The BALLUFF BES 517-398-NO-C-03 is an inductive proximity sensor with a 2 mm detection range, operating at 10-30 VDC with 2500 Hz frequency. It features PNP output configuration, normally open contact (N/O), and comes with a 3-meter cable. Designed for flush mounting, it operates in temperatures ranging from -25 to +70°C and has IP65 protection rating.