Square D by Schneider Electric Pumptrol 9036DG2R Open Tank Float Switch is a pedestal-mounted, lever-operated level switch designed for open-tank or sump applications. The R suffix denotes Open on Liquid Rise, and the unit provides two normally closed (NC) DPST contacts to switch two circuits in unison. It is housed in a NEMA 1 enclosure for indoor service and uses vertical long-rod action with a compensating spring to support the weight of longer float rods, ensuring reliable operation as liquid levels change. This open-tank switch is part of the Class 9036 Type D/G family and is commonly used to automatically start or stop pumps based on rising liquid levels in open tanks or sumps.
