Heavy Duty Limit Switch

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Heavy Duty Limit Switches is sensor that detect position of mechanical devices such as stackers, reclaimers, cranes, and mobile trippers, and are limit switches with environmental resistance and high mechanical strength.

Brand: Matsushima
Origin: Japan


It is more robust than general limit switch, so it can be used in harsh environments where environmental resistance and high mechanical strength are required.


  • High mechanical strength
  • Long life design
  • Excellent environmental resistance

Operating principle

Place a striker on machine. As the striker slides along with movement of the machine, it kicks lever of Heavy Duty Limit Switch. The switch works when internal cam operates microswitch according to movement of lever.

How to use?

  1. Determine the mounting position:

    Determine mounting position where actuator will not be subjected to excessive force (1.5 N·m or more) beyond movement limit position of 70°.
  2. Mounting:

    The mounting form of main body is an L-shaped flange, so it can be mounted horizontally or vertically. Please choose according to installation position. Also, when striker operates, make sure the striker hits only the roller (not lever).
  3. Wiring:

    Do not wire while the power is on.

  4. Adjustment:

    The lever can be set in 8 directions at 45° intervals. Please consider position with striker and adjust.


  • Standard common specifications
  • Model lineup and dimensions (mm)

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