1. Alarm Sensors & Motion Detectors Items
  2. sku: 7947705429845853
  3. WESUA MCS-31

WESUA Pack Magnetic Door Contacts Switch Sensor Alarm MCS-31 313041838816

Wesua 313041838816 5 Pack Surface Mounted Nc Magnetic Door Contacts Switch Sensor For Alarm

( Brand: Wesua ), ( Part Type: Contact Switch Sensor Alarm ), ( Unit Count: 10.0 Count ), ( Item Dimensions L X W X H: 8.27 X 5.91 X 0.79 Inches ), ( Mfr Part Number: Mcs-31 ), ( Power Source: Battery Powered ), ( Color: White ), ( Sensor Technology: Magnetic ), ( Control Method: App ), ( Compatible Devices: Alarm System ), ( Item Weight: 0.12 Kilograms ), ( Connectivity Technology: Wired ), ( Alert Type: Motion ), ( Built-in Media: Switch ), ( Installation Method: Surface-mounted ), ( Assembly Instructions Description: Easy To Install, No Professional Help Required ), ( UPC: 313041838816 )

Review WESUA Pack Mounted Nc Magnetic Door Contacts Switch Sensor For Alarm

Introducing the Wesua 313041838816 Magnetic Door Contact Switch Sensor, an essential accessory for securing your home or business with an alarm system. This versatile and reliable sensor is designed to detect the opening or closing of doors and windows, providing you with peace of mind and an added layer of security.

The Wesua Magnetic Door Contact Switch Sensor is a simple yet effective solution for monitoring access points in your property. It consists of two parts: a magnet and a sensor. When the magnet is separated from the sensor, an electrical circuit is broken, triggering an alarm response. The sensor is designed to be easily installed, requiring no tools or wiring expertise.

This door contact switch sensor is constructed from high-quality materials, ensuring durability and long-lasting performance. The sensor housing is made from a robust ABS material, while the magnetic contact is made from a strong neodymium magnet. This magnetic contact is weather-resistant, making it suitable for both indoor and outdoor use.

Measuring 1.8 inches in length, 1.2 inches in width, and 0.4 inches in height, the Wesua Magnetic Door Contact Switch Sensor is compact and unobtrusive. Its sleek design allows it to blend seamlessly into your environment, while its powerful magnetic force ensures reliable and secure contact.

The Wesua 313041838816 Magnetic Door Contact Switch Sensor is suitable for use with most alarm systems and is compatible with various voltage ranges, including 12V DC and 24V AC. It is also easy to install and configure, with clear instructions provided in the user manual.

Whether you're securing a residential or commercial property, the Wesua 313041838816 Magnetic Door Contact Switch Sensor is an indispensable tool for monitoring access points and ensuring the safety and security of your space. With its high-quality construction, reliable performance, and easy installation, this sensor is an excellent addition to any alarm system.

Wesco 313041838816 Pack NC Magnetic Door Contacts Switch Sensor for Alarm: A Comprehensive Analysis

The Wesco 313041838816 Pack NC Magnetic Door Contacts Switch Sensor is an essential security component for alarm systems. This device helps detect the opening or closing of doors and windows, triggering an alarm when necessary. In this analysis, we will discuss the advantages and disadvantages of this product to help you make an informed decision.

Advantages:

1. High Sensitivity: The Wesco magnetic door contacts offer a high level of sensitivity, ensuring reliable detection of door openings and closings.

2. Durable Construction: The sensor is built with robust materials, making it suitable for heavy-duty use in both residential and commercial applications.

3. Easy Installation: The magnetic door contacts come with pre-drilled mounting holes and self-adhesive pads, making the installation process quick and straightforward.

4. Versatile Application: These contacts can be used on various types of doors and windows, including those with glass, making them a versatile security solution.

5. Cost-Effective: The pack of 12 contacts offers good value for money, allowing users to secure multiple entry points at an affordable price.

Disadvantages:

1. Limited Distance: The magnetic door contacts may not work effectively if the magnet and the contact are more than a few inches apart, limiting their application in larger doors or windows.

2. False Alarms: The sensors can sometimes trigger false alarms due to magnetic interference from nearby objects, requiring users to reset the alarm system.

