GRI 3030-12-B 3/8" Recessed Switch Set, Standard Gap 1/2"+, Open Loop, Reed Form, 5W, Brown

Protect entry points with a compact, reliable contact engineered for professional security systems. The George Risk Industries GRI 3030-12-B recessed magnetic contact delivers discreet, tamper-resistant monitoring for doors and windows, making it ideal for intrusion detection, access control, and surveillance installations. The 3/8" recessed press-fit switch mounts flush for a low-profile appearance, while the standard 0.5"+ wide gap and reed-form open loop ensure dependable operation where alignment varies. Rated for up to 5W and offered with 12" leads or a terminal block, this magnetic contact integrates easily with alarm panels and monitoring equipment. Installers benefit from polarity guidance for wide-gap magnets and compatibility with GRI PA-75 collars when protecting steel doors. Built from steel and finished in brown to blend with wood or metal frames, the GRI 3030-12-B is a practical choice for commercial and residential security projects. Backed by George Risk Industries' lifetime limited warranty, it minimizes service calls and maximizes uptime. Upgrade your security or surveillance system with this trusted recessed magnetic contact—order now for seamless door/window monitoring.

• Discreet recessed design hides the sensor for clean, tamper-resistant installations on doors and frames
• Wide standard gap (0.5"+) and reed-form open loop provide reliable intrusion detection even with imperfect alignment
• Durable 3/8" press-fit switch and steel construction built for commercial security and surveillance environments
• Easy integration with alarm panels: 12" leads/terminal block options, built-in E.O.L. components available for monitoring
• US-made with a lifetime limited warranty and compatible with GRI PA-75 collars for steel door protection