Air Pressure Switch Application Energy Management HVAC Contact Form SPDT Electrical Connection Type Hardwired Electrical Rating 1/4 hp @ 250V AC 1/8 hp @ 125V AC 15A @ 125/250/278V AC Housing Material Steel Housing Type Conduit Box Input Voltage 24V AC Maximum Differential Pressure Setting 0.8 in wc Maximum Operating Temperature 180 Degrees F Maximum Pressure Setting 12 in wc Minimum Differential Pressure Setting 0.02 in wc Minimum Operating Temperature -40 Degrees F