Nascom N78B/ST Recessed 1" Wide Gap Door Contact, Closed Loop, Normally Open, 1FA, Switch/Magnet Set, Brown

Keep entrances secure with the Nascom N78B/ST recessed magnetic contact — engineered to deliver dependable closed-loop monitoring for residential, commercial and industrial doors. This 1-inch recessed wide-gap door contact (N78 Series) mounts discreetly inside wood or steel doors to minimize tampering and preserve aesthetics while providing consistent Normally Open (N.O.) switch performance. Encapsulated, hermetically sealed contacts and a polypropylene housing reduce corrosion and maintenance, helping your security and surveillance systems stay online longer. The N78B/ST accepts wire-lead termination for quick wiring to alarm panels and monitoring systems, and its 2" standard gap tolerance reduces nuisance trips caused by door movement or seasonal warping. UL634 listing ensures compliance with recognized safety standards for access control components. Ideal for installers and facilities managers who need a rugged, low-profile magnetic contact for intrusion detection, access control, or perimeter monitoring. Add the Nascom N78B/ST to your next security system deployment for reliable door status notification — order today or contact sales to specify it for your next project.

• Fast, reliable door monitoring that reduces false alarms by tolerating door shift and warping
• Discreet recessed mounting for a clean, tamper-resistant installation in wood or steel doors
• Hermetically sealed, polypropylene housing for long-term durability in residential, commercial, and industrial environments
• Wide 1-inch recessed gap and 2" standard gap provide flexible placement and consistent closed-loop (N.O.) performance
• Pre-wired leads streamline installation and integration with alarm panels and security systems