134-1451 | Pressure Electric Switch, Heavy-Duty, DPST, Snap-Acting, 1.5 to 10 psi | Siemens

This Heavy-Duty, Pressure Electric Switch is a pressure-actuated, mechanical contact type switch used to open or close electrical circuits from pressure signals in pneumatic control systems. It has an electrical rating of 12 non-inductive amps at 120 to 277 Vac and an ambient temperature range of 32 to 140 degrees Fahrenheit.