
- **How much does it cost?** FREE with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/65914283-kmtronic-usb-relay-controller-one-channel-pcb)

## Best For

- kmtronic enthusiasts

## Why This Product

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

## Key Features

- • **Tested & Ready:** Comes fully assembled and tested—zero setup headaches
- • **Compact Control:** One-channel relay on a sleek PCB, ideal for precise automation
- • **Software Synergy:** Works effortlessly with LabVIEW, ProfiLab, DAQFactory, and more
- • **Plug & Play Power:** Fully USB-powered for seamless integration—no extra adapters needed
- • **High-Load Handling:** Handles up to 15A DC or 10A AC, perfect for demanding control tasks

## Overview

This USB Relay Controller is a compact, fully assembled PCB device powered directly via USB. It supports switching loads up to 15A DC or 10A AC and integrates seamlessly with popular lab and automation software, making it an essential tool for precise, high-current control applications.

## Description

A general purpose USB Relay board (controller) for connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC. USB Relay Board allows a PC to control a single external device using simple RS232 commands. Relay is fully powered from the USB bus. Free download USB relay board control software.

## Features

- Fully assembled and tested
- Fully powered from USB
- For 12V/24V DC 15A or 120V/220V AC at 10A max
- It can be used with LabVIEW, ProfiLab, DAQFactory, TestPoint, DASYLab, VEE

## Product Details

- **Connector type:** USB
- **Current rating:** 10 Amps
- **Mounting type:** PCB Mount
- **Brand:** KMtronic
- **Operation mode:** Automatic

## Images

![KMtronic USB Relay Controller - One Channel - PCB - Image 1](https://m.media-amazon.com/images/I/617HetQU-mL.jpg)

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**Shop now:** [https://www.desertcart.co.uk/products/65914283-kmtronic-usb-relay-controller-one-channel-pcb](https://www.desertcart.co.uk/products/65914283-kmtronic-usb-relay-controller-one-channel-pcb)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-18*