The Honeywell 5K part, C0342008, is an industrial pressure switch designed to open or close an electrical circuit when pressure rises or falls. It is used in industrial and commercial applications in a variety of industries. The switch's differential pressure range is 5K (5,000 PSI) and is accurate to within 1%. It has a pressure adjustment range of 1,000 to 5,000 PSI and the factory set pressure is 3,000 PSI. The pressure switch has two external ports that are G 1/4" (6mm) in size, and the contact rating is 1 A at 120 Vac and 1 A at 220 Vdc. The switch is UL and CE approved, RoHS compliant, and is rated for up to 10 million cycles.