Festo SIEW-M12B-ZS-K-L Proximity Switch, M12, Current Lifecy

The Festo SIEW-M12B-ZS-K-L is a proximity detection switch in the M12 barrel format, sitting under the Limit and Proximity Switches category. The lifecycle stage is listed as current, though the description notes an end-of-production date of December 31, 2004 — meaning this part has been out of factory production for nearly two decades.