System Sensor P2WHK
System Sensor P2WHK
Out of stock; call for lead time
The System Sensor P2WHK is a SpectrAlert Advance outdoor horn/strobe built for two-wire wall mounting, finished in white with "FIRE" marking and a plastic weatherproof back box so a single NAC circuit can drive both the horn and the high-candela strobe in outdoor and wet-location applications.
Key Features
- Two-wire design lets one NAC circuit control both horn and strobe
- Field-selectable strobe candela: 15, 15/75, 30, 75, 95, 110, 115, 135, 150, 177, and 185 cd
- Automatic selection of 12- or 24-volt operation
- Rotary switch for horn tone and three volume settings
- Includes plastic weatherproof back box for outdoor mounting
Technical Specifications
- Weatherproof rating: NEMA 4X, IP56
- Horn output: 88+ dBA at 16 volts
- Operating temperature: -40°F to 151°F
- Synchronization: System Sensor sync protocol
Certifications
- UL 1638 Listed (strobe), UL 464 Listed (horn)

