4959SN ADEMCO Magnetic Contacts Overhead Door

Review ADEMCO New In Package Original Magnetic Contacts Overhead Door

The ADemco 4959SN Magnetic Contact Overhead Door Sensor is a reliable and easy-to-install security accessory designed for use with overhead doors. This magnetic contact sensor is engineered to detect the magnetic field created by the closure of the door, ensuring that it is securely closed and preventing unwanted access to your garage or other protected areas.

The 4959SN sensor is engineered with a durable and weather-resistant design, making it suitable for both indoor and outdoor applications. The sensor consists of two parts: a fixed magnet and a movable contact. The magnet is securely mounted to the door frame or jamb, while the contact is mounted to the moving door section. When the door is closed, the magnet and contact come into contact, completing a circuit and signaling to your security system that the door is secure.

This sensor is compatible with most standard overhead doors, including those with insulated sections, and can be easily installed without the need for professional assistance or extensive wiring. The sensor comes with mounting hardware and clear installation instructions, making it a simple addition to any security system.

The ADemco 4959SN Magnetic Contact Overhead Door Sensor features a super-sensitive design, ensuring reliable and accurate detection of door position. It also includes a built-in test feature, allowing you to easily verify that the sensor is functioning properly. The sensor is also designed to resist tampering, with a secure mounting design that makes it difficult for intruders to remove or bypass.

In summary, the ADemco 4959SN Magnetic Contact Overhead Door Sensor is a versatile and effective security accessory that is easy to install and provides reliable detection of overhead door position. Its durable and weather-resistant design makes it suitable for both indoor and outdoor applications, and its super-sensitive design ensures accurate and reliable detection. With a simple installation process and built-in test feature, this sensor is an essential addition to any home security system.

Pros and Cons of Buying an ADemco 4959SN Magnetic Contact for Overhead Doors

The ADemco 4959SN Magnetic Contact is a popular choice for securing overhead doors in residential and commercial settings. This device is an essential component of a security system that relies on monitoring the status of doors and windows. In this analysis, we will outline the key advantages and disadvantages of investing in an ADemco 4959SN Magnetic Contact for your overhead door.

1. Easy Installation: The ADemco 4959SN Magnetic Contact is straightforward to install. It requires no wiring or drilling, making it a convenient option for those who prefer DIY installations.

2. Versatile: This magnetic contact is suitable for various door types, including sectional, rolling, and tilt-up doors.

3. Durable: The ADemco 4959SN Magnetic Contact is built to withstand harsh environments. It's resistant to moisture, dust, and extreme temperatures, ensuring reliable performance under various conditions.

4. Cost-Effective: Compared to other contact types, such as reed switches or mercury switches, magnetic contacts like the ADemco 4959SN are generally more cost-effective due to their ease of installation and long lifespan.

1. Limited Range: Magnetic contacts, including the ADemco 4959SN, have a limited operating range. They can only detect the door's position within a specific distance, which may not be ideal for larger doors or those with significant gaps.

2. Sensitivity: Magnetic contacts can be sensitive to electromagnetic interference (EMI) and radio frequency interference (RFI). This sensitivity may cause false alarms or prevent the contact from registering when the door is closed.

3. Dependence on Door Closure: Magnetic contacts rely on the door being closed to function correctly. If the door is left open or not closing properly, the contact will not register the door's status, which could lead to security concerns.

The ADemco 4959SN Magnetic Contact offers several advantages, including easy installation, versatility, durability, and cost-effectiveness. However, it does have some limitations, such as a limited operating range, sensitivity to interference, and dependence on proper door closure. Despite these cons, the benefits typically outweigh the drawbacks, making the ADemco 4959SN Magnetic Contact an excellent investment for securing overhead doors in various settings.

If you're looking for an affordable, reliable, and easy-to-install magnetic contact for your overhead door, the ADemco 4959SN is an excellent choice. However, it's crucial to ensure that the contact is installed correctly and that the door is closing properly to maintain optimal performance and security.

Details:

New in package they do have the same ISBN number as Honeywell.

specifications alarmpartsacc:

• brand: Ademco
• mpn: 4959sn
• part type: Door
• upc: 781410007512

offer alarmpartsacc:

• prices: $13.00–$35.00
• item condition:
  • New
  • New – Open box
• started: june 8, 2025
• options: ship-to-home
• availability: in stock
• sold #: 17

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• wallet: apple-pay
• other
• credit card: diners-club

seller alarmpartsacc:

• rating: 100.0%
• # reviews: 1143
• city: rockford, illinois

shipping alarmpartsacc:

• class: standard
• transit: 4-10 days
• service: usps ground advantage
• carrier: usps
• type: calculated

returns alarmpartsacc:

• policy: no returns

general alarmpartsacc:

• category: Business & Industrial > Surveillance Equipment > Systems > Alarm Parts Accessories