GRI 4461 Miniature Aluminum Commercial Switch Set, Standard 3/4" Gap, Open Loop, 18" Armored Cable

Protect high-traffic entry points with a compact, heavy-duty magnetic contact built for commercial security. The George Risk Industries 4461 miniature aluminum magnetic contact set delivers reliable door and window monitoring for institutional and commercial environments. Its low-profile 1.5" x 5/8" housing blends into frames while extruded aluminum construction stands up to wear, impact and environmental stress.

Designed for installers and security integrators, the 4461 includes an 18in armored cable option to safeguard wiring from tamper and abrasion, and a generous 0.75in standard gap to accommodate uneven mounting on heavy doors and frames. The open-loop N.C. (Form B) contact provides straightforward integration with alarm control panels, access control systems and video surveillance monitoring platforms for continuous, dependable perimeter protection.

Ideal for schools, hospitals, correctional facilities and commercial buildings, the GRI 4461 reduces nuisance alarms and service calls while simplifying installation. Backed by George Risk Industries’ lifetime limited warranty, it’s a practical choice for reliable security monitoring—order now for your next installation or retrofit.

• Rugged, tamper-resistant extruded aluminum housing with 18in armored cable for secure, long-lasting door monitoring
• Miniature 1.5" x 5/8" footprint fits tight frames for discreet sensor placement and clean installations
• Wide 3/4" standard gap tolerates uneven mounting and heavy institutional doors to reduce false alarms
• Open-loop, normally-closed (Form B) contact integrates easily with alarm panels, access control and surveillance systems
• Lifetime limited warranty provides long-term reliability and lower total cost of ownership for commercial deployments