OSI-R(A)-SS Conventional Reflective Beam Smoke Detector

The OSI-R(A)-SS is a Single-ended conventional beam smoke detector with integrated test feature for use with any panel.


Reflected Beam Smoke Detectors are designed for spacious rooms, open areas, and high ceilings. With only one device to install and align, these single-ended optical beam solutions saves you time and money on large area applications.

Features & Benefits:

  • LED guided alignment
  • 16 to 328 foot protection range
  • Built-in test feature
  • Paintable cover


OSI-R-SS Single-ended beam smoke detector

  • Operating Temperature: 32°F to 100°F (0°C to 37.8°C)
  • 16 to 328 foot protection range
  • Single-ended, reflected type design
  • Paintable cover


  • UL Listed
  • CSFM
  • FM Approved