Rugged Metal Pushbutton with Blue LED

Ring - 16mm Blue Momentary

PRODUCT ID: 481

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These chrome-plated metal buttons are rugged and look real good while

doing it! Simply drill a 16mm hole into any material up to 1/2" thick and

you can fit these in place, there's even a rubber gasket to keep water out

of the enclosure. On the front of the button is a flat metal actuator,

surrounded by a blue plastic LED ring. On the back there are 3 contacts

for the button (common, normally-open and normally-closed) and 2 for

the blue LED ring (+ and -). Connect 3 to 6V to the LED to have it light up

nicely, there's a built in resistor! If you want to use this with a higher

voltage, say 12V or 24V, simply add a 470 ohm resistor in series with the

LED connection to keep the LED current at around 20mA.