Safety Technology Intl STI-1155-FR Stopper Ii Horn

Product Description

The Safety Technology Intl STI-1155-FR is a Stopper II surface-mount horn alarm device designed for use in life-safety and security notification systems. This unit functions as an audible signaling device, alerting occupants to alarm conditions in commercial, industrial, and institutional environments. The STI-1155-FR is surface mounted, making it straightforward to install on walls or other flat surfaces without requiring in-wall wiring enclosures. Licensed electricians and fire alarm technicians are the typical trades responsible for installing and commissioning this type of device in compliance with applicable codes.

The STI-1155-FR is suited for use in applications requiring audible alarm notification, including fire alarm systems, security systems, and general facility alerting. Its surface-mount design accommodates a wide range of installation scenarios in both new construction and retrofit projects. The unit is sold individually and is appropriate for settings where a reliable, standalone horn device is needed to meet notification requirements.

Key Features

• Surface-mount design allows direct wall installation without a recessed backbox
• Audible horn output for alarm and notification applications
• Sold as an individual unit for single-point replacement or new installation
• Part of the Stopper II product line from Safety Technology Intl

Compatibility

Designed as an OEM-style surface-mount horn alarm device suitable for fire alarm and security notification system applications where a compatible audible signaling device is required.

Installation Notes

Installation of audible alarm devices should be performed by a licensed electrician or certified fire alarm technician in accordance with NFPA 72 and applicable local codes. De-energize the alarm circuit and disconnect power at the panel before beginning any wiring work. Verify that the device rating is compatible with the existing notification appliance circuit before connecting. Do not bypass or disable any connected fire alarm or security panel during servicing.