These are large LED lit metal flush-style push buttons, each item you buy is one button, you need to choose the style you want, I have the below.
If the button you want is out of stock, check the SPDT listing for more, the buttons are the same style and SPDT will work just the same for you.
Each button is lit by LED, the voltage for the LED without any external resistor, 3-6v. If you want to use a 10-15v supply (eg in a car) then simply putting a couple of 1k resistors in series with the LED should work nicely – if you ask me I can include suitable 1k resistors for you.
The switch does not control the LED, that is up to you to do how you want to do it.
There are 4 solder terminals on the back, the switch contacts are marked “ON” and the led contacts are the other two (polarity doesn’t matter).
Hole size 19mm should do it, maybe 19.5, the bezel is approx 22mm diameter.
I do not have current or voltage specifications, typically this sort of switch you keep to 12v or so max (remember the LED is 6v max) and use for low current maybe 1 or 2A at the very most (really you would use this to switch a relay or transistor not the main current).
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