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Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - 5 Sets
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Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - 5 Sets
Easy To Install door contact sensors work as an anti-theft alarm, ideal for metal doors and windows.
Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - 5 Sets
Item #: 24125067

Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - 5 Sets

Item #: 24125067

SLE 657

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*All items will import from US

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Order now and get it around Thursday, August 27
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Easy To Install door contact sensors work as an anti-theft alarm, ideal for metal doors and windows.
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What Stands Out

Recessed Design
The MC-33C features a discreet recessed design, perfect for maintaining a seamless look in any window or door, enhancing security without compromising aesthetics.
Normally Closed
Its normally closed configuration ensures that the alarm triggers whenever a door or window is opened, providing reliable security coverage against unauthorized entry.
Multiple Sets
This product comes in a pack of five sets, offering excellent value for comprehensive home security installation across various entry points, ensuring complete peace of mind.

Product Details

Upgrade your alarm system with Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor. Works for sliding windows and doors, perfect for homes and factories. Easy to wire with small screw terminals. Shop now with 90-day hassle-free warranty, Refund or Replacement available. Shop at Ubuy Sierra Leone
Operation ModeOff
Current Rating220 Amps
Operating Voltage60 Volts
Contact TypeNormally Closed
Connector TypeScrew
BrandEilumduo
Switch TypeMagnetic Reed Switch
TerminalScrew
MaterialPlastic
Circuit Type1-way

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners seeking added security for doors and windows to prevent unauthorized access.

  • Business Owners

    Perfect for small business owners who need reliable entry point monitoring to enhance workplace security.

  • Security Enthusiasts

    Great for DIY security system builders looking for effective sensors to integrate into their setups.

Not Suitable For
  • Apartment Dwellers

    Not ideal for renters or apartment dwellers unable to modify fixtures without landlord approval.

Product Description

Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - 5 Sets

About This Item

Introducing the Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - 5 Sets! This specially designed alarm sensor is perfect for ensuring the security of your windows and doors. With its sleek and compact design, this sensor seamlessly blends into any home or office environment. It works effortlessly with all alarm systems, providing you with peace of mind and added security.

The MC-33C sensor is ideal for aluminum sliding windows and doors, making it versatile and suitable for various applications. Whether it's for your family home or a factory setting, this sensor is reliable and built to last. One of the standout features of the MC-33C sensor is its small screw terminals, which make wiring hassle-free and straightforward.

Say goodbye to complicated installations and hello to a user-friendly experience. This closed-loop magnetic contact sensor features a terminal block style connection that easily accepts wire, ensuring secure connections and reliable performance. Crafted from high-quality ABS material, this sensor is durable and built to withstand daily use.

We offer the MC-33C sensor in both black and white, allowing you to choose the color that best suits your decor. In this package, you will receive 5 sets of the Normally Closed Recessed Window Door Contact Sensors, so you can cover multiple entry points and enhance your overall security setup. At Hxchen, we prioritize customer satisfaction and stand behind the quality of our products.

That's why we offer a hassle-free warranty and a 90-day money-back guarantee. If you are not completely satisfied with your purchase, we will happily provide a refund or replacement for any quality-related issues. Don't compromise on the security of your windows and doors.

Choose the MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - 5 Sets and protect what matters most to you. Order now and experience enhanced peace of mind!.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch?

    Answer: The MC-33C is a security sensor designed for windows and doors that utilizes a magnetic reed switch for monitoring. This normally closed switch remains in the 'off' position until the magnet is displaced, indicating that a window or door has been opened. This feature makes it ideal for home security systems as it helps in detecting unauthorized entry. The sensor can be integrated into various alarm systems for enhanced protection, making it an essential addition for homeowners seeking peace of mind.
  • Question: How does the MC-33C sensor work?

    Answer: The MC-33C sensor operates through a magnetic reed switch mechanism. When the magnet is aligned with the sensor, the circuit is complete, and the alarm stays disabled. If the window or door opens and the magnet moves away, the circuit breaks, activating the alarm system. This reliable functioning supports secure environments, effectively alerting homeowners about potential breaches. Consider installing it on all entry points of your property for comprehensive coverage.
  • Question: Is the installation of the MC-33C sensor easy?

    Answer: Yes, the installation of the MC-33C sensor is user-friendly and often takes only a few minutes. It typically comes with adhesive backing or screws for mounting, requiring minimal tools. Most users can install it without professional assistance. For best results, mount the sensor on the door or window frame and the magnet on the moving part, ensuring proper alignment. This simplicity allows you to quickly enhance your home security effectively.
  • Question: Can I use the MC-33C sensor with any alarm system?

