The BALLUFF BES 516-369-G-SA9-PU-02,5 (BES037A) is a photoelectric sensor with Ø8×35mm dimensions, featuring a D8.0 housing style designed for flush mounting. It offers a 2mm detection range with PNP normally open (NO) switching output, operating at 1500Hz frequency. The housing is constructed from stainless steel with PBT sensing surface material.