STI 13420NB Universal Stopper Dome Cover, Enclosed Back Box and Sealed Mounting Plate, Label Hood with Horn, Blue

Protect critical access-control and alarm devices from accidental damage and malicious tampering with the Safety Technology International STI 13420NB protective cover. This Universal Stopper dome cover delivers dependable physical security for pull stations, emergency buttons, keypads and intercom stations without restricting authorized use. When the dome is lifted, an integrated 105 dB horn sounds locally to immediately draw attention and deter misuse, aiding faster response and reducing false alarm incidents. Constructed from UV-stabilized polycarbonate with an enclosed back box and sealed mounting plate, the STI-13420NB meets NEMA Type 3RX requirements for indoor/outdoor monitoring and sheltered exterior locations. Sized to fit most dual-action pull stations and backed by UL/cUL listing and ADA compliance, it simplifies installation and code conformance for facility managers. Ideal for schools, healthcare campuses, retail and commercial properties that prioritize reliable physical security and access control, the STI 13420NB enhances your alarm, surveillance and monitoring strategy. Order today to protect devices and minimize nuisance activations in your security system.

• Prevents false alarms and vandalism by protecting pull stations, keypads and emergency buttons while preserving full, legitimate access
• Integrated 105 dB audible horn alerts nearby personnel immediately when cover is lifted, drawing attention before a false alarm is triggered
• Sealed mounting plate and enclosed back box provide NEMA 3RX weather resistance for indoor/outdoor installations and harsh environments
• Durable, UV-stabilized polycarbonate construction resists impact and environmental degradation for long-term physical security performance
• UL/cUL listing and ADA compliance simplify code adherence for schools, hospitals, offices and public facilities