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Eaton Can Bus Solutions

Offering an increased degree of sealing to IP68 from the front and rear of the module, the keypad electronic multiplex switch module (eSM E31) by Eaton meets severe environmental applications. It has exceptional operator feedback: tactile, audible and visual with up to four independent indicator LEDs. The E31 is a flexible Eaton CAN bus solution for your applications.


  • Reduced assembly labor due to ease of installation, allowing for mounting and connection of multiple switches at one time versus individually
  • Available in 2x4, 4x3 and 3x5 (shown above) configurations
  • Reduced wire harness complexity, using one harness to a controller to accommodate up to 64 switches and a three-wire interconnect between expansion and master modules
  • Reduced harness size offers an overall reduction in weight, improving operational efficiency of the equipment
  • Increase in switch lifecycle over traditional electromechanical switches (1m cycles)
  • Customizable graphics with back lighting on each switch provides for application specific requirements
  • Up to four daylight visible indicator LEDs per switch for status, mode and scaling
  • Sleep mode available to reduce current draw on the battery
  • CAN J1939 2.0B communication protocol

Why Gopher?

Gopher, a leading Eaton CAN bus provider, is one of the most reliable electronics component distributors required for applications that are mission critical. Our goal is to ensure that no matter the industry in which you operate, you will receive the high-quality items you need. We are also committed to delivering these products both efficiently and quickly.

Contact our team at Gopher to discuss your CAN-bus application for design expertise and support!

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