Nascom N78CB/STSD Recessed 3/4" SPDT Switch/Magnet Set for Steel/Wood Doors, Wire Leads, Brown

Protect entrances with dependable, low-profile intrusion detection using the Nascom N78CB recessed magnetic contact. Designed for security integrators and facility managers, this 3/4-inch recessed SPDT magnetic contact set provides consistent door monitoring and reduces nuisance alarms caused by door shift or warpage. The N78C Series features hermetically sealed contacts in a durable polypropylene housing with a 1.25-inch standard gap, making it suitable for steel and wood door applications across residential, commercial, and industrial sites. Preterminated 12-inch wire leads and a 30V DC rating simplify integration with alarm panels, access control systems, and surveillance setups, saving installation time and minimizing callbacks. UL634 listing gives installers confidence in code-compliant performance. Ideal for retrofit and new-construction projects where a discreet, reliable door contact is required, the Nascom N78CB balances durability and ease of installation so security teams can focus on system performance. Add this magnetic contact to your next security or monitoring deployment for proven, low-maintenance protection.

• Reduces false alarms by compensating for door shifting and warping, ensuring reliable security monitoring
• Recessed 3/4-inch design provides a discreet, tamper-resistant installation for steel and wood doors
• SPDT hermetically sealed contacts deliver consistent performance and long-term reliability in commercial environments
• Pre-wired 12" wire leads speed installation and simplify wiring into alarm panels and access control systems
• Durable polypropylene housing and UL634 listing ensure code-compliant use in residential, commercial, and industrial projects