Description
The System Sensor P2RHK is an outdoor horn strobe designed for compatible commercial fire alarm notification systems. It combines audible signaling with a high-candela xenon strobe in a rugged weatherproof enclosure for dependable emergency notification in harsh environments.
The appliance includes a plastic weatherproof back box and is intended exclusively for commercial fire alarm systems. It is not surveillance equipment, communications equipment, consumer electronics, tracking equipment, or recording devices.
Product Functions
- Audible emergency notification
- High-candela visual notification
- Outdoor wall mounting
- Selectable horn patterns
- Selectable horn volume
- Synchronized operation with compatible fire alarm systems
Electrical & System Information
The P2RHK operates on regulated 12 or 24 VDC/FWR notification appliance circuits. It supports synchronization with compatible System Sensor synchronization modules and fire alarm control panels.
Features
- High-candela xenon strobe
- Continuous or Temporal Code 3 horn
- High and low horn output settings
- Weatherproof construction
- Includes plastic outdoor back box
- Plug-in mounting design
Mounting & Design
The P2RHK is designed for outdoor wall mounting and includes the required weatherproof back box. Its universal mounting plate simplifies installation, testing, and future maintenance.
Protection & Applications
Suitable for:
- Building Exteriors
- Parking Garages
- Loading Docks
- Industrial Facilities
- Warehouses
- Schools
- Hospitals
- Commercial Buildings
Compatibility
Compatible with:
- System Sensor Synchronization Protocol
- SpectrAlert Advance® Notification Systems
- Compatible 12 or 24 VDC NAC Circuits
- Approved Fire Alarm Control Panels
Always verify system compatibility before installation.
Technical Specifications
Manufacturer: System Sensor
Parent Company: Honeywell
Model: P2RHK
Product Type: Outdoor Horn Strobe
Mounting: Wall
Color: Red
Marking: FIRE
Notification Type: Audible and Visual
Operating Voltage: Regulated 12 or 24 VDC/FWR
Candela Settings: 135, 150, 177, 185 cd
Horn Patterns: Continuous or Temporal Code 3
Horn Output: High or Low, Field Selectable
Flash Rate: 1 Flash Per Second
Operating Temperature: -40°F to 151°F (-40°C to 66°C)
Environmental Rating: Outdoor Weatherproof
Included Back Box: Yes
Listings: UL 1638, UL 464, UL Listed (verify approvals for your specific application).
Applications
The System Sensor P2RHK is commonly installed in commercial fire alarm systems requiring dependable outdoor audible and visual emergency notification for industrial facilities, parking structures, schools, hospitals, warehouses, and other commercial properties.





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