QWORK MC-31 Wired Magnetic Door Window Contact Sensor Alarm 7445046811877

( Brand: Qwork ), ( Part Type: Contact Sensor Alarm ), ( Current Rating: 10 Amps ), ( Mounting Type: Door Mount ), ( Material: Plastic ), ( Connector Type: Screws ), ( Terminal: Screw ), ( Operation Mode: Automatic ), ( Circuit Type: 1-way ), ( Contact Type: Normally Closed ), ( Size: Mc-31 ), ( UPC: 445046811877 )

Review QWORK Wired Surface mounted Nc Magnetic Door Window Contact Sensor Alarm

Introducing the Qwork MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm, a reliable and efficient solution for securing your doors and windows against unauthorized entry. This contact sensor is designed with a magnetic design, making it suitable for use on doors and windows.

The MC-31 sensor consists of two main parts: a magnetic reed switch and a magnet. The magnetic reed switch is installed on the fixed frame or door jamb, while the magnet is attached to the moving part, such as the door or window. When the door or window is closed, the magnet attracts the reed switch, completing the electrical circuit and allowing the system to be in the normal state. When the door or window is opened, the magnet is separated from the reed switch, breaking the circuit and triggering an alarm.

This contact sensor is wired, meaning it requires a power source and a connection to an alarm system or control panel. The wiring is simple, with only two wires for the normally closed circuit. The sensor is also NC (Normally Closed), meaning it is in the closed position when the door or window is closed and in the open position when it is open.

The Qwork MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm is made of high-quality materials, ensuring durability and reliability. It is suitable for use in various environments, including residential and commercial applications. The sensor is also easy to install, making it a convenient choice for DIY home security projects.

In summary, the Qwork MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm is a versatile and effective security solution for doors and windows. Its magnetic design, simple wiring, and reliable performance make it an excellent choice for securing your home or business against intruders.

Pros and Cons of Buying Qwork MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm

The Qwork MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm is a security device designed to detect open doors or windows. This product can be a valuable addition to securing your home or business. In this analysis, we will discuss the pros and cons of purchasing this Qwork sensor.

1. High Sensitivity: The Qwork MC-31 has a high sensitivity, which means it can detect even the slightest movement or opening of doors or windows.

2. Durable Design: The sensor's surface-mounted design ensures it can withstand harsh conditions, making it suitable for both indoor and outdoor use.

3. Easy Installation: The wired design allows for easy installation, as it can be connected directly to a security system or an alarm control panel.

1. Limited Compatibility: The Qwork MC-31 is designed to work with wired systems only. It may not be compatible with wireless or battery-operated security systems.

2. Requires Expert Installation: While the installation process is relatively simple, it may require some technical knowledge to ensure proper setup and connection to the security system.

3. Dependent on Power Supply: Since it's a wired device, it relies on a constant power supply. In case of power outages, the sensor may not function correctly.

The Qwork MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm offers several advantages, such as high sensitivity and a durable design. However, it may not be suitable for those who use wireless or battery-operated security systems. Additionally, it requires expert installation and is dependent on a power supply.

If you're looking for a reliable and sensitive door or window contact sensor for your wired security system, the Qwork MC-31 is an excellent choice. However, ensure you have the necessary expertise to install it correctly and consider the potential limitations before making a purchase.

Details:

12mm and 64 20 12mm L W H, pack of 10 with 40 screws. If the magnet is closed to this switch, signal conductive, otherwise, if far away from disconnected. NC Type: means normally closed. Ideal for door, window security.

5.8mm, Actuation Distance: 8mm 18mm. Applications: It is suitable for magnetic windows, doors, cabinets etc. Specification: Contact Type: NC, Hole DOA. QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 10 with 40 Screws:: Current Rating Amps, Number Items 10, Mounting Type Mount, Brand QWORK, Material Plastic, Connector Screws, Terminal Screw, Operation Mode automatic, Circuit 1-way, Normally Closed, Switch Size.

Product name: Surface-mounted Magnetic Door Switch, Type: MC-31, Color: White, Material: Plastic.

part #: 445046811877 prices

• $9.69-$19.99

specifications secimotions:

• brand: Qwork
• part type: Contact Sensor Alarm
• current rating: 10 Amps
• mounting type: Door Mount
• material: Plastic
• connector type: Screws
• terminal: Screw
• operation mode: Automatic
• circuit type: 1-way
• contact type: Normally Closed
• size: Mc-31
• upc: 445046811877

shipping secimotions:

• class: Expedited
• service: Expedited
• cost: $0.00
• type: Fixed
• transit: 3-5 Days

seller secimotions:

• city: Denver, Colorado
• # reviews: 75
• rating: 100.0%

payments secimotions:

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

offer secimotions:

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

general secimotions:

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

returns secimotions:

• paid by: Seller
• method: Money back
• time: 30 Days
• policy: Returns Accepted

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