United Electric (UE) P/N 1XSWLLTTC-NUN6-L2.5, -40 to 900 F Set Point Range, NUN with Local Stem Sensor, 2.5" Sensor Length, SPST 8-50 VDC at 100 mA Discrete Input Powered Switch, 2-Wire Discrete Input Power for 24 and 48 VDC Logic Solver Supply Power, Pro