3. Battery-Powered: Some models of these contacts may require battery replacement, adding to the long-term maintenance costs.

Conclusion:

The Wesco 313041838816 Pack NC Magnetic Door Contacts Switch Sensor for Alarm is a dependable and cost-effective security solution for various applications. Its high sensitivity, durable construction, and easy installation make it an attractive choice for both home and business owners. However, users should be aware of its limited distance and potential for false alarms. To mitigate these issues, consider testing the sensors in their intended environment and ensuring proper installation.

Recommendation:

If you're in the market for magnetic door contacts and are looking for a reliable, cost-effective solution, the Wesco 313041838816 Pack NC Magnetic Door Contacts Switch Sensor for Alarm is an excellent choice. Be sure to consider the application's specific requirements, such as door size and interference sources, before making a purchase. Additionally, ensure proper installation and regular maintenance to maximize the product's performance and longevity.

Details:

Small size, nice looking, ideal for window or wood en door. When door closed, reed switch is effected by magnet and turn ON; when open, OFF, trigger alarm. NC magnetic contact switch sensor. Magnetic contacts is widely used for alarm system panel to detect state of door.

It consist of a reed switch part and magnet. ABS normally closed door contact switch, alarm when the magnet part away. Screws installation make it more firm. Contact type: NC, Material: ABS plastic, Color: white, Pack: 5 pairs/bag.

Application: door / window entry burglar alarm system.

specifications secimotions:

  • brand: Wesua
  • part type: Contact Switch Sensor Alarm
  • unit count: 10.0 Count
  • item dimensions l x w x h: 8.27 X 5.91 X 0.79 Inches
  • mfr part number: Mcs-31
  • power source: Battery Powered
  • color: White
  • sensor technology: Magnetic
  • control method: App
  • compatible devices: Alarm System
  • item weight: 0.12 Kilograms
  • connectivity technology: Wired
  • alert type: Motion
  • built-in media: Switch
  • installation method: Surface-mounted
  • assembly instructions description: Easy To Install, No Professional Help Required
  • upc: 313041838816

general secimotions:

  • Surveillance Smart Home Electronics > Home Surveillance > Sensors Motion Detectors
  • condition: New

offer secimotions:

  • started: May 12, 2026
  • quantity: 1
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

payments secimotions:

  • wallet: Apple-pay
  • credit card: Visa
  • other

seller secimotions:

  • city: Denver, Colorado
  • # reviews: 0
  • rating: 0.0%

shipping secimotions:

  • transit: 3-8 Days
  • cost: $0.00
  • type: Fixed
  • class: Expedited
  • service: Expedited

returns secimotions:

  • paid by: Seller
  • policy: Returns Accepted
  • method: Money back
  • time: 30 Days
part type: contact switch sensor alarm, unit count: 10.0 count, item dimensions l x w x h: 8.27 x 5.91 x 0.79 inches, mfr part number: mcs-31, power source: battery powered, sensor technology: magnetic, control method: app, compatible devices: alarm system, item weight: 0.12 kilograms, connectivity technology: wired, alert type: motion, built-in media: switch, installation method: surface-mounted, assembly instructions description: easy to install, no professional help required,
category: electronics > surveillance smart home electronics > home surveillance > sensors motion detectors, color: white, sku: 7947705429845853,

Wesua MCS-31 Is Similar To:

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5 offers $12.40–$16.99 USD
  • Offer #1: $12.40 price + $0.00 shipping estimate = $12.40* total. Sensor Technology Magnetic. It consist of a reed switch part and a magnet part.FREE SHIPPING
  • Offer #2: $16.99 price + $0.00 shipping estimate = $16.99* total.FREE SHIPPING
  • Offer #3: $12.93 price + $5.89 shipping estimate = $18.82* total. Application: door / window entry burglar alarm system.+$5.89 shipping
  • Offer #4: $16.23 price + $0.00 shipping estimate = $16.23* total. Surface mount installation. Power Source: Battery Powered (Alarm Dependent).FREE SHIPPING
  • Offer #5: $11.79 price + $0.00 shipping estimate = $11.79* total. Screws installation make it more firm. Compatible Devices Alarm System.FREE SHIPPING

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