View Single Post
  #11   Report Post  
Posted to rec.crafts.metalworking
Michael A. Terrell Michael A. Terrell is offline
external usenet poster
 
Posts: 12,924
Default How do I know when contacts in a motor starter are too worn?


Jim Stewart wrote:

I'm with Iggy on this one. No time to do the math,
but I have had experience trying to remove a couple
of watts of heat from a small semiconductor footprint.



Sigh. The contacts are a hell of a lot larger than the die in a
semiconductor, which may only be .001 square inch.


--
You can't have a sense of humor, if you have no sense.