Differential Pressure Switch 2.0-10.0 In, 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 @ 120 to 480 V AC, 60 Hz Resistive, Derate to 10 A for Operation at High Cycle Rates, Maximum Differential Pressure Setting 10 in wc, Maximum Pressure Rating 10 psig, Maximum Pressure Setting 10 in wc, Minimum Differential Pressure Setting 2 in wc, Minimum Pressure Setting 2 in wc, Mounting Hole Center to Center Distance 4 in