GRI 190-12-BL 3/4" Steel Door Recessed Switch Set, Standard Gap, 5W, 175VDC, 0.25A, Open/Closed SPDT, C, Black

Keep perimeter access reliably monitored without compromising appearance. The George Risk Industries GRI 190-12-BL magnetic contact is a 3/4" recessed steel door switch set engineered for discrete, dependable door monitoring in security, surveillance and access control systems. Its compact recessed body and solid steel construction resist tampering and wear, while the SPDT (Form C) contact provides flexible wiring for fail-safe or supervisory circuits. Rated for 175VDC with a standard 0.5" gap and supplied with 12" leads, the GRI 190-12-BL installs quickly into commercial and industrial doors and adapts easily to residential projects. An end-of-line (EOL) resistor and UL/ULC approvals simplify panel integration and ensure compliance with common alarm and monitoring standards. Backed by George Risk Industries' lifetime warranty, this wired magnetic contact reduces nuisance alarms and long-term maintenance costs. Specify the GRI 190-12-BL for robust door protection in alarm, access control and surveillance applications—contact sales to order or add it to your next project.

• Discreet recessed design hides the contact for clean, tamper‑resistant door monitoring that preserves aesthetics and improves security
• Durable 3/4" steel construction offers long service life in commercial, industrial and residential openings
• SPDT (Form C) output and built‑in EOL resistor simplify integration with alarm panels, access control and monitoring systems
• Standard 0.5" gap and 12" leads make retrofits and new installs fast, reducing labor time and costs
• UL/ULC approvals and lifetime warranty deliver code compliance and confidence for critical perimeter security deployments