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Auto ON / Auto OFF PIR Occupancy/Vacancy Sensor Switch DWOS-1277

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The DWOS-1277 is a Commercial Grade Decorator Style PIR 2-in-1 wall sensor switch turns lights ON and OFF based on motion detection. In Occupancy Mode, turn lights ON/OFF automatically. In Vacancy Mode, turn lights manually on by pressing the push button and automatically OFF until the room becomes vacant and time delay out.



  • Fits in standard wall box and replaces single-pole wall switch. Gangable with other units.
  • 120/277VAC, 60Hz.
  • 800W Incandescent/Fluorescent
  • 150W LED
  • 1/4HP
  • Single Pole
  • 180° field-of-view provides approximately 1200 square feet of coverage suitable for small offices, conference rooms, classrooms, lounges and a variety of commercial areas.
  • Convenient pushbutton provides manual-ON/OFF light switching at any time.
  • Manual-ON/auto-OFF mode for installations where manual-ON switching is required but auto-OFF switching is still desired for CEC Title 24 energy savings.
  • To comply with T24, red LED indicator light flashes when sensor detects motion to verify detection is active.
  • Time Delay adjustment for delayed-OFF time set-tings of 15 seconds (for walking test), 10 minutes, 20 minutes, and 30 minutes. Allows customized adjustments to maximize energy savings
  • Vacancy confirmation - when the time out expires and the lights turn OFF a 30 second vacancy confirmation exists to turn the lights back ON
  • Neutral wire required
  • Available in White and Ivory
  • Five-year Warranty

Testing & Code Compliance:

  • CUL Listed
  • Title 24 compliant