System Sensor HR Horn Red

The System Sensor HR is a commercial indoor wall horn designed to provide dependable audible emergency notification for compatible fire alarm systems. As part of the SpectrAlert® Advance notification appliance series, it features selectable sound output, multiple audible patterns, and a compact low-profile design suitable for new installations and retrofit projects.

The horn supports synchronized operation with compatible System Sensor synchronization modules and approved fire alarm control panels. Its universal mounting system and plug-in installation simplify wiring, testing, and long-term maintenance. This product is intended exclusively for commercial fire alarm installations.

Product Functions

• Audible emergency notification
• Wall-mounted installation
• Selectable high and low volume
• Temporal Code 3 or continuous tone
• Synchronization with compatible fire alarm systems
• Supervised notification appliance circuit operation
• Indoor commercial notification

Electrical & System Information

The HR operates on compatible regulated 12 VDC or 24 VDC/FWR notification appliance circuits. The appliance supports synchronization through compatible System Sensor synchronization modules or approved fire alarm control panels, allowing multiple notification appliances to operate in unison.

Its electronic horn design provides reliable audible notification while maintaining low current consumption across compatible notification appliance circuits.

Features

• Commercial indoor horn
• Red housing
• FIRE marking
• Selectable high and low volume
• Temporal Code 3 or continuous operation
• Electronic sound generation
• Plug-in installation
• Universal mounting plate
• Low-profile SpectrAlert Advance design
• Synchronization capability
• Compatible with multiple electrical back boxes

Mounting & Design

The HR mounts to standard single-gang, double-gang, or 4-inch square electrical back boxes using the supplied universal mounting plate. Installers can complete field wiring before attaching the appliance, reducing installation time and simplifying future servicing.

Its low-profile housing matches other SpectrAlert Advance notification appliances, providing a consistent appearance throughout commercial installations.

Protection & Applications

Suitable for:

• Office Buildings
• Schools
• Hospitals
• Hotels
• Retail Facilities
• Warehouses
• Government Buildings
• Industrial Facilities
• Commercial Properties

Compatibility

Compatible with:

• System Sensor SpectrAlert Advance Notification Appliances
• Compatible Fire Alarm Control Panels
• Notification Appliance Circuits (NAC)
• Regulated 12 VDC Circuits
• Regulated 24 VDC/FWR Circuits
• MDL Synchronization Module
• MDL3 Synchronization Module
• Standard Electrical Back Boxes

Always verify compatibility with the installed fire alarm control panel, notification appliance circuit, synchronization equipment, and project requirements before installation.

Technical Specifications

Manufacturer: System Sensor

Parent Company: Honeywell

Model: HR

Series: SpectrAlert Advance

Product Type: Indoor Horn

Notification Type: Audible Only

Mounting: Wall

Housing Color: Red

Marking: FIRE

Operating Voltage: Regulated 12 VDC or 24 VDC/FWR

Operating Voltage Range: 8–33 VDC

Synchronization: Compatible with MDL and MDL3 Synchronization Modules

Volume Settings: High and Low

Horn Patterns: Temporal Code 3 or Continuous

Wire Size: 12–18 AWG

Operating Temperature: 32°F to 120°F (0°C to 49°C)

Mounting: Standard Single-Gang, Double-Gang, or 4-Inch Square Electrical Box

Application: Indoor Commercial Fire Alarm Systems

Listings: UL 464, FM Approved, CSFM Listed, and MEA Approved. Verify product labeling and project requirements for the intended installation.

Applications

The System Sensor HR is designed for commercial fire alarm systems requiring dependable audible emergency notification. Typical applications include office buildings, schools, hospitals, hotels, retail facilities, warehouses, industrial sites, government buildings, and other commercial occupancies where an indoor wall-mounted fire alarm horn is specified.

HR Datasheet