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Trip Dogs and Rails - actuate mechanical and inductive limit switches - Euchner USA

Trip Dogs and Rails

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EUCHNER Trip Dogs (Cams) and Trip Rails (Cam Trays) are used to actuate mechanical and inductive limit switches. The trip rail is mounted to a moving member and the trip dogs are fastened to the rail. The assembly moves as the machine member moves, thus causing switch actuation. EUCHNER offers a wide variety of trip dogs and trip rails to fit your applications..

You may also be interested in Euchner Precision Multiple Limit Switches.


Machine tools, Plastics, Woodworking, Transfer lines, Loading equipment



Trip Rails Features

  • Meet DIN 69638
  • Extruded aluminum or cast iron
  • T-slot or surface mount
  • Modular kits available

Trip Rails Features

  • Meet DIN 69639
  • Treated steel
    • Minimizes corrosion
  • U-trip dogs are designed with a split plate clamping mechanism for exact adjustment
  • G-trip dogs are clamped to rail with a hexagon socket screw and special spring washer ensuring precise positioning even when mounted vertically


  • Extremely accurate
    • +/- 0.002mm
  • Long service life
    • Low mechanical wear
    • High corrosion resistance
  • Application friendly
    • Precise engineering ensures accuracy and repeatability
    • Designed to meet strict standards as required by application


  • 2 types of trip rails
    • System U
    • System G
    • 4000mm maximum length
    • Aluminum, steel or cast iron
    • 1 to 20 slots
  • Trip Dogs
    • Up to 1400 mm
    • Mechanical actuation or proximity
    • Hardened steel
    • Ground and polished
    • Black finish

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