How to Choose pushbutton power switch?

When selecting a push button switch for your electrical circuit, you must take into account the function it needs to perform, such as momentary or latching, and whether you need a NO or a NC switch. Additionally, you must consider the voltage and current of the circuit, how many devices are being controlled, and the complexity of the circuit. Furthermore, you should think about where the switch is being installed and how accessible or exposed it will be to dust, water, or other elements. Lastly, you should consider its design features such as shape, size, color, and material.

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Hello,

I have a switch that is On-Off and SPST, but uses 2 additional poles (+/-) to illuminate an LED when pressed. See circuit:

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I am looking to purchase a new button that is larger. I found CWI278-ND which meets my needs, however the circuit is slightly different - it only has 1 additional pole for the LED. See circuit:

I would really appreciate any help - either on how the switch I&#;ve found could be wired to match replicate the previous switch I have, or how I could find a similarly large switch with an equivalent illumination circuit.

Thanks!

For more information, please visit me- limit switch wiring diagram.