Pneumatic Electric Switch Voltage Rating 125/250/277 Volts Power Rating 1 2 HP Differential 2 PSI Electrical Connections Screw Terminals Humidity Range 5-95 Percentage RH Maximum Safe Air Pressure 30 PSI Operating Temperature Range -20 to 160 Degrees Fahrenheit Pilot Duty Power Rating 750 Volt Amps @ 125/250/277 VAC Resistive 25 Amps @ 125/250/480 VAC Factory Set Point 10 PSI Field Adjustable Set Point 2 to 24 PSI Type Panel Mount without Case Height 3 7/16 Inches