Nascom N505AUTM/STDD Overhead Door Rail 1/4" Mount DPDT Magnet/Switch with 24" Armored Cable, No Dead Spot Technology, Silver

Designed for commercial and industrial overhead doors, the Nascom N505AUTM track mount magnetic contact delivers dependable security and monitoring where false alarms and mechanical wear are unacceptable. This magnetic contact combines Nascom’s No Dead Spot™ technology with a DPDT closed-loop contact to maintain reliable state sensing throughout full door travel—eliminating nuisance alarms caused by up/down motion. Built for tough environments, the extruded anodized aluminum housing and 24" stainless steel armored cable protect the sensor and wiring from impact and abuse while the 36" 22AWG leads enable fast integration with alarm panels, access control and building management systems. With a generous 2.5" standard gap and UL634 listing, the N505AUTM supports code-compliant installations and consistent surveillance performance. Installers benefit from a universal track mount and a flip-switch design that installs in under a minute, reducing labor and downtime. Specify the Nascom N505AUTM magnetic contact for your next security, access control, or surveillance project to ensure durable, low-maintenance overhead door monitoring.

• Eliminates false alarms with No Dead Spot™ technology for consistent overhead door monitoring
• Heavy-duty track mount and extruded anodized aluminum housing protect against industrial wear and environment
• DPDT closed-loop design provides dual-circuit monitoring for reliable integration with access control and alarm systems
• 24" stainless steel armored cable and 36" 22AWG leads shield wiring from damage and simplify field connections
• Quick-switch installation (under 60 seconds) reduces labor time and lowers overall installation cost