These units are built around 36 short travel, tactile feel switches (numeric, function and control keys) and a compact 25mm 
 trackball. The condensed but well defined key layout combined with the use of a compact trackball enables a fast and comfortable access to the most important machine commands and an accurate control of the cursor.  
  
  -  Sealing IP65  
-  With compact 25 mm industrial grade IP65 sealed trackball  
-  36 keys, numeric, function and control short travel keys  
-  Tactile feel switches with 2.55 N operating force  
-  Fast and comfortable access of the most important machine commands  
-  Front panel mount version : eight M3 mounting studs  
-  Enclosed version : very robust ABS housing