GRI 200-36HD Floor Mount Industrial Overhead Door Switch Set, 3" Standard Gap, 10W, 200VDC, 0.50A, Closed Loop, N/O, and 36" Stainless-Steel Armored Cable, Aluminum

Built for industrial environments, the George Risk Industries 200-36HD floor mount magnetic contact delivers dependable overhead door protection where standard plastic switches fail. This floor-mount magnetic contact uses an extruded 6063 T5 aluminum housing rated to withstand crushing loads up to 20,000 lbs, protecting the sensitive reed switch while maintaining accurate door position monitoring. With a 3" standard gap and an expanded activation zone, the 200-36HD handles loose-fitting, worn or damaged doors without missing a closure. The included 36" stainless-steel armored cable ensures secure, tamper-resistant wiring to your alarm, access control or surveillance system, while the closed-loop normally-open contact provides simple integration with monitoring and security panels. Rated for DC operation and commercial installations, this rugged magnetic contact reduces false alarms and maintenance costs in warehouses, loading docks, and high-traffic facilities. Rely on George Risk Industries' heavy-duty construction and lifetime warranty to keep your site secure—specify the 200-36HD for reliable overhead door monitoring and improved site security.

• Protects heavy industrial overhead doors by isolating the reed switch inside a crush-resistant 6063 T5 aluminum housing, ensuring reliable security and monitoring under extreme traffic
• Wide 3" activation gap and expanded sensing area accommodate loose-fitting or worn doors for consistent contact detection and fewer false alarms
• 36" stainless-steel armored cable provides rugged, tamper-resistant connectivity for long runs to access control, alarm panels or PLCs
• Closed-loop normally-open (N/O) contact simplifies integration with alarm, surveillance and access control systems for dependable door position feedback
• Lifetime warranty and US-made construction reduce downtime and total cost of ownership for facilities managers and security integrators