System Sensor PC4R


4-Wire Horn Strobe, Standard cd, Red

Availability: In Stock

Condition: New
Brand: System Sensor
Status: Obsolete
SKU: BC01C-2679
Manufacturer Part #: PC4R
Replacement: PC4RL


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. Like the entire SpectrAlert Advance product line, horns, strobes, and horn strobes include a variety of features that increase their application versatility while simplifying installation. All devices feature plug-in designs with minimal intrusion into the back box, which make installations fast and foolproof while virtually eliminating costly and time-consuming ground faults. Furthermore, a universal mounting plate with an onboard shorting spring tests wiring continuity before the device is installed, protecting devices from damage.

Additional information

Weight 0.4 lbs
Dimensions 7.50 × 7.50 × 4.00 in



Production Status



  • 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 and ceiling 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 and ceiling units
  • Mounting plate shorting spring checks wiring continuity before device installation
  • Electrically compatible with existing SpectrAlert products
  • Compatible with MDL sync module


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Selectable-Output Horns, Strobes, and Horn Strobes


System Sensor - Data Sheet