Pressure Switch, Application HVAC, Contact Form SPDT, Electrical Connection Type Screw Terminals, Electrical Rating 1/4 HP @ 250 V AC, 60 Hz, 1/8 HP @ 125 V AC, 15 A @ 125/250/480 V AC, 60 Hz Resistive, Housing Material Aluminum, Housing Type NEMA-3 Enclosure, IP Rating IP54, Includes Drain Plug, O-Ring Seal Cover, Maximum Differential Pressure Setting 0.15 in wc, Maximum Pressure Setting 0.15 in wc, Minimum Differential Pressure Setting 0.07 in wc, Minimum Pressure Setting 0.07 in wc