GRI 185-12-G 3/4" Steel Door Recessed Switch Set, Standard Gap, 5W, 175VDC, 0.25 Amp, Open Loop, N/C, B, Gray

Protect entrances with a compact, tamper-resistant contact engineered for dependable door monitoring. The George Risk Industries GRI 185-12-G recessed magnetic contact is a 3/4" steel switch set designed for commercial and industrial steel doors and frames. As a normally-closed (N.C.) open-loop device with a 0.5" standard gap and 12" leads, it provides consistent status reporting to access control, alarm and surveillance systems while simplifying wiring with an integrated end-of-line resistor and self-lock mounting. Rated for 175VDC and 0.25A with a low 5W draw, the GRI 185-12-G meets UL/ULC standards and is built for long service backed by a lifetime warranty. Its recessed mount preserves door aesthetics and reduces tamper risk, making it ideal for high-traffic entries, server rooms, and secure facilities. Add this reliable magnetic contact to your next access control or security monitoring project to improve installation speed and long-term system integrity.

• Flush recessed 3/4" steel design minimizes tampering and maintains door aesthetics for secure commercial installations
• Normally-closed (N.C.) monitoring with a 0.5" standard gap ensures reliable door/status detection for access control and surveillance systems
• UL/ULC approved and backed by a lifetime warranty for long-term dependability and code-compliant deployments
• 12" leads, self-lock mounting and EOL resistor simplify wiring and speed installation to reduce labor costs on projects
• Heavy-duty steel construction and 175VDC/0.25A rating deliver rugged performance for industrial and high-traffic door applications
• Open loop configuration compatible with wired security, monitoring and alarm panels for easy integration