
( Brand: Qwork ), ( Manufacturer Part Number: WD3811 ), ( Part Type: Contact Sensor Alarm ), ( Connectivity Protocol: X-10 ), ( Mounting Type: Door Mount ), ( Switch Type Magnetic Reed Switch: Material Plastic ), ( Control Method: Touch ), ( Connector Type: Screws ), ( Terminal: Screw ), ( Operation Mode: Automatic ), ( Actuator Type: Magnetic ), ( Contact Type: Normally Closed ), ( Package Dimensions: 5.71 X 4.45 X 0.63 Inches; 0.01 Ounces ), ( Size: Mc-31 ), ( UPC: 445029647639 )
The QWORK WD3811 MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm is a reliable and versatile security device designed to monitor the opening and closing of doors and windows. This product is an essential addition to any home or business security system, providing peace of mind by alerting you to any unauthorized access.
The QWORK WD3811 is a surface-mounted contact sensor, meaning it can be easily installed on any door or window frame without drilling holes. It comes with a magnetic detector that can be attached to the moving part of the door or window, allowing for seamless integration with the contact sensor. The sensor and detector are connected by a 2.5mm two-conductor cable, which can be up to 10 meters long, ensuring flexibility in installation.
The QWORK WD3811 operates on a Normally Closed (NC) principle, meaning the circuit is closed when the door or window is closed and the magnetic detector is in contact with the contact sensor. If the door or window is opened, the magnetic field is broken, and the circuit opens, triggering an alarm or sending a signal to your security system. The QWORK WD3811 can be used with most alarm systems and is compatible with a wide range of voltage levels, including 12V DC and 24V AC.
The QWORK WD3811 is made of high-quality materials, ensuring durability and reliability. It is weather-resistant, making it suitable for both indoor and outdoor use. The sensor and detector are also protected by a corrosion-resistant finish, ensuring they can withstand various environmental conditions.
The QWORK WD3811 is easy to install, requiring no professional assistance. It comes with clear instructions and mounting hardware, including screws and anchors. The sensor and detector can be easily adjusted for optimal sensitivity, ensuring reliable operation.
In conclusion, the QWORK WD3811 MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm is a versatile and reliable security device. Its surface-mounted design, compatibility with various voltage levels, and weather-resistant construction make it a suitable choice for both home and business security systems. Its easy installation and adjustable sensitivity ensure reliable operation, providing peace of mind and enhancing your security.
Pros of buying Qwork WD3811 MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm:1. Cost-effective: The Qwork WD3811 MC-31 is an affordable option for those looking to add security to their homes or businesses.
2. Easy installation: The sensor can be easily installed on doors or windows without the need for professional assistance.
3. Reliable: The product is made from high-quality materials and is designed to be durable and reliable.
4. Versatile: The sensor can be used on both doors and windows, making it a versatile addition to any security system.
5. Compatibility: The Qwork WD3811 MC-31 is compatible with most alarm systems, making it a convenient choice for those with existing systems.
Cons of buying Qwork WD3811 MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm:1. Limited range: The sensor has a limited range of up to 20 feet, which may not be sufficient for larger homes or businesses.
2. Limited warranty: The product comes with a limited warranty, which may not offer enough protection for those looking for long-term peace of mind.
3. Manual reset: The sensor requires a manual reset in the event of an alarm, which can be inconvenient for some users.
4. Not waterproof: The sensor is not waterproof, which may make it unsuitable for use in damp or humid environments.
Conclusion:The Qwork WD3811 MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm is a cost-effective and reliable option for adding security to homes or businesses. Its easy installation and versatility make it a convenient choice for those with existing alarm systems. However, its limited range, limited warranty, manual reset, and lack of waterproofing may be drawbacks for some users. Ultimately, whether or not to purchase the Qwork WD3811 MC-31 will depend on the specific needs and preferences of the user.
Recommendation:If you are looking for a cost-effective and reliable security sensor for your home or business, the Qwork WD3811 MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm may be a good option for you. However, it is important to consider its limitations and determine if they are acceptable for your needs before making a purchase. Additionally, it may be worth considering other options with longer warranties or waterproofing capabilities if those features are important to you.
If the magnet is closed to this switch, signal conductive, otherwise, if far away from disconnected. QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws:: Item model number WD3811, Connectivity Protocol X-10, Number Items 5, Mounting Type Mount, Switch Material Plastic, Brand QWORK, Control Method Touch, Connector Screws, Terminal Screw, Operation Mode automatic, Actuator Magnetic, Normally Closed, Manufacturer Package Dimensions 5.71 x 4.45 0.63 inches; 0.01 ounces, Size. Specification: Contact Type: NC, Hole DOA. NC Type: means normally closed.
12mm and 64 20 12mm L W,pack of 5 with 20 screws. 5.8mm, Actuation Distance: 8mm 18mm. Ideal for door, window security.: name: Surface-mounted Magnetic Door Switch, Type: MC-31, Color: White, Material: Plastic.
Applications: It is suitable for magnetic windows, doors, cabinets etc.