System Sensor HRK-R Horn, Ceiling/Wall Mount

System Sensor HRK-R Horn, Ceiling/Wall Mount

The System Sensor HRK-R is a weather-resistant, wall- or ceiling-mount horn notification appliance engineered for indoor and outdoor fire alarm applications. This unit provides a powerful audible evacuation signal from a compact housing and is built to meet demanding environmental and fire-alarm code requirements. It’s part of the SpectrAlert Advance series, known for versatile field settings and installation-friendly features.

Key Features & Benefits

• Audible Output: Delivers a loud horn signal (typically 88+ dB at 16 V) that meets NFPA evacuation requirements and aids occupant notification.

• Weatherproof Construction: Rated NEMA 4X / IP56, this horn is suitable for wet or dry locations from –40 °F to 151 °F when installed with compatible outdoor back boxes.

• Dual-Voltage Compatibility: Works with 12 VDC or 24 VDC NAC circuits without additional jumpers — automatic selection on applicable settings.

• Field-Selectable Tone & Volume: Rotary switches allow selection of horn tone patterns and multiple volume levels to match system design needs.

• Universal Mounting Plate: Simplifies installation with a plug-in design and onboard continuity spring, reducing wiring faults and speeding setup.

• Tamper-Resistant: Durable housing and secure mounting help prevent unauthorized removal or damage.

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