Nascom N400B/ST Surface Mount Industrial Bar Switch/Magnet Set, Jacketed Wire Leads, 12", Brown

Designed for dependable door monitoring in commercial security and surveillance systems, the Nascom N400B/ST industrial bar magnetic contact delivers consistent performance where wide air and side-to-side gaps are required. This magnetic contact set features hermetically sealed, encapsulated contacts and a strong N35 NdFeB rare-earth magnet to reduce false alarms caused by door shifting or warping. With a standard 2.5" gap and jacketed center wire leadout, installers gain flexibility in placement and a cleaner, faster wiring method for alarm systems and access control panels. The ABS housing and included spacer simplify steel door installs while maintaining rugged durability for high-traffic environments. Listed to UL634, the N400 series meets industry expectations for safety and reliability in commercial monitoring applications. Ideal for perimeter security, retail shopfronts, office complexes, and industrial facilities, the Nascom N400B/ST balances robust build quality with straightforward installation. Add the N400B/ST to your next access control or alarm project for proven protection — order today.

• Reliable wide-gap protection that prevents false alarms on shifting or warped steel and wood doors
• Hermetically sealed, encapsulated contacts for long-term reliability in commercial security environments
• Powerful N35 NdFeB magnet and 2.5" standard gap for flexible placement and consistent monitoring
• Jacketed center wire leads for clean, secure wiring and faster installation in access control and alarm systems
• Durable ABS housing and spacer option for steel doors, listed to UL634 for trusted code compliance