Dwyer CXA-R2 is a water pump pressure switch with a 140°F (60°C) temperature rating. It has a general purpose enclosure with screw terminal electrical connections. This switch is compatible with liquids and gases and can be installed in any position. Made of silicone, steel, and SS, it has a pressure limit specified in the model chart. The switch is DPST snap action type and has internal screw set point adjustment. The conduit connection is a 7/8" hole for 1/2" conduit hub in two places. Deadband information is available in the catalog page. The electrical rating includes 20 A @ 120 VAC, 12 A @ 240 VAC, 9.6 A @ 240 VAC (3 phase), 8.6 A @ 32 VDC, 3.1 A @ 120 VDC, and 1.6 A @ 240 VDC.