Air Pressure Switch Application Commercial HVAC Industrial HVAC Contact Form SPDT Electrical Connection Type Hardwired Electrical Rating 10 A Non-Inductive 0 to 120V AC 720 VA Pilot Duty @ 230V AC Housing Material Steel Housing Type NEMA-4 Enclosure Input Voltage 120V AC Maximum Differential Pressure Setting 0.1 in wc Maximum Operating Temperature 130 Degrees F Maximum Pressure Setting 2 in wc Minimum Differential Pressure Setting 0.02 in wc