ATC 3-7685AR04F12SX is a miniature, self-contained polarized retroreflective photoelectric sensor from ATC‑Diversified Electronics (ATC) in the 7680 series. It accepts a universal power input of 10–30 VDC or 10–135 VAC and provides an isolated SPDT FET output rated up to 120 mA AC/DC. The sensor offers a sensing range of up to 3.5 m (11.5 ft) with a red LED indicator and a fast ~3 ms response time, operating from -25°C to 55°C. This model is listed as discontinued by the manufacturer.
