1-3 Hp Scroll Compressor Variable Speed, Refrigerant:R-410A, Voltage:600 @ 20 Hz, 600 @ 38 Hz, 600 @ 75 Hz, Phase:3, Cooling Efficiency:Up To 27.85, Capacity Range:11850-36700 Btu, Application:Inter Cooling, Min Speed, Rating Speed, Speed Range:900 To 7000, Use Bpm Motor, Vrms:600, Rpm:900-7200, Max Oper Pres H/L Bars:43.3/28.0, Use With Approved Motor Drive, Base Dims:7-1/2" X 7-1/2", Height:15-1/2", Weight:41 Lbs 3.0 Oz, Made in USA Of Us And Imported Parts Alt #:S1-01504945004