The TBM34 series is a ruggedised professional trackball. The unit has been specially designed for harsh industrial environment applications : the self-adjusting PTFE seal of the trackerball guarantees an IP65 static (ball in rest) protection grade. Carrier plates and housing are metal (aluminium and steel).
Panel mount version The TBM34N1 is intended for back panel mounting.	Enclosed version The TBM34S1 is housed in a steel enclosure.

TBM34 Datasheet & Dimensional Drawing     User manual TBM34x

ORDERING INFO (incl. cables)
 

Panel mount version	Enclosed version
TBM34N1	TBM34S1

output : PS/2 & USB combo