Pressure Switch,Relay,12V Only,1/8″NPT. 12-Volt Permanent Magnetic Motor Duty Cycle: 100% @ 100 PSI (50% @ 200 PSI) Max. Working Pressure: 200 PSI Max. Air Tank Size: 5.0 Gallon Max. 12V Amp Draw: 23 Amps Ingress Protection Rating: IP67 Dimensions: 10.87″ L x 4.2″ W x 6.75″ H