Magnasphere MSS-20CT-W 3/4" Recessed/Concealed Contact Closed Loop with Terminals, White, 10 Pack

Protect perimeters with a tamper-resistant, low-maintenance solution designed for professional security installations. The Magnasphere MSS-20CT-W recessed/concealed magnetic contact provides reliable intrusion monitoring for doors and windows, replacing fragile reed-switch sensors with Magnasphere's award-winning BMS switch technology. Built as a 3/4" recessed contact in a discrete white finish, this closed-loop device includes easy-to-use terminals that speed wiring and reduce installation time for integrators and service teams.

Engineered to resist contact welding and outside magnet defeat, the MSS-20CT-W minimizes nuisance alerts and on-site service calls—saving time and lowering total cost of ownership. UL/ULC listed and CE certified, the 10-pack supports consistent, code-compliant deployments across commercial, retail, and multi-family projects. Ideal for intrusion detection, security monitoring, and alarm panel integration, these magnetic contacts work seamlessly with existing surveillance and access control systems.

Specify the Magnasphere MSS-20CT-W for durable, professional perimeter protection—order the 10-pack today or contact our sales team to discuss project-specific deployments.

• Virtually unbreakable BMS switch reduces maintenance and false alarms for long-term reliability
• 3/4" recessed/concealed design provides discreet perimeter protection on doors and windows
• Closed-loop contact with terminals simplifies wiring and ensures consistent monitoring for alarm panels
• UL/ULC listed and CE certified for code-compliant security and commercial installations
• 10-pack in white delivers cost-effective coverage for multi-door projects and fast deployments