Air Pressure Switch Application Energy Management HVAC Contact Form SPST Electrical Connection Type Hardwired Electrical Rating 1/2 A @ 120V DC 1/2 hp @ 240V AC 1/4 A @ 240V DC 1/4 hp @ 120V AC 15 A @ 120 to 480V AC Housing Material Steel Housing Type Conduit Box Input Voltage 480V AC Maximum Differential Pressure Setting 0.8 in wc Maximum Operating Temperature 180 Degrees F Maximum Pressure Rating 0.5 psi Maximum Pressure Setting 12 in wc