XCSZP1 Sensors XCSZP1 Actuator, For Use With XCSDMC Safety Switch. XCS-DM coded magnetic safety switches are designed for monitoring the doors, covers and guards of industrial machines with imprecise guiding and low inertia. These safety switches are ideally suited for machines subjected to frequent washing or liquid spray. They protect the operator by immediately stopping any dangerous movement as soon as the distance between the switch and its magnet is greater than 8mm (5mm for XCS-DMC).