Potter AMS-T21W 3/8" Terminal Mini Surface Mount Contact, White

Secure perimeter points without compromising appearance using the Potter Electric Signal AMS-T21W 3/8" Terminal Mini Surface Mount Contact. This Potter magnetic contact is engineered for reliable security and monitoring of man doors, sliding doors, and windows, offering a discreet, white surface-mount design that blends into most installations. The AMS-T21W's compact 3/8" terminal mini housing and 0.625" standard gap provide dependable alarm actuation while minimizing visual impact. As a UL-listed, wired N.O. (normally-open) contact built from durable resin, it delivers consistent performance for commercial alarm systems, surveillance integration, and access control environments. Hybrid installation flexibility and easy wiring make it an efficient choice for installers upgrading or expanding security infrastructure. Ideal for facilities managers and integrators who need unobtrusive, maintenance-friendly sensors, the AMS-T21W supports robust monitoring and long-term reliability. Add the Potter AMS-T21W to your next security project for seamless door/window protection—perfect for retrofits or new builds.

• Discreet, low-profile surface mount provides hidden protection for doors and windows, improving site security without altering aesthetics
• Reliable monitoring with a UL-listed design and a 0.625" standard gap for consistent alarm performance
• Compact 3/8" terminal mini format simplifies installation in tight spaces and integrates easily with wired alarm and access control systems
• Durable resin construction and hybrid installation options deliver long-term performance in commercial environments
• Normally-open (N.O.) contact ensures compatibility with a wide range of security panels for straightforward system setup