Pressure Switch, Range 20 to 200 psi, Process Connection 1/4 in MNPT, Housing Material 316 Stainless Steel, Wetted Materials 316 Stainless Steel Piston and Buna-N O-Ring, Compatible With Air and Liquids, Electrical Connection 3-18 AWG PVC Insulated 12 in Base Wire Leads, Contact Form SPDT, Circuit Type Not Applicable, AC Contact Rating 5A at 125/250V AC, DC Contact Rating 3A @ 28V DC Inductive, 5A @ 28V DC Resistive, NEMA Rating 6, IP Rating 67, Burst Pressure 2,500 psi