Pressure Switch, Range -15 to 15 psi, Process Connection 1/4 in MNPT, Housing Material 316 Stainless Steel, Wetted Materials 316 Stainless Steel Welded Diaphragm, Compatible With Air and Liquids, Electrical Connection Micro DIN Connector, 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 1,000 psi, Operating Temp. Range -40 Degrees to 210 Degrees F