STI 13430NK Universal Stopper with Horn and Relay Enclosed Back Box Sealed Mounting Plate, No Label Included, Black

Keep life-safety and access-control devices secure without compromising usability. The Safety Technology International STI-13430NK protective cover (Universal Stopper) shields pull stations, keypads, intercoms, emergency buttons and switches from vandalism, tampering and accidental activation while maintaining clear access for authorized users. Constructed from UV-stabilized polycarbonate (PC), the sealed mounting plate and enclosed back box protect wiring and electronics from moisture and dust for reliable indoor/outdoor performance. The integrated horn and relay provide built-in audible alerting and easy integration with security, surveillance and monitoring systems. With a low-profile or dome option and a maximum 4" protrusion, the STI-13430NK fits a wide variety of installations and preserves building aesthetics. Ideal for schools, multi-tenant buildings, healthcare facilities and transportation hubs, this Security Cover streamlines protection for critical devices used in access control and life-safety applications. Protect your infrastructure and maintain regulatory compliance—specify the STI-13430NK for robust, tamper-resistant coverage of your emergency and access hardware.

• Protects critical devices (pull stations, keypads, intercoms) from vandalism and accidental damage while allowing full, legitimate operation
• Built-in horn and relay provide immediate audible alerting and integration with security or monitoring systems
• Enclosed back box and sealed mounting plate secure wiring and resist moisture for reliable indoor/outdoor use
• Durable, UV-stabilized polycarbonate construction (PC) delivers long service life and impact resistance in high-traffic areas
• Low-profile or dome options with a maximum 4" protrusion to suit flush or surface-mount installations and modern aesthetics