SQUARE D 32147738 Air Compressor Pressure Switch is a replacement component for 2-stage air compressors that controls cut-in and cut-out pressures. It activates at 135 psi (on) and deactivates at 175 psi (off), helping prevent over-pressurization and maintain consistent system pressure. Identified by part number 32147738, this switch is designed for use with 2-stage SQUARE D compressor configurations.
