Illuminated Locking Push Switch

M

MaxBrowser

New Member

• Oct 29, 2011

• #1

This may sound silly question but I need to know how to wire this 4 terminal switch on a 12v vehicle. When you look at the back of it, the 2 terminals (thicker ones) are the switch but the other 2's got (-) & (+) marked on them (LED). I've got about 400Ω resistor to put in series with it, I assume (-) terminal goes to Ground and then do I connect the switched supply (+12v) to the terminal marked (+) via the resistor? Any light on the subject would be welcome, Max

 

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ronsimpson

Well-Known Member

Most Helpful Member

• Oct 29, 2011

• #2

I think you know what you are doing.

 

duffy

Well-Known Member

• Oct 31, 2011

• #3

That's fine, Max. The 400Ω resistor will limit the current to around 25ma, which is below the 30ma limit the majority of LED's can handle. The (-) goes to ground, the (+) goes to the resistor, the other side of the resistor goes to the load side of the switch, +12V.

 

M

MaxBrowser

New Member

• Oct 31, 2011

• #4

Thanks a lot, duffy.

 

J

Jbroadway

New Member

• Oct 31, 2011

• #5

if this is the one from maplin is it not the 230v one?

 

M

MaxBrowser

New Member

• Oct 31, 2011

• #6

It is, Jbroadway. I used it in a vehicle.

 

J

Jbroadway

New Member

• Oct 31, 2011

• #7

did it work? aparantly it doesnt work for 12v?

 

M

MaxBrowser

New Member

• Oct 31, 2011

• #8

It worked okay, just the job!