Nascom N505AUTM/ST Overhead Door Rail 2-1/4" Mount, Magnet/Switch Set Featuring No Dead Spot Technology, Silver

Built for dependable overhead door security, the Nascom N505AUTM/ST is a track-mount magnetic contact designed to eliminate nuisance alarms and simplify installation. This commercial-grade door sensor uses Nascom’s NO DEAD SPOT™ technology so the switch remains accurate through the full up-and-down travel of industrial doors, delivering consistent monitoring for access control and surveillance systems. The Flip Switch™ design and universal 2-1/4" track mount let technicians install the unit in under 60 seconds, while the N35 NdFeB magnet and 36" 22 AWG wire leads provide strong gap performance and secure wired connectivity. Constructed from extruded Type II anodized aluminum and protected with 24" stainless-steel armored cable, this wired magnetic contact withstands demanding environments and reduces maintenance downtime. UL634 listing confirms suitability for commercial security applications. Ideal for security integrators and facility managers, the Nascom N505AUTM/ST ensures reliable door position reporting for alarm panels, monitoring, and building automation—add it to your next access control or surveillance deployment.

• Eliminates false alarms with NO DEAD SPOT™ technology, ensuring reliable overhead door monitoring
• Fast, installer-friendly setup — flip-switch design and universal mount for under 60 seconds installation
• Robust construction with extruded Type II anodized aluminum and 24" stainless-steel armored cable for harsh commercial environments
• High-performance N35 NdFeB magnet and 36" 22 AWG leads for extended gap performance and dependable wired connectivity
• UL634-listed for commercial security applications, making it ideal for integration into surveillance and access control systems