Balluff BES023Y (BES 517-223-M5-E) is a cube‑shaped inductive proximity sensor housed in a non‑flush 40×40 mm enclosure with a 120 mm body, offering a 30 mm sensing range. It operates from 20 to 250 V AC/DC and provides NO/NC switching with a rated operating current of 250 mA and IP67 protection for rugged environments. The device uses a PBT housing and PBT sensing surface, features screw‑terminal connection (2.5 mm²), and includes polarity reversal and short‑circuit protection, a ready delay of up to 200 ms, and a switching frequency of 100 Hz. Its ambient operating temperature range is −25 to 70 °C.
