System Sensor P2RK-P


2-Wire Horn Strobe, Standard cd, Outdoor, Plain (includes plastic weatherproof back box)

Availability: Please Call for Lead Time

  • Factory New
Brand: System Sensor Part #: 31386 Category: Manufacturer Part #: P2RK-PSecondary Part #: P2RKP Tag:


SpectrAlert Advance offers the broadest line of outdoor horns, strobes, and horn strobes in the industry. With white or red plastic housings, wall or ceiling mounting options, and plain or FIRE-printed devices, SpectrAlert Advance can meet virtually any application requirement, including indoor, outdoor, wet, and dry applications in temperatures from −40°F to 151°F.


Weight 1.20 lbs
Dimensions 2.50 × 4.70 × 5.60 in

Lens Color



Material Qualities






  • Weatherproof per NEMA 4X, IP56
  • Listed to UL 1638 (strobe) and UL 464 (horn)
  • Compatible with System Sensor synchronization protocol and legacy SpectrAlert products
  • Field-selectable candela settings: 15, 15/75, 30, 75, 95, 110, 115, 135, 150, 177, and 185
  • Automatic selection of 12- or 24-volt operation at 15 and 15/75 candela
  • Rotary switch for horn tone and three volume selections
  • Horn rated at 88+ dBA at 16 volts
  • Rated from –40°F to 151°F
  • Universal mounting plate with an onboard shorting spring that tests wiring continuity before devices are installed
  • Plug-in design with minimal intrusion into the back box
  • Tamper-resistant construction
  • Listed for ceiling or wall mounting


Outdoor Selectable-Output Horns, Strobes, and Horn Strobes for Wall Applications
System Sensor – Data Sheet
Field-Selectable Emergency Communications Devices
System Sensor – Data Sheet
Selectable Output Strobes, Horns, and Horn/Strobes
System Sensor – Installation and Maintenance Instructions

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