Detailed Description: 1.Engine:Import Perkins 2.Alternator: Leroy Somer, Stamford, or Marathon 3.Rated Voltage: 230V, 400V, 440V, 480V Voltage available: 50hz:200/115,220/127,220/110,230/115,240/120,380/220,400/230,415/240(200v--690v) 60hz:480//277,440/254,220/127,240/139,208/120,120/240 4.Power range: 7KW - 1800KW (9KVA-2250KVA) 5.Rated Frequency:50HZ 6.Rated Speed:400V/1500RPM