Tjernlund Products Air Sensing Switch,Fixed,SPST,Auto PS1503

Air Sensing Switch, Application Air Filtration, Humidity Detection and Control, Positive Pressure Detection, Contact Form SPST, Electrical Connection Type Hardwired, Electrical Rating 15 A Non-Inductive to 277V AC, 300 VA Pilot Duty @ 120 to 277V AC, Housing Material Steel, Housing Type Conduit Box, Includes -, Input Voltage 115V AC, Maximum Differential Pressure Setting 0.02 in wc, Maximum Operating Temperature 180 Degrees F, Maximum Pressure Rating 0.5 psi, Maximum Pressure Setting 0.05 in wc