Air Pressure Switch Contact Form SPDT Electrical Connection Type Hardwired Electrical Rating 3A @ 155V AC Housing Material Steel Housing Type NEMA-4 Enclosure Input Voltage 115V 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 Product Type Air Pressure Switch