Pressure Switch, Application Air Conditioning, Electrical Connection Type Quick Connect Terminals, Housing Type NEMA-1 Enclosure, Includes Unloader Valve, Input Voltage 120V AC, 240V AC, 480V AC, 600V AC, Maximum Differential Pressure Setting 15 psi, Maximum Pressure Setting 40 psi, Minimum Differential Pressure Setting 7 psi, Minimum Pressure Setting 30 psi, Overall Depth 3 11/16 in, Overall Height 3 in, Overall Width 2 15/16 in, Product Type Pressure Switch, Sample Line Connection Size 3/8 in