Schneider Electric 9036DG2R Pumptrol Float Switch Commercial open tank float switch activates pumps or signals within a power circuit when fluid levels are reached Works with water, hydraulic oils, and corrosive fluids Includes 4 screw terminals and 3 knockouts for 1/2" conduit entry NEMA 1 enclosure protection Contacts open on liquid rise Features NEMA Type 1 Enclosure intended for general purpose applications, typically indoor use For use with power circuits 2 knockouts for use with 1/2" conduit 2 N/C snap action contacts UL and CSA listings