Guess that Part! (mystery part #2 is up)

Originally Posted by gabrielservices

its wrapped in a shrink wrap type material right? If so there's copper in there

If so it's a hell of a wrap, I scrapped a bit with a flat head screwdriver and it came off as a powder so it's some sort of epoxy or polimer coating.

Originally Posted by Metalbestos

Here's all I found in a quick search.
Basic function: The power supplies are used for the intrinsically safe operation of field devices e.g. 3- or 4-wire transmitters, solenoid valves, light barriers, controllers and more.
I'm going with the and more . Interesting

I missed something...