http://www.snapaction.net/pdf/vb3.pdf
Assuming that the 2009 game and robot rules allow them, wouldn't the above breakers work just fine in the PD?
They've got ratings from 3 to 30A. These are the parts that the PD was designed to utilize in the "30A" position (refer to the following datasheet, chapter 3.2.2).
http://www.usfirst.org/uploadedFiles...s-Rev-0-5a.pdf
Russ