Looking for 12v-triggered switch

**mpich** · **03-20-07, 11:22 PM**

New to the forum, so hello everyone. I will keep my first post brief.

I am looking for a switch that can be triggered by a 12v on signal (not pulse, but on or off), that would switch a 5v signal from Normally open (NO) to Normally closed (NO). This is for my projector lift. I would then use the 12v signal from my projector to trigger the lift. Basically it would be two input wires for the 12v signal, plus a 3-wire switch: 5v signal, NO, NC.

I have tried to Google to find it, but can't find what I am looking for. Any suggestions?

Thanks,

Mike

**brucek** · **03-21-07, 08:59 AM**

Simple SPDT relay will do the job. Find one with a coil voltage requirement of 12volts with a current that is lower than your projector can source. For example 12v@50ma coil where the projector spec might be 12v@100ma.
Then ensure the contacts of the relay can handle the current rating of the lift...

brucek

**dwayne mifflin** · **02-06-08, 10:03 PM**

a bosch 5 pin realy will work ...try car audio places they are all 12 volt.

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