System Sensor P4RH

4-Wire Horn-Strobe, Hi Candela, Red (DISCONTINUED)

  • Factory New
Brand: System Sensor Part #: 81380 Categories: , Manufacturer Part #: P4RH Tags: ,


The SpectrAlert Advance series offers the most versatile and easy-to-use line of horns, strobes, and horn strobes in the industry. With white and red plastic housings, wall and ceiling mounting options, and plain and FIRE-printed devices, SpectrAlert Advance can meet virtually any application requirement.


Weight 1.50 lbs



  • Plug-in design with minimal intrusion into the back box
  • Tamper-resistant construction
  • Automatic selection of 12- or 24-volt operation at 15 and 15/75 candela
  • Field-selectable candela settings on wall units: 15, 15/75, 30, 75, 95, 110, 115, 135, 150, 177, and 185
  • Horn rated at 88+ dBA at 16 volts
  • Rotary switch for horn tone and three volume selections
  • Universal mounting plate for wall units
  • Mounting plate shorting spring checks wiring continuity beforedevice installation
  • Electrically Compatible with legacy SpectrAlert devices
  • Compatible with MDL3 sync module
  • Listed for ceiling or wall mounting


Indoor Selectable- Output Horns, Strobes, and Horn Strobes for Wall Applications
System Sensor – Data Sheet


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