Pressure Switch, Differential 2.2 to 0.4 psi, Range 1.5 to 75 psi, Port Type 1-Port 1/4-18 in FNPT, Contact Form SPDT, NEMA Rating 1, Actuation Type Diaphragm, Action Standard, Series 9012G, Ambient Temp. Range -10 Degrees to 185 Degrees F, Media Temp. Range -40 Degrees to 250 Degrees F, AC Contact Rating 10A @ 480V, DC Contact Rating 0.11A @ 250V, 0.22A @ 125V