Square D Air-Compressor Pressure Switch

This Square D air-compressor pressure switch controls an electrically driven air compressor in a power circuit when the threshold is reached and turns off at 175 psi. Suitable for higher-horsepower motors with 2 hp or greater. Features a 1/4″ NPSF internal fluid connection, fixed 40 psi differential, adjustable cut-out range of 100-200 psi. Diaphragm actuated with screw terminal electrical connections. UL Listed, CSA certified with a 2-way pressure release valve.