Nascom N505AU/STSD Man Door Surface Mount Aluminum/Steel Door SPDT Switch, Silver

Designed for reliable man-door protection, the Nascom N505AU/STSD magnetic contact delivers stable, professional-grade security monitoring for access control and alarm systems. As a purpose-built Nascom magnetic contact, it combines No Dead Spot™ technology with a powerful N35 NdFeB magnet to prevent false alarms caused by door misalignment while maintaining an extra-wide 2.5" standard gap for flexibility on heavy-duty doors. Installers benefit from the flip-switch universal mount and SPDT contact choice, allowing fast, configurable wiring and orientation without sacrificing performance. Constructed from extruded anodized aluminum with 24" armored cable lead protection and 36" 22AWG wire leads, the N505AU/STSD stands up to industrial use, tampering and outdoor perimeter demands. UL634 listing and wired termination ensure straightforward integration with surveillance, monitoring and access control panels. Ideal for commercial entrances, loading docks and security gates, this Nascom magnetic contact simplifies installation and reduces nuisance alarms. Specify the N505AU/STSD for dependable door security—order now to upgrade your access control and monitoring installations.

• Reliable, false-alarm-free monitoring with No Dead Spot™ technology for consistent security detection
• Flexible installation: flip-switch universal mount and SPDT contacts adapt to door orientation and system wiring
• Extra-wide 2.5" gap and N35 NdFeB rare-earth magnet for dependable activation on heavy or misaligned man doors
• Rugged, tamper-resistant construction: extruded anodized aluminum body with 24" armored cable lead protection for harsh environments
• Long 36" 22AWG wire leads and wired termination simplify integration with access control and alarm panels
• UL634 listing and industrial-grade components deliver long-term performance for commercial security and perimeter applications