United Electric (UE) P/N 1GSWLLK11, 0-50.0 PSID Set Point Range, 316L Stainless Steel Welded Diaphragm, 1/4"NPT Male 316L Stainless Steel Pressure Connection, SPST 8-50 VDC at 100 mA Discrete Input Powered Switch, 2-Wire Discrete Input Power for 24 and 48