Nascom N505A/STMPA Magnetic Pull-A-Part Bar Stock Aluminum Switch with 36" Armored Cable, Black

Protect gates, commercial trailers and dock perimeters with Nascom’s N505A/STMPA magnetic pull‑apart contact — engineered for rugged, long-term security. This magnetic contact from Nascom uses an anodized bar‑stock aluminum magnet housing and an epoxy‑filled tubular switch to eliminate fragile plastic parts and keep internal magnets secure, reducing service calls and downtime. The built-in 36-inch armored cable offers robust lead protection against cuts and tampering, ensuring continuous wired connectivity for alarm and monitoring systems. As a closed-loop Normally Open (N.O.) contact, the N505A/STMPA integrates seamlessly with standard alarm panels and surveillance systems to deliver reliable perimeter detection and gate monitoring. Designed for commercial applications, its heavy-duty construction withstands harsh environments and high-traffic use so your security infrastructure stays online. Choose the N505A/STMPA when you need a durable, low‑maintenance magnetic switch that supports effective security, surveillance, and monitoring. Add it to your next gate or trailer security installation for dependable protection and easier maintenance.

• Built for longevity: anodized bar‑stock aluminum housing eliminates fragile plastics and reduces corrosion, minimizing maintenance and replacement costs
• Tamper-resistant wiring: 36" armored cable protects leads from cuts and vandalism for uninterrupted perimeter monitoring
• Reliable alarm integration: closed-loop Normally Open contact provides consistent, false-alarm‑resistant operation with wired security systems
• Installer-friendly design: rugged, compact construction and straightforward wiring speed up installs and reduce on-site labor time
• Heavy-duty performance for demanding sites: ideal for gates, commercial trailers and dock alarm systems where durability and uptime matter
• Epoxy-sealed reed switch and secure magnet housing prevent component shift or failure, delivering dependable surveillance and access monitoring