Definition of Basic Switch

1. What is a Basic Switch?

   A Basic Switch has a micro contact gap and snap-action mechanism, and turns ON and OFF with a specified movement and force.

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Definition of Snap-action

1. What is the Snap-action ?

   Snap-action is a mechanism that enables instant switching at a fixed operating position, regardless of the operating speed and operating force of the switch.

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Malfunction

1. The load does not turn ON when the Switch is pressed. Why is this?

   (1)There may be contact failure.
   Causes: The switch is not pressed sufficiently. A general-purpose switch(with silver contacts)is being used for a microload(electronic circuit).
   (2)The conatcts may be welded.
   (3)The internal spring may be broken.
   (4)The operating speed may not match.
   (5)The operating frequency may not match.

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2. The load will not turn OFF. Why is this?

   The Switch contacts may be welded.

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Usage Environment

1. Are there Basic Switches avaialble that can be used in locations subject to water?

   Use a Sealed Basic Switch with ingress protection IP67 by IEC.
   There are D2VW, D2SW, D2JW, D2HW, and D2QW

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