The Balluff BES028M (BES 516-211-E4-E-05) is a compact M18 inductive proximity sensor designed for flush-mount installation with a 5 mm sensing distance and a normally open output. It accepts a wide supply range of 20-250 VDC/20-250 VAC and ships with a 5 m PVC cable for flexible wiring in mixed DC/AC control circuits. The cylindrical housing measures Ø 18 x 61.5 mm with an M18x1 thread, brass nickel-plated body, and PA12 sensing surface, rated IP67 and operable from -25 to 70 °C. Balluff also lists BES M18MI-UST50B-BV02 as the replacement option for customers seeking the latest variant in this form factor.
