This is an Intermatic PB913N 24-Hour Mechanical Panel Mount Timer, SPST, 120 Volts. The Mechanical Timer provides automatic control for pumps, cleaners and other types of loads. This timer features 3 different mounting methods and 24 hour timing cycle (1 hour minimum on time and 23 hours maximum on time) with 30 minute intervals.
This Mechanical Panel Mount Timer has 48 trippers and three mounting styles: flush in round opening, raised in rectangular opening or on base. Other features include quick connect terminals and automated controls. Applications: Filter Pumps, Booster Pumps, Lights, Fountains, Cleaning Systems and other types of loads.