[Elecraft] K3-Front panel shut down question

[N4CW at aol.com]

Perhaps a solution can be found in a WestMountain Radio product called a  
PowerGate. See:
_http://www.westmountainradio.com/content.php?page=dc-power_ 
(http://www.westmountainradio.com/content.php?page=dc-power) 
It may be what you're looking for.
Bert, N4CW