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  • Colors: Grey, Ivory, Almond, Black, or White
  • Voltage 120-277v, 347v or 24v 


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The UW-100 ultrasonic wall switch sensor turns lights ON and OFF based on occupancy. It is characterized by high sensitivity to small and large movements, appealing aesthetics, and a variety of features.

The UW-100 fits in a single junction box. It uses high frequency (40kHz) ultrasound to detect occupancy and turn lighting ON. Once the space is vacated and the time delay elapses, lights automatically turn OFF. DIP switch settings allow for a variety of control options such as Auto-ON or Manual-ON operation, walk-through, and test modes.

  • Detection Signature Processing eliminates false triggers and provides immunity to RFI and EMI
  •  Zero-crossing for long relay life
  •  Choice of Auto-ON or Manual-ON operation
  •  Selectable walk-through mode turns lights off three minutes after the room is initially occupied if no motion is detected after the first 30 seconds
  • Test mode allows quick and easy adjustments
  • Selectable audible and/or visual alerts for impending shutoff
  • In automatic mode, sensor returns automatically to Auto-ON after lights are turned off manually; ideal for presentations
  • LED indicates occupancy detection
  • Optional light level sensing with simple setup
  • Override mode allows sensor to operate as a service switch in the unlikely event of a failure
  • Sensor coverage tested to NEMA Guide Publication WD 7-2000

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