Pressure Switch, Differential 3.5 to 15 psi, Range 1.5 to 75 psi, Port Type 1-Port 1/4-18 in FNPT, Contact Form SPDT, NEMA Rating 13, 4, 4X, Actuation Type Diaphragm, Action Standard, Series 9012G, AC Contact Rating 10A @ 480V, DC Contact Rating 0.11A @ 250V, 0.22A @ 125V