The ABB RS4A11 Timer is a compact solid-state time-delay relay from the RS series, designed for 120 VAC control circuits with an ON/OFF time delay and a timing range of 0.1 to 102.3 seconds. It provides a 1 A load rating in an encapsulated package, making it suitable for sequencing and interlocking tasks in industrial automation. This model is listed as discontinued by the manufacturer, so availability is typically through surplus channels rather than current production.
