Cooper EL-HNR 24V Premium Conventional Fire Alarm Horn | Advanced Sounder

• Dual-Voltage System Flexibility: Combines high-efficiency 12VDC and 24VDC operations into a single conventional notification appliance • Ultra-Low Energy Draw Profile: Engineered to provide up to 48% energy savings in current draw over traditional competitive horn models • Enhanced Notification Architecture: Multi-mode options collapse standard SKU inventories down by consolidating 3 distinct audible configurations • Spliceless Universal Wiring Base: Includes a common retrofit wall base designed for limited space or pre-existing layout updates • Integrated Dust Shunt Cover: Ships factory-complete with a specialized protective cover shield to protect internal terminals from construction debris • Real-Time Pre-Wire Diagnostics: Built-in contact plate structure acts as a shunting tool to check for line grounds before mounting • Multi-Box Mounting Compatibility: Built-in mounting slots map cleanly across 1-gang, 2-gang, 4-inch square, and octal junction box shapes • High-Output Audio Signaling: Generates a clear, high-penetration 80 dBA emergency alert tone tailored for internal facility evacuation • Fast Maintenance Test Points: Integrated front voltage test pins enable quick field troubleshooting and multi-point meter spot checking • Premium Code Compliance: Fully certified and listed under strict UL and ULC life safety guidelines for fire protective audible signaling