Photoelectric sensors

Rugged metal housing provides exceptional performance in demanding applications

Your Benefits

  • Reliable detection due to superior ASIC (application-specific integrated circuit) technology and immunity to optical interference factors from the industrial environment
  • PinPoint LED technology provides a bright, small and precise light spot that enables quick and easy sensor alignment
  • Precise switching characteristics ensure reliable object detection, reducing downtime caused by re-adjusting sensors during recipe changes
  • Wide range of products enclosed in a rugged metal housing enables application flexibility in a broad range of industrial environments
  • Flexible mounting options reduce installation time
  • IO-Link provides easy data access from the PLC
  • Quick and easy configuration
  • Quick and easy integration using function blocks


Rugged metal housing provides exceptional performance in demanding applications

The W12-3 family features a complete range of photoelectric sensors that are enclosed in a metal housing. There are a large number of variations that are available, including proximity, retro-reflective, through-beam, special laser and clear material versions. These sensors offer many advantages over conventional optical sensors due to their reliable object detection and monitoring capabilities. Whether in packaging, pharmaceutical, or the food and beverage industries – the W12 family provides a solution for any application.

At a glance
  • Best-in-class optical performance due to superior OES technology
  • Autocollimation with retro-reflective sensors
  • Background and foreground suppression with second emitter LED on proximity sensors
  • Highly visible, precise light spot and high-energy IR transmitters
  • Rugged die-cast zinc housing, optional with Teflon® coating
  • Mounting options with through holes, base blind holes, oblong through holes and dovetail
  • Flexible sensor settings, monitoring, advanced diagnostics, and visualization thanks to IO-Link


Sensor solutions for robotics
Robotics image
Sensor solutions for robotics
Robotics image

Working together as equals

Thanks to sensors from SICK, robots perceive more precisely. For all challenges in the field of robotics: Robot Vision, Safe Robotics, End-of-Arm Tooling, and Position Feedback.
Find out more


Technical overview

  • Technical data overview

    Technical data overview

    Dimensions (W x H x D)15.6 mm x 48.5 mm x 42 mm
    Sensing range max.15 mm ... 340 mm 1)
    Light sourcePinPoint LED
    Type of lightVisible red light
    Enclosure rating




    Housing materialMetal
    • 1) Object with 90 % reflectance (referred to standard white, DIN 5033).
All technical data can be found accompanying the individual product