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

Protect critical alarm and access control devices from vandalism, accidental damage and false activations with the Safety Technology International STI 13420NR Universal Stopper protective cover. This durable polycarbonate dome cover is a security-grade solution designed for pull stations, keypads, emergency buttons and duplex plugs, combining physical protection with an integrated 105 dB horn that signals locally when the cover is lifted. The STI-13420NR features an enclosed back box and sealed mounting plate with a NEMA Type 3RX rating and UL/cUL listing for dependable indoor/outdoor performance in challenging environments.

Sized to fit most pull stations (approx. 5.95" H x 4" W x 2.18" D), the surface-mount design and high-strength continuous hinge simplify installation while shielding wiring and equipment from tampering. Use this protective cover to enhance your facility's physical security, support surveillance and monitoring strategies, and reduce false alarm incidents in schools, healthcare campuses, hospitality venues and commercial buildings. Add the STI 13420NR to your security or fire alarm portfolio to strengthen access control and emergency response—order today or contact us to integrate it into your monitoring system.

• Prevents vandalism and accidental activation of pull stations, keypads and emergency buttons to reduce false alarms and costly downtime
• Integrated 105 dB audible deterrent draws immediate attention when the cover is opened for faster incident response
• Rugged polycarbonate dome with NEMA Type 3RX rating and sealed mounting plate for reliable indoor/outdoor protection in harsh environments
• Enclosed back box and surface-mount form factor simplify installation and protect wiring for access control and alarm systems
• UL/cUL listed and ADA compliant design ensures code-friendly deployment across schools, hospitals, retail and public buildings