Air Pressure Switch 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-1 Enclosure Input Voltage 120V AC Maximum Differential Pressure Setting 0.8 in wc Maximum Pressure Setting 12 in wc Minimum Differential Pressure Setting 0.02 in wc Minimum Pressure Setting 0.03 in wc Mounting Orientation Vertical Number of Switches 1 Pressure Setpoint Type Adjustable