66F050 thermostat by Airpax. Package: 8-DIP for direct PCB mounting Download Airpax 66F050 datasheet: Type : "fan" contacts close with rise in temperature Closing temperature : 50 degrees C. +/- 5 degrees Min reset temperature : 30 Degrees C. Ratings: 1A @48VDC / 120 VAC Status: NOS (New Old Stock) in original airpax unopened tubes. RoHS compliant: TBC (DC: 9724) Samples have been tested inhouse for opening/closing ... nice quality items !