Air Sensing Switch, Application Energy Management, HVAC, Contact Form SPDT, Electrical Connection Type Hardwired, Electrical Rating 1/2 A @ 125V DC, 1/2 hp @ 250V DC, 1/4 A @ 250V DC, 1/4 hp @ 125V AC, 15A @ 125/250/277V AC, Housing Material Steel, Housing Type Conduit Box, Includes (2) Slip-On Tubing Adapters, Mounting Screws, Input Voltage 480V AC, Maximum Differential Pressure Setting 0.8 in wc, Maximum Operating Temperature 180 Degrees F, Maximum Pressure Setting 12 in wc. This item has been restricted from sale in the following state (s): []