Sistema ad aria compressa e impianto frenante
| 1 | XMLA/B or XMLP Pressure Sensor | Electromechanical or electronic pressure sensor |
| 2 | XCMD Limit switch or XS Inductive | Limit switch or inductive proximity sensor |
| 3 | XMLA/B or C Pressure Sensor | Electromechanical pressure sensor with pre-adjusted pressure threshold |
| 4 | XX Ultrasonic Sensor | Software configurable and resistant to electromagnetic interference |