United Electric (UE) P/N 1XTXSWTR1-W080, -40 to 450 F Set Point Range, Remote Bulb Sensor, 2.5" Sensor Length, SW1 and SW2: 0-280 VAC VDC at 0.3 A Switch, Loop Powered 20 - 40 VDC HART Enabled Transmitter Supply Power, Programmable Over Entire Range Set