The Ashcroft GPSN4GS07X2C 30PSI 316SS 15A pressure switch NEMA 4 is a sensor/switch from Ashcroft. It senses object presence, distance, or position (or switches an electrical circuit) and converts that into an output signal for machine control or monitoring. Key specifications noted on this listing include 15A, 30PSI. It is commonly in factory automation and machine control retrofits.
