4HP Front Power Panel
he 4HP Power Panel is a small panel that is mounted in to your rack providing user access to the DC inlet connector, ON/OFF switch and status LED. It is intended to be used either with our ED122-Power Unit, ED126 Powered Passive Busboard or ED111 Active Busboard. The power termination is a 2.5mm DC connector with Tip = +ve.
http://www.elby-designs.com/contents/en-us/d13_01.html
No info about availability.
$33