GRI 2120-12-W 2120-12 Series 3/8" Press Fit Ribbed Recessed Switch Set, Closed Loop, N/O, A, White

For dependable perimeter security and unobtrusive door monitoring, the George Risk Industries 2120-12-W recessed magnetic contact delivers a fast, durable solution. This 3/8" press-fit ribbed switch set is designed to speed installations — the flexible, self-adjusting ribs conform to imperfect drill holes so you don’t need glue or extra shims. Built for wood frames and doors, the Form A (N.O.) closed-loop contact and integrated End-of-Line (EOL) resistor make it easy to connect to alarm panels and access control systems while maintaining tamper-resistant monitoring. With a standard 0.5" gap, crush-resistant construction, and 12" pre-attached wire leads, the 2120-12-W minimizes callbacks and stays secure through seasonal movement. Ideal for security integrators, facility managers, and contractors specifying intrusion detection and surveillance systems, this recessed magnetic contact balances discreet aesthetics with industrial reliability. Add the George Risk 2120-12-W to your next installation for a faster fit and dependable alarm performance — order now for projects requiring robust, low-profile door contacts.

• Quick, tool-free press-fit installation saves time on site — ribbed barrels flex to secure uneven or oversized holes
• Reliable closed-loop (N.O.) contact with End-of-Line resistor for straightforward integration into alarm and access-control panels
• Ribbed, crush-resistant design adapts to wood swelling and shifting headers for long-term reliability
• Low-profile 3/8" recessed mount provides discreet protection for doors and frames in security and surveillance applications
• Pre-wired leads and 12" length simplify wiring runs and reduce installation labor
• Backed by a lifetime limited warranty for confidence in critical intrusion monitoring