Air Sensing Switch Application Furnace Control Commercial HVAC Residential HVAC Contact Form SPDT Electrical Connection Type Hardwired Electrical Rating 1 A Pilot Duty 5 A Non-Inductive to 277V AC Housing Material Thermoplastic Housing Type Open Mounted Includes - Input Voltage 277V AC Maximum Differential Pressure Setting 0.12 in wc Maximum Operating Temperature 180 Degrees F Maximum Pressure Setting 1 in wc Minimum Differential Pressure Setting 0.07 in wc