Magnasphere MSS-10CT-B Magnetic Ball Switch Magnet with Screw Terminal Module, Normally Closed

Protect entry points with confidence using the Magnasphere MSS-10CT-B magnetic ball switch — a recessed, concealed magnetic contact engineered for high-reliability security monitoring. This Magnasphere magnetic contact (10-pack, brown) uses proprietary BMS switch technology that is virtually unbreakable and resistant to contact welding and outside magnet defeat, delivering consistent performance in alarm systems, access control, and surveillance installations. The module features a screw-terminal connection for quick, tool-friendly wiring and a 3/8" recessed footprint that keeps sensors discreet on doors and windows. Normally closed (closed-loop) operation ensures dependable reporting to control panels and reduces nuisance trips for end customers, helping you lower maintenance costs and increase RMR. UL and ULC listing plus CE certification mean this sensor meets industry standards for professional installations. Ideal for residential and commercial applications where tamper resistance and long-term reliability matter. Specify the Magnasphere MSS-10CT-B to upgrade existing systems or standardize on a robust magnetic contact — order a 10-pack today to streamline installations and improve monitoring performance.

• Virtually unbreakable BMS magnetic switch reduces service calls and extends sensor life
• Screw-terminal module and 3/8" recessed design for fast, reliable wiring and discreet installation
• Normally closed (closed-loop) operation provides secure door/window monitoring and alarm compatibility
• Tamper- and magnet-defeat resistant to prevent bypass and false alarms in security and surveillance systems
• UL/ULC listed and CE certified, made in America — dependable choice for installers and integrators