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Discontinued
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QL (AZ4) Micro Limit Switch (Discontinued Products)

Cautions For Use

Ambient conditions

  • The use of these switches under the following conditions should be avoided.
    If the following conditions should become necessary, we recommend consulting us first.
    • Use where there will be direct contact with organic solvents, strong acids or alkalis, or direct exposure to their vapors.
    • Use where inflammable or corrosive gases exist.
  • Because these switchies are not of water resistant or immersion-proof construction, their use in water or oil should be avoided.
    Also, locations where water or oil can normally impringe upon the switch or where there is an excessive accumulation of dust should be avoided.
  • In order to maintain the reliability at a high level under practical conditions of use, the actual operating conditions should be checked for the benefit of the quality of the product.
  • Do not use the switch in a silicon atmosphere.
    Case should be taken where organic silicon rubber, adhesive, sealing material, oil, grease or lead wire generates silicon.
  • Avoid use in excessively dusty environments where actuator operation would be hindered.
  • This is designed to use inside. When used outdoors (in places where there is exposure to direct sunlight or rain such as in multistory car parks) or in environments where ozone is generated, the influence of these environments cause deterioration of the rubber material and damage for the products.

Wiring

  • Although QL limit switches have large over-travel (O.T.), excessive O.T. will occur wear and change in its characteristics.
    Specifically, where there is a need for long life, it is recommended that the proper O.T. should be used.
    When the operating object is in the free condition, force should not be applied directly to the actuator.
  • Use their own accessories when mounting and wiring QL limit switches so as to maintain their own characterisrics.

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