EX 98 Limit Switches Steute Ex 98 limit switches are used where moving parts of machines and industrial plants have to be positioned, controlled and monitored. The Ex safety position switches are suitable for sliding and hinged safety guards, which need to be closed to ensure the necessary operational security. The Ex 98 limit switches feature slow action positive break NC contacts and are available with various contact configurations. Features and Benefits Ex zone 1 and 21 Corrosion-resistant aluminium enclosure IP66 Rated Actuator can be repositioned by 4 x 90° Wide range of actuators