Air Pressure Switch Application Differential Pressure Detection Air Compressor Control Positive Pressure Detection Contact Form SPDT Electrical Connection Type Hardwired Electrical Rating 15 A Non-Inductive to 277V AC Housing Material Steel Housing Type Conduit Box Includes Mounting Screws Input Voltage 115V AC Maximum Differential Pressure Setting 0.02 in wc Maximum Operating Temperature 190 Degrees F Maximum Pressure Rating 0.5 psi Maximum Pressure Setting 12 in wc