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PIR Wall Switch Occupancy Sensor

WS-301-W-U Wattstopper
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The WS-301 Passive Infrared (PIR) Wall Switch Sensor turns lighting or fan loads on and off based on occupancy and ambient light level. The sensor replaces existing wall switches and fits behind a standard decorator wall plate.
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  • Defaults to Manual-ON operation for maximum energy savings
  • 180° coverage, maximum of 900 ft2
  • Shallow (1””) back housing and flying leads for easy installation
  • Built-in light level sensor
  • Optional neutral connection with break off tab to expose neutral terminals
  • 120/240/277 VAC and 347 VAC models
  • Button provides positive tactile feedback


General Info
Product Line Wattstopper
Color White
UPC Number 754182938568
Country Of Origin United States
Technical Information
Sensor Type Occupancy
Amperage 4.3 A
Wattage 1200 W
Voltage 120/277 V


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Questions & Answers

is the switch illuminated with a push on and off?

Asked by: Bob Korsmeier
The only illumination on the sensor is the LED indicator light(see attached image)
Answered by: Legrand Technical Support
Date published: 2022-06-06

can the ws301 be used in a 3 way application?

Asked by: jeff worley
The WS301 is for single pole applications only. The PW301 is a multi-way sensor. https://www.legrand.us/lighting-controls-and-systems/occupancy-and-vacancy-sensors/wall-switch-occupancy-and-vacancy-sensors/pir-wall-switch-occupancy-sensor-white/p/pw-301-w
Answered by: Legrand Technical Support
Date published: 2022-05-03
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