Magnasphere MSS-20CT-G 3/4" Recessed / Concealed Contact Closed Loop with Terminals, Gray

Optimize perimeter security with the Magnasphere MSS-20CT-G, a 3/4 in recessed/concealed magnetic contact built for reliable monitoring and intrusion detection. This Magnasphere magnetic contact combines closed-loop functionality with terminal connections to streamline wiring into alarm panels and access control systems. Engineered to resist contact welding and physical breakage, the MSS-20CT-G delivers long service life and lower maintenance costs—critical for 24/7 security and surveillance deployments. Its tamper-resistant construction helps prevent outside defeat, keeping door and window sensors operational in high-risk or high-traffic environments. The shallow 3/4 in profile and universal mounting make the contact easy to install in door frames, sashes, and other tight locations while the neutral gray finish conceals the device for discreet protection. Ideal for commercial, retail and residential applications that require dependable closed-loop contacts for monitoring, alarm signaling and access control, the MSS-20CT-G is a practical choice for integrators and facility managers. Order now to upgrade your intrusion detection setup or contact our sales team for bulk and system integration support.

• Tamper-resistant recessed design protects against external defeat for reliable intrusion detection
• Durable Magnasphere switch tech prevents contact welding and breakage, reducing maintenance and downtime
• Concealed 3/4 in profile provides discreet installation for doors and windows in commercial or residential security systems
• Closed-loop with terminal connections simplifies wiring for alarm panels, monitoring and access control applications
• Universal mounting and gray finish blend with frames for easy, professional installation and surveillance integration