Dwyer A1F-O-SS-1-4 is an OEM Pressure Switch suitable for a wide temperature range of -40 to 175°F (-40 to 80°C). With a pressure limit of 500 psig (34 bar) and a switch type of SPDT snap switch, this switch is compatible with various liquids and gases. It features a 316 SS pressure chamber and a fluorocarbon diaphragm. The electrical connections are screw terminals and it has an electrical rating of 15 A @ 120/240/480 VAC. The mounting orientation is within 20° of vertical and it has a 1/4" female NPT and 1/2" male NPT process connection. Optional -PC enclosure meets NEMA 4X standards for increased protection.