GRI 50F-12-B-BA 1/2" Miniature Surface Mount Switch Set, Standard Gap 1/2"+, Closed Loop, Reed Form, 10W, Breakaway Flanges, Brown

Protect doors and windows with a compact, easy-to-install magnetic contact engineered for dependable perimeter security. The George Risk Industries 50F-12-B-BA miniature surface mount magnetic contact combines a low-profile housing, 12" leads and a closed-loop reed (Form A) for accurate monitoring of doors, windows and cabinets. The standard 1/2"+ gap provides reliable trip performance in typical residential and light commercial applications while the 10W reed form supports compatible alarm circuits. Installers benefit from flexible mounting—self-adhesive 3M tape for fast placement or breakaway flanges for screw-mounted durability—so you can adapt quickly to site conditions and reduce labor time. UL/ULC listing and a lifetime warranty give facility managers and integrators the confidence needed for long-term surveillance and access control deployments. Ideal for intrusion detection, monitoring and security system expansions. Add the G.R.I. 50F-12-B-BA to your next alarm or access control project to streamline installation and maintain reliable perimeter protection.

• Fast, low-profile installation with 3M adhesive and 12" leads for quick integration into alarm and access control systems
• Dual mounting options: breakaway flanges for secure screw mounting or adhesive-only for unobtrusive surface mount placement
• Reliable closed-loop reed contact (Form A) with a standard 1/2"+ gap for consistent perimeter and door monitoring
• UL/ULC listed and backed by a lifetime warranty to reduce long-term maintenance and compliance concerns
• Brown finish and compact footprint blend into residential and light commercial environments for discreet intrusion detection