Square D 9012G air compressor pressure switch delivers automatic on/off control for compressors within a 100–125 psi operating range, making it ideal for shop and light-industrial applications. This single-port unit includes an unloader to vent residual pressure at shutdown and carries a 24 amp contact rating for reliable switching in standard compressor circuits. Designed to sense system pressure and switch the motor accordingly, it helps maintain consistent pressure and protect the pump during cycling.
