RightSight General Purpose Sensors

Our Bulletin 42EF RightSight™ General Purpose Sensors are designed for light- to medium-level industrial use. These sensors take many of the features of larger solutions and puts them in a smaller, more adaptable package to deliver excellent detection capabilities where size and shape matter.

Bulletin 42EF RightSight General Purpose Photoelectric Sensors
  • Overview
  • Product Selection
  • Specifications
  • Documentation
  • Resources


  • Incorporates embedded IO-Link Technology in select sensors to help minimize downtime and increase productivity
  • Patented housing design with 1200 psi wash-down ratings
  • Available in 12...24V DC and universal AC/DC supply versions
  • 360° visible indicators
  • Universal 18 mm mounting at base and nose, and through-hole mounting
  • Short circuit protection across entire voltage range
  • Variety of sensing modes and output types
  • Applications include:
    • Food processing
    • Material handling
    • Packaging
    • Transportation


Additional Information

Rockwell Automation announces that as of March 2016, specific 42EF RightSight polarized retro-reflective, diffuse, and transmitted beam sensor models are discontinued and no longer for sale.

To support your transition, we recommend that you migrate to our enhanced 42EF Series D sensors. The 42EF Series D sensors offer IO-Link 1.1 protocol which provides users with additional sensor diagnostics when connected to an IO-Link master.

Migration Solutions
Demanding market conditions pose significant challenges. Across the enterprise and throughout the lifecycle, you must continuously strive for ways to leverage your existing automation investment.

Let Rockwell Automation help you determine your migration options and show you the benefits, including better performance, more informed business decisions, reduced maintenance costs, and quicker response to changing market demands.

Use the Product Lifecycle Status search tool to find specific lifecycle information by catalog number.

Learn more about our Migration Solutions.

To view commonly ordered and quickly available products, use the Product Configuration Assistant for our complete product offerings.


RightSight PHOTOSWITCH Photoelectric Sensors Tech Data42EF-TD001


  • CE Marked for all applicable directives 
  • CSA Certified
  • UL Listed
  • IO-Link

Product Certifications

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.


Presence Sensing BrochureSENSOR-BR001
RightSight Photoelectric Sensor with Teach Function Product Profile42EF-PP002
RightSight PHOTOSWITCH Photoelectric Sensors Tech Data42EF-TD001
RightSight DeviceNet Photoelectric Sensors Installation Instructions42EF-IN001
RightSight Photoelectric Sensors Installation Instructions42EF-IN003
RightSight Photoelectric Sensors with Teach Function Installation Instructions42EF-IN005
RightSight Miniature Sensors Installation Instructions42EF-IN008
More Photoelectric Sensor publications in Literature LibraryAll Languages

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Product Certifications

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Configuration & Selection Tools

Other Resources

  • Knowledgebase — Visit our online resource for technical information, support chat and forums, software updates, and product safety advisories/notices.