    Answer: The MC-33C sensor is compatible with most standard alarm systems that accept magnetic reed switches. Before installation, it's essential to check the specifications of your alarm system for compatibility. Utilizing this sensor ensures you can integrate advanced security measures into your existing setup effortlessly. Many users find it effective in bolstering protection for homes or offices, enhancing overall safety.
  • Question: What should I do if the MC-33C sensor isn't functioning correctly?

    Answer: If the MC-33C sensor does not seem to be working, start by verifying the alignment between the magnet and sensor. Ensure they are close enough for proper operation. Additionally, check the wiring connections or replace the batteries if applicable. If problems persist, refer to the user manual or reach out to customer support for troubleshooting assistance. Regular maintenance can ensure the longevity and reliability of the sensor.
  • Question: Are there any additional features of the MC-33C sensor?

    Answer: While the primary function of the MC-33C sensor is to detect openings, it may come equipped with features like a built-in LED indicator that alerts users when it’s activated. Some models might have delayed triggers to prevent false alarms from pets or small objects. These enhancements make the sensor versatile in use, providing a dependable and intelligent security solution for varying applications like homes, offices, and retail spaces.
  • Question: Can I expand my security system using multiple MC-33C sensors?

    Answer: Absolutely! The MC-33C sensor is designed to be used in multiple units within your security setup. By deploying additional sensors, you can monitor multiple windows and doors simultaneously, maximizing your property’s safety. This scalability makes it a popular choice among homeowners and business owners alike, allowing for comprehensive monitoring to deter intruders effectively. Ensure your alarm system can accommodate multiple sensors for optimal performance.
  • Question: What is the typical lifespan of the MC-33C sensor?

    Answer: The lifespan of the MC-33C sensor can vary based on usage and environmental factors, but they are generally built to last for several years under normal conditions. When properly installed and maintained, they can effectively monitor entry points without frequent replacements. Regularly checking the unit for wear and tear and ensuring the surroundings are clean can help extend the sensor's longevity, ensuring satisfactory long-term performance.
  • Question: How do I maintain my MC-33C sensor?

    Answer: Maintaining the MC-33C sensor is straightforward. Regularly clean the sensor and magnet area to remove dust or debris that could affect its performance. Check for proper alignment, and periodically test the system to ensure it is functioning correctly. Also, replace any batteries as needed if applicable. Routine inspections can prevent issues, ensuring a reliable alarm system for your property.
  • Question: Where can I buy the MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - 5 Sets?

    Answer: You can purchase the MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - 5 Sets from Ubuy in Sierra Leone. Ubuy offers a user-friendly platform, ensuring that you can find and order your desired products with ease. They provide reliable shipping options and excellent customer service, making it convenient to enhance your home security with this effective sensor.

Eilumduo Reed Switches Editorial Review

The MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch has elicited a mixed reception from its users. Many appreciate the convenience of set screws instead of soldering, facilitating an easier installation process. This is particularly beneficial for those dealing with existing wiring, as one user highlighted the simplicities of replacing old sensors with these new ones, ultimately eliminating false alarms. However, quality control seems to be an issue, with several customers reporting defects. One user received a sensor that Constantly showed a closed status, while others experienced inConsistent performance. The strength of the magnets also drew criticism; some found that their lack of strength could lead to operational failures, especially in the presence of nearby steel materials. The feedback indicates a need for extra sensors as a precaution against potential defects, Consistently suggesting that customers should order more than they initially need. Despite some negative experiences, the general Consensus is that for the price, the product offers a good deal of value, particularly for those seeking a way to upgrade window alarm systems without extensive rewiring. Users find comfort in the fact that adjustments can be made with minimal hassle. **

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Pros

  • Easy installation with set screws, eliminating soldering.
  • Allows use of existing wiring, facilitating replacement of old sensors.
  • Good value for money by offering multiple sensors in one purchase.

Cons

  • Weak magnets that can cause operational failures near steel structures.

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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SLE 657

Order now and get it around Thursday, August 27

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Anti-theft alarm system
  • Ideal for metal doors and windows
  • Easy installation with small screw terminals
  • Closed loop magnetic contact design
  • Terminal block style connection
  • NC type - Normally Closed circuit operation

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