Magnasphere MSS-89SL 4" Surface Mount Contact Open Loop with 12" Jacketed Leads, Universal Mounting, White

Built for reliable, long-term intrusion detection and monitoring, the Magnasphere MSS-89SL magnetic contact delivers rugged performance where conventional reed switches fail. This Magnasphere magnetic contact uses award-winning, reed-free switch technology to eliminate breakage and reduce nuisance alarms—improving uptime for security and surveillance systems. The 4" surface-mount housing and universal mounting pattern speed installation, while 12" jacketed leads enable tidy, secure wired connections to alarm panels and access control devices. Designed as an open-loop (N.O.) contact with a standard 0.5" gap and low 250 mW power consumption, the MSS-89SL is ideal for perimeter monitoring, door/window protection, and integrated security projects. TAA compliant and manufactured in the US, it meets procurement standards for commercial and government deployments and includes a 1-year limited warranty. Choose the MSS-89SL to enhance intrusion detection reliability in CCTV, alarm, and access control installations—add it to your next security or surveillance deployment.

• Reed-free Magnasphere switch design reduces failures and false alarms for dependable long-term intrusion detection
• Compact 4" surface-mount profile with universal mounting simplifies installation on doors and frames
• 12" jacketed leads provide secure wired connectivity and fast integration with alarm panels and access control systems
• Open-loop (N.O.) contact with 0.5" standard gap offers consistent performance across typical door/window alignments
• TAA compliant and US-made construction supports government and commercial procurement requirements