Dwyer SA1111E-S5-K2 is a diaphragm operated pressure switch. It has a temperature range of -30 to 180°F (-35 to 82°C) and is ATEX compliant for ambient and process temperatures of -4 to 167°F (-20 to 75°C). This product is weatherproof and explosion-proof, UL and CSA listed, and meets NEMA 4X and IP66 standards. It is also certified for ATEX and IECEx standards. The electrical connections are screw terminals, and the switch can be mounted within 20° of vertical. The wetted material is specified in the model chart. The pressure limit is 1200 psig (82.6 bar) and the process connection is 1/2" female NPT. The electrical rating and switch type can be found in the model chart. Set point adjustment is done with internal 7/16" hex nuts, and the conduit connection is 3/4" female NPT. The deadband details can be found in the deadband chart.