This Square D 9036DG2 commercial open tank float switch for use with water, hydraulic oils, and corrosive fluids activates pumps or sump-pumps and signals within a power circuit when certain fluid levels are reached. It is lever operated and mounts to the floor but can be mounted to a pedestal using a 9049UMS1 mounting (not included). It has 4 screw terminals and 3 knockouts for 1/2" conduit entry. This switch has a NEMA 1 enclosure for protection and contacts that close on liquid rise.