GRI 184-12 184 Series 1" Steel Door Recessed Switch Set, Standard Gap, 10W, 200VDC, 0.40 Amp, Closed Loop, N/O, A, and U.L. 10C Fire Rated Black

Secure perimeter doors with a compact, code-ready magnetic contact built for commercial security and access control. The George Risk Industries GRI 184-12 is a 1" steel recessed magnetic contact engineered for reliable door monitoring on steel and fire-rated frames. Its recessed mount hides the switch from tampering while the UL 10C fire-rated construction provides compliance for life-safety doors. With a standard 0.5" gap and closed-loop N/O Form A contact, the 184-12 delivers consistent alarm signaling for intrusion, surveillance and monitoring systems. Rated for up to 200 VDC and 0.40 A with 12" leads and self-locking mounting, it integrates easily into alarm panels, access control and building management systems. The solid one-piece steel design and included end-of-line resistor streamline installation and reduce service calls. Backed by a lifetime warranty, the GRI 184-12 is ideal for commercial, industrial and institutional applications where durability and code compliance matter. Add the GRI 184-12 to your security or access control specification today—contact sales or order online to deploy reliable door monitoring.

• Concealed, recessed 1" steel design for tamper-resistant perimeter protection and clean aesthetics
• UL 10C fire-rated construction ensures code-compliant door monitoring on fire-rated steel doors
• Reliable closed-loop N/O contact with 0.5" standard gap for consistent alarm and access-control performance
• 12" leads and self-locking mount simplify installation and reduce labor time on retrofit or new builds
• Heavy-duty steel body and lifetime warranty lower lifecycle costs for commercial and industrial deployments