4.5 Ton AC Scroll Compressor, Volts: 380-460, Hertz: 50-60, Phase: 3, Capacity: 57,000 BTU, LRA: 75 Refrigerant: R410A, Oil Type: Polyolester, Connection Size: Liquid-1/2"; Gas-7/8", Connection Type: Sweat Stage: Single, Height: 18'' H, Base Dims: 9.5'' W X 9.5'' D, Weight: 87 lbs