Nascom N400W/ST Surface Mount Industrial Bar Switch Magnet Set, 12-Jacketed Wire Lead

Built for dependable door security in commercial and industrial settings, the Nascom N400W/ST Surface Mount Industrial Bar Switch Magnet Set delivers consistent monitoring where standard contacts fail. This Nascom magnetic contact combines a 12" industrial bar profile with an extra-wide gap and a powerful N35 NdFeB rare-earth magnet to prevent false alarms caused by door warping or shifting. The hermetically sealed SPDT contacts in an ABS housing provide corrosion-resistant performance and long service life, while the center jacketed 2-conductor PVC lead (CL2/CM) speeds installations and neat wire routing. UL634 listing gives integrators confidence for code-compliant projects, and the included steel-door spacer ensures correct gap alignment on metal frames. Designed for security, surveillance, and access-control applications, the N400W/ST supports reliable monitoring of commercial steel and wood doors and pairs easily with alarm panels and monitoring systems. Specify the Nascom N400W/ST for high-reliability door protection — order now for retrofit or new-install projects and contact us for volume pricing.

• Prevents false alarms from warped or shifting doors with an extra-wide gap and N35 NdFeB rare-earth magnet, ensuring reliable monitoring.
• Simplifies installation with center jacketed 2-conductor wire leadout and included spacer for steel door mounts—saves labor on site.
• Hermetically sealed contacts and ABS housing deliver long-term reliability in commercial environments, resisting dust and moisture.
• UL634 listing and rugged construction make it code-friendly and ideal for security, surveillance, and access-control systems.
• 12" industrial bar profile provides broad coverage for large or double doors, reducing the need for multiple sensors.