---
product_id: 377078638
title: "MC-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System Actuation Distance: 15 – 25 mm Normally Close Connection"
brand: "robotism"
price: "£4.30"
currency: GBP
in_stock: true
reviews_count: 3
url: https://www.desertcart.co.uk/products/377078638-mc-38-wired-door-window-sensor-magnetic-switch-for-home
store_origin: GB
region: United Kingdom
---

# 15-25mm actuation range Normally closed connection Easy embedded installation MC-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System Actuation Distance: 15 – 25 mm Normally Close Connection

**Brand:** robotism
**Price:** £4.30
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in safety with precision-triggered peace of mind!

## Quick Answers

- **What is this?** MC-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System Actuation Distance: 15 – 25 mm Normally Close Connection by robotism
- **How much does it cost?** £4.30 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/377078638-mc-38-wired-door-window-sensor-magnetic-switch-for-home)

## Best For

- robotism enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Setup:** Wired connection guarantees stable performance with minimal installation hassle.
- • **Versatile Use Cases:** Perfect for alarms or automated lighting in cupboards and sliding doors.
- • **Seamless Integration:** Designed to embed discreetly into door or window frames for a sleek look.
- • **Precision Trigger Range:** Reliable activation within 15-25mm for flawless security.
- • **Fail-Safe Normally Closed:** Ensures constant circuit monitoring for instant alerts.

## Overview

The MC-38 Wired Door Window Sensor by ROBOTISM COMPONENTS offers a reliable magnetic switch with a 15-25mm actuation distance and normally closed circuit design. Engineered for easy embedded installation in doors or windows, it triggers alarms or controls lighting with stable wired connectivity, making it an essential upgrade for smart home security and automation.

## Description

MC-38 Wired Door Window Sensor Magnetic Switch Home Alarm System can be used as a door or window security system. It produces the signal when moved away from each other which can be fed to the microcontroller to perform the desired action as per requirement.

## Features

- This sensor suitable to use for trigger alarm or ON/OFF light inside a cupboard sliding door. This wired sensor is trigger by the magnet. When the magnet is closed by, the circuit is closed or open if the magnet far from the sensor.
- Easy to install
- Magnetic sensor alarm, control the switch of the circuit via the built-in magnet
- Designed to do embedded in the door or window frame.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Sensor Technology | Contact Sensor |
| Manufacturer | ROBOTISM COMPONENTS |
| Model number | mc38 |
| Number of Memory Sticks | 1 |
| Item model number | mc38 |

## Product Details

- **Colour:** White
- **Brand:** Robotism
- **Power Source:** Corded Electric
- **Control Method:** Touch
- **Mounting Type:** Door Mount

## Images

![MC-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System Actuation Distance: 15 – 25 mm Normally Close Connection - Image 1](https://m.media-amazon.com/images/I/21MIqX9CJDL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good working
*by A***G on 8 October 2024*

Good working

### ⭐⭐⭐⭐⭐ Good product
*by S***L on 24 December 2023*

GOOD PRODUCT WITH PRACTICAL APPLICATION

### ⭐ Over priced
*by A***R on 2 December 2024*

From other sites and in bulk this is priced @ Rs 32 a piece. So much margin so best o warn customers.

## Frequently Bought Together

- MC-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System Actuation Distance: 15 – 25 mm Normally Close Connection
- Dehmy Air Curtain Door Sensor limit switch(white, ABS)

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**Shop now:** [https://www.desertcart.co.uk/products/377078638-mc-38-wired-door-window-sensor-magnetic-switch-for-home](https://www.desertcart.co.uk/products/377078638-mc-38-wired-door-window-sensor-magnetic-switch-for-home)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-17*