Air Pressure Switch Contact Form SPDT Electrical Connection Type Screw Terminals Electrical Rating 15 A @ 120V 15 A @ 240V Housing Material Steel Housing Type Standard Housing Input Voltage 120V AC 240V AC Maximum Differential Pressure Setting 30 psid Maximum Operating Temperature 180 Degrees F Maximum Pressure Rating 50 psig Maximum Pressure Setting 30 psid Minimum Differential Pressure Setting 0 psid Minimum Operating Temperature -10 Degrees F Minimum Pressure Setting 0 psid