The limit switch (code K 46323) in the Sulzer ZV40/48 engine plays a key role in monitoring and controlling engine functions by detecting mechanical limits and triggering necessary actions. This highly sensitive and reliable switch ensures safety and efficiency by preventing overtravel, unwanted motion, or excessive pressure buildup in critical engine components. Engineered for durability, it withstands harsh operational environments, providing consistent performance over time. Regular testing and timely replacement of the limit switch are essential to maintaining its responsiveness and ensuring the engine operates within safe parameters in marine and industrial applications.