The Doosan SNC12-21050113 is a genuine OEM photo micro sensor, commonly used as a limit switch in various Doosan CNC machines. This high-precision component is crucial for detecting the position of machine parts, ensuring accurate homing, and preventing over-travel to protect the equipment from damage. Manufactured to meet Doosan’s exact specifications, this sensor provides reliable and consistent performance, helping to maintain the operational integrity and precision of your CNC machinery. Replacing a faulty sensor with this original part ensures seamless compatibility and restores your machine’s functionality to factory standards.