Potter AMS-39 Series Standard Surface Mount Contact, White (4350190)

Secure perimeter openings with the Potter Electric Signal AMS-39 Series Standard Surface Mount Contact — a dependable magnetic contact designed for commercial security, surveillance and access control systems. Manufactured by Potter Electric Signal, LLC, the AMS-39 delivers UL/ULC-listed reliability for doors, sliding doors, windows, cabinets and hatches. The contact’s 3/4" operating gap and Form A (normally open) contact ensure consistent trip performance, while screw-terminal connections and included spacers and covers make installation or retrofit fast and predictable. Its hybrid surface-mount design fits tight spaces and provides a low-profile, professional appearance in white that blends into most environments. Engineered for intrusion monitoring and integration with alarm panels and access control controllers, this magnetic contact helps reduce nuisance alarms and simplifies system commissioning. Specify the AMS-39 for dependable, code-compliant perimeter detection—ideal for new installs or upgrades in commercial, institutional, and multi-tenant facilities. Add the AMS-39 to your security or access control project today.

• Reliable perimeter protection for doors, windows and sliding entries, helping reduce false alarms and streamline monitoring
• UL/ULC listing ensures code-compliant performance for commercial security and access control installations
• 3/4" operating gap and Form A (N.O.) contact provide consistent detection performance across common mounting tolerances
• Screw-terminal wiring and included spacers/covers speed installation and simplify retrofits with existing wiring
• Low-profile surface mount design in white blends with finishes for discreet surveillance and intrusion detection integration