Nascom B505AUTM/ST Overhead Door Rail Mount Magnet / Switch Set, No Dead Spot, 2-1/4", Black Anodized

Keep overhead doors reliably monitored with the Nascom B505AUTM/ST Overhead Door Rail Mount Magnet/Switch Set. Designed specifically for rail-mounted applications, this magnetic contact eliminates "dead spot" detection gaps so security systems maintain continuous, accurate reporting. The compact 2-1/4" size and black anodized finish provide a low-profile, durable solution that integrates cleanly with commercial garage and service doors.

This magnetic contact set pairs a matched magnet and switch for straightforward installation and dependable performance, minimizing troubleshooting and service calls. Ideal for access control, intrusion detection, and remote monitoring installations, the B505AUTM/ST is built for high-cycle environments where consistent surveillance and system integrity are essential. Use it with control panels and monitoring platforms to reduce false alarms and improve situational awareness.

Specify the Nascom magnetic contacts when upgrading perimeter security or specifying new builds — a practical choice for security integrators, facility managers, and systems installers. Add the B505AUTM/ST to your next project to ensure continuous door monitoring and professional-grade protection.

• No-dead-spot design ensures consistent door reporting for reliable security monitoring
• Low-profile 2-1/4" rail mount fits overhead door tracks for discreet, tamper-resistant installation
• Pre-matched magnet and switch set reduces installation time and wiring errors
• Black anodized finish resists wear and blends with commercial door hardware for a professional appearance
• Durable construction designed for continuous operation in busy commercial and industrial environments