Plastic trackball L50 50mm trackball with fixed friction ring 
L50 The ring is used to adjust the operating force. This is variable by the ring.
Plastic trackball with infrared-optical scanningL50
50 mm industrial plastic trackball with infrared-optical scanning for OEM installation
| Execution | OEM built-in module |
| Pointing device | plastic trackball |
| Technology | Infrared optics |
| Ball diameter | 50,8 mm |
| Ball material | epoxy resin |
| Enclosure material | plastic |
| IP protection level | IP68 |
| Operating temperature | 0°C ... +55°C |
| Dimensions | 77,6 x 77,6 x 59,6 mm |
| Interface | PS2/USB, Matrix |
| Special function | removable ball for ease of cleaning |
| Certifcation | CE |
| Article number | L50-70020D, L50-76020D, L50-70021D, L50-76021D, TKH-TB50L, TKH-TB50LF10, TKH-TB50LF80 |
| Application | Industry, Apparatus engineering |