The Eaton E57SAL12A4 is an inductive proximity sensor with a range of 0 to 2 mm and an operating voltage of 20 to 250 VAC. It features a 2-wire NO output configuration, and is built to provide reliable operation in a variety of industrial environments. Designed for use in industrial, automation/process control, and sensing applications, the E57SAL12A4 offers superior sensitivity with a maximum switching distance of 0.2 mm. It is rated for short circuit protection, as well as heat, shock, and vibration resistance. This robust design is also suitable for applications that require a certain level of hygiene, due to its IP67/IP68-rated housing.