The United Electric 10-C12 SPDT Pressure Switch is a miniature pressure control device designed to monitor and respond to system pressure from 30 to 600 PSI. Featuring a single-pole double-throw (SPDT) electrical configuration and NEMA 4 enclosure, it operates by sensing pressure changes and switching electrical contacts when the preset pressure point is reached. It is commonly used i... https://www.partshnc.com/10-c12-united-electric-30-600-spdt-nema4-mini-sw