Magnasphere MSS-105S-G Open Loop Overhead Door Contact, Rail Mount, Gray

Secure high-traffic overhead doors with the Magnasphere MSS-105S-G Open Loop Overhead Door Contact, engineered to deliver reliable access monitoring where it matters most. This Magnasphere magnetic contact uses breakthrough Magnasphere switch technology to offer near-unbreakable performance, reducing mechanical failures and lowering service calls. The rail-mount design simplifies installation on door tracks and rails, saving labor time and minimizing disruption to operations. As an open-loop contact rated to resist permanent contact welding and external magnet interference, the MSS-105S-G maintains consistent surveillance and accurate alarm reporting, protecting loading docks, warehouses, and commercial entrances.

Certified to UL and ULC standards and CE marked, this overhead door contact meets rigorous compliance requirements for professional security systems and integrates smoothly with existing alarm and access control platforms. Made in America for dependable supply chain support, it’s an ideal choice for installers and integrators focused on long-term performance and reduced total cost of ownership. Improve your facility security and operational efficiency—specify the MSS-105S-G for overhead door monitoring or contact our sales team to add it to your next deployment.

• Provides near-unbreakable monitoring to reduce false alarms and downtime
• Rail-mount design for fast, low-cost installation on overhead doors and tracks
• Open-loop magnetic contact resists permanent contact welding and external magnet defeat
• UL, ULC and CE certifications ensure compliance for commercial security deployments
• Built for long service life and lower maintenance, improving system uptime and RMR