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Frequently Asked Questions

Pushbutton / Indicator Lamp Topic: Illumination Only and Color Illumination

 

FAQ No. FAQ001950

 

Question

 

What is the difference between illumination only and colored illumination?


Answer

 

With illumination only, the color of the operating surface and the LED are the same. With colored illumination, the operating surface is white and a different colored LED is lit to emit color.

For example, if a red LED is used with illumination only, the switch will be red both when lit and not lit. With colored illumination, however, the operating surface will be white when not lit and will be red when lit.

The following diagram shows the A16 component configuration.

Illumination Only

Example: Red Illumination

 

Red Illumination


Colored Illumination

Example: Red Illumination
 

Red Illumination

 

 

Other Pushbutton / Indicator Lamp FAQs

 What is LED lamp illumination?

 What can be the cause and what are the possible countermeasures if the M2BJ-B[][] AC/DC shared buzzer does not sound?

 Can the contact configuration for the A22K be changed to DPST-NO + DPST-NC or 4PST-NC?