Magnasphere MSS-53SL 2.5" Surface Mount Contact Open Loop with 12" Jacketed Leads, White

Secure doors and windows with a dependable, reed-free sensor designed for professional security and surveillance installations. The Magnasphere MSS-53SL magnetic contact uses award-winning Magnasphere switch technology to eliminate common reed-switch failures — it won’t break, fuse, or weld under normal fault conditions — providing reliable intrusion detection and continuous monitoring. The surface-mount MSS-53SL ships in a compact 2.5-inch housing with 12-inch jacketed leads for flexible wiring and retrofit work, and it supports a 0.5-inch standard gap for accurate door/window reporting. Rated for up to 30V DC and low current draw (250 mA), it integrates easily with access control panels, alarm systems, and building management platforms. TAA-compliant and manufactured in the US, this magnetic contact is ideal for commercial, institutional, and government security projects. Add the Magnasphere MSS-53SL to your next access control or intrusion monitoring installation to improve reliability and reduce maintenance — order today for secure, long-lasting protection.

• Reed-free Magnasphere technology delivers long-term reliability and reduces false alarms for security and monitoring systems
• Rugged surface-mount design resists contact welding and physical defeat, protecting critical access points
• 12-inch jacketed leads simplify wiring and retrofit installations for access control and intrusion detection
• Operates up to 30V DC with low power draw (250 mA), making it compatible with most alarm control panels
• Compact 2.5-inch housing and 0.5-inch standard gap enable discreet placement on doors and windows
• TAA-compliant and made in the US for procurement and compliance-sensitive projects