Description
The System Sensor SRHK-P is an outdoor high-candela wall strobe designed for compatible commercial fire alarm notification systems. It provides dependable visual emergency notification in outdoor and harsh environments using a weather-resistant enclosure and high-output strobe technology.
The “-P” designation identifies the plain (no FIRE marking) version. The appliance includes the required outdoor back box for standard weatherproof installations.
Product Functions
- Visual emergency notification
- Outdoor wall mounting
- High-candela strobe output
- Field-selectable candela settings
- Synchronization with compatible fire alarm systems
- Low current consumption
Electrical & System Information
The SRHK-P operates on regulated 12 or 24 VDC/FWR notification appliance circuits and supports synchronization with compatible System Sensor synchronization modules and fire alarm control panels.
Features
- High-candela strobe
- Plain housing (no FIRE lettering)
- Outdoor weatherproof construction
- NEMA 4X and IP56 rated
- Field-selectable 135, 150, 177, and 185 cd
- Universal mounting plate
- Included outdoor back box
Mounting & Design
The SRHK-P is designed for outdoor wall mounting and includes the required plastic weatherproof back box. Its plug-in design simplifies installation and future maintenance while minimizing intrusion into the back box.
Protection & Applications
Suitable for:
- Building Exteriors
- Parking Garages
- Loading Docks
- Industrial Facilities
- Warehouses
- Schools
- Hospitals
- Commercial Buildings
Compatibility
Compatible with:
- System Sensor Synchronization Protocol
- Legacy SpectrAlert® Products
- 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: SRHK-P
Product Type: Outdoor High Candela Wall Strobe
Mounting: Wall
Color: Red
Marking: Plain (No FIRE Lettering)
Notification Type: Visual
Operating Voltage: Regulated 12 or 24 VDC/FWR
Candela Settings: 135, 150, 177, 185 cd
Flash Rate: 1 Flash Per Second
Operating Temperature: -40°F to 151°F (-40°C to 66°C)
Environmental Rating: NEMA 4X, IP56
Wire Size: 12–18 AWG
Included Back Box: Yes
Listings: UL 1638, UL Listed (verify approvals for your specific application).
Applications
The System Sensor SRHK-P is commonly installed in commercial fire alarm systems requiring dependable outdoor visual notification for industrial facilities, parking structures, schools, hospitals, warehouses, and other commercial properties.




