Potter ODC-56B Series Overhead Door Contact with Fixed Magnet, Form N.O./N.C. (4410015)

Designed for demanding, high-traffic overhead doors, the Potter ODC-56B overhead door contact delivers dependable door-position sensing that keeps operations secure and uninterrupted. As a Potter Electric Signal magnetic contact, it combines a hermetically sealed reed switch and a PVC shock absorber inside a solid aluminum housing to withstand impact, vibration and harsh environments. The ODC-56B features a 24-inch stainless steel armored cable to protect field wiring from abrasion and tampering, and a 2-inch operating gap for consistent performance across heavy-duty installations. With Form C (N.O./N.C.) contacts and UL/ULC listing, this magnetic contact integrates easily into access control, alarm and surveillance systems for accurate door monitoring and reduced false alarms. Ideal for loading docks, warehouses, commercial garages and other critical entry points, the ODC-56B helps security teams maintain reliable perimeter detection and simplify system maintenance. Add the Potter ODC-56B to your next security or access control project to harden door monitoring—order today or contact us for configuration guidance.

• Built for high-traffic environments: rugged aluminum housing and PVC shock absorber reduce downtime and maintenance.
• Reliable detection for security and monitoring: hermetically sealed reed switch and 2-inch operating gap minimize false alarms.
• Tamper- and vandal-resistant wiring: 24-inch stainless steel armored cable protects connections in harsh installations.
• Flexible integration: Form C (N.O./N.C.) contacts support access control, alarm panels and surveillance systems.
• Code-ready reliability: UL/ULC listed component for commercial security and door monitoring projects.