GRI 2020-12 3/8" Press Fit Recessed Switch Set, 1/2" Standard Gap, 10W, 200VDC, 0.50A, Closed Loop, N/O, A, Brown

For dependable perimeter security and intrusion monitoring, the George Risk Industries GRI 2020-12 recessed magnetic contact delivers a low-profile, professional solution for commercial and institutional installations. This recessed 3/8in press-fit magnetic contact is engineered for clean, tamper-resistant mounting in doors, frames and cabinets, providing reliable closed-loop N/O signaling to alarm panels and access control systems. With a standard 0.5in gap and rated for 200VDC at 0.5A (10W), the 2020-12 balances sensitivity and durability to minimize nuisance alarms while ensuring dependable surveillance coverage. Steel construction and a softer internal fill protect the reed switch during installation and operation, extending service life and lowering maintenance costs. The wired connectivity and hybrid installation type make it ideal for retrofits and new builds where discreet monitoring is required. Backed by UL/ULC approvals and a lifetime warranty, the GRI 2020-12 integrates seamlessly into security, alarm and monitoring applications where reliability matters. Specify this magnetic contact for doors, server rooms, cabinets, and controlled access points—order now or contact us for compatibility and installation support.

• Discreet recessed design for clean, tamper-resistant installations that blend into doors and frames
• Reliable closed-loop N/O magnetic contact with a 0.5in standard gap for consistent alarm monitoring
• Press-fit 3/8in housing enables quick retrofit and new installs with minimal wiring disruption
• Rugged steel construction and soft fill protect the reed switch, reducing maintenance and false trips
• UL/ULC-approved design with lifetime warranty for long-term confidence in commercial security systems