Potter AMS-37 Series 4" Industrial Magnetic Contact with 2" Gap, Terminal, Form N.O., Gray (4350170)

Built to secure heavy-duty openings, the Potter Electric Signal AMS-37 Series 4" Industrial Magnetic Contact provides dependable monitoring and perimeter protection where standard contacts fail. This UL/ULC-listed magnetic contact combines a powerful Alnico 5 magnet with a 2" operating gap, delivering reliable actuation for man doors, overhead doors, roof hatches and hinged skylights—even in rugged, industrial settings. The AMS-37 features a Form N.O. (Form A) contact and screw terminal termination for fast, tool-friendly wiring to alarm panels, access control units, or surveillance systems. Its low-profile 3.9" housing reduces tamper exposure and mounts cleanly on uneven surfaces, while hybrid installation options let integrators adapt to existing hardware quickly. Ideal for security contractors, facilities managers, and integrators focusing on perimeter monitoring and alarm reliability, the AMS-37 supports consistent performance in high-use and corrosive environments. Upgrade your security sensors with a contact designed for industrial durability and straightforward installation. Order the Potter AMS-37 magnetic contact today to strengthen your monitoring and surveillance installations.

• Rugged, UL/ULC-listed design built for industrial openings, delivering reliable perimeter protection in harsh environments
• 2" operating gap with Alnico 5 magnet ensures consistent actuation on large or misaligned doors
• Form N.O. (Form A) contact and screw terminals simplify wiring to alarm panels and access control systems
• Low-profile 4" housing fits man doors, overhead doors, roof hatches and skylights while minimizing tamper risk
• Hybrid installation and wired connectivity enable seamless integration with security, surveillance, and monitoring systems