GRI 4532-120 Miniature Overhead Door Switch with 10' Armored Lead

Optimize overhead door security with a rugged, installation-friendly sensor built for real-world use. The George Risk Industries 4532-120 miniature overhead door magnetic contact provides dependable door position monitoring for loading docks, warehouses, and service bays while withstanding harsh conditions. Its hermetically sealed, cast aluminum body and plated contacts resist corrosion, sticking and freezing—ensuring continuous surveillance and reduced maintenance in challenging environments. The unit ships with a 120-inch (10') stainless steel armored lead to protect wiring and allow flexible placement away from high-traffic or vibration-prone areas. With a 2.5" standard gap and normally-open (Form A) closed-loop contact, the 4532-120 integrates smoothly with security panels, access control systems, and monitoring platforms. Designed for installers who need a low-profile, durable sensor that performs reliably in cold, wet, or industrial settings, this magnetic contact balances toughness with compact footprint. For secure, long-lasting overhead door detection that reduces false alarms and downtime, specify the GRI 4532-120 for your next security, surveillance, or access control project—order now or contact us for bulk and customization options.

• Reliable door monitoring in harsh environments thanks to hermetic seal and cast aluminum housing
• 10' stainless steel armored lead enables flexible mounting and protects wiring from damage
• Compact miniature design fits tight overhead door applications and simplifies retrofits
• Plated contacts resist sticking or freezing for dependable operation in cold climates
• Normally-open closed-loop output provides straightforward integration with access control and alarm systems
• Lifetime limited warranty reduces total cost of ownership and supports long-term deployments