Nascom N200AU/STHS Overhead Door Mini High Security Switch with Universal Magnet, Silver

Protect commercial and industrial overhead doors with dependable intrusion detection designed for real-world door movement and harsh environments. The Nascom N200AU/STHS overhead door mini high-security switch combines a closed-loop magnetic contact with No Dead Spot technology to prevent false alarms caused by side-to-side shifting. Built around an N35 NdFeB rare-earth magnet, this magnetic contact provides an extra-wide gap for tolerant mounting and consistent performance.

Engineered for installers and security integrators, the N200AU/STHS includes 36" 22 AWG wire leads and 24" armored cable lead protection to resist tampering and simplify routing to alarm panels or access control systems. The extruded anodized aluminum housing offers rugged durability for warehouses, loading docks, and other high-traffic sites. UL634 listing ensures it meets industry safety and monitoring standards.

Ideal for security, surveillance, and monitoring applications where reliable overhead door detection is critical. Add the Nascom N200AU/STHS to your next project for fewer false alarms and longer-term reliability — contact sales or order today to secure your facility.

• Prevents false alarms on shifting overhead doors with No Dead Spot closed-loop design
• Extra-wide N35 NdFeB rare-earth magnet for reliable gap performance and easier installation
• Armored 24" lead and 36" 22 AWG wire for tamper resistance and long cable reach
• Durable extruded anodized aluminum housing built for commercial and industrial environments
• UL634 listing delivers code-compliant security for surveillance and monitoring systems