... certificate Engine brand: Cummins Rated power: 20 to 1,000kW (25 to 1,250kVA) Cooling method: closed water cooling ... mode: Stamford, Leroy Somer or TFW brushless Rated output: 20, 40, 50, 64, 75, 80,90,100, ... , 360, 400, 440, 500, 600, 800 and 1,000kW Rated voltage: 230 and 400V Rated frequency: 50 ... four-wire Connection: Y type Rated speed: 1,500 and 1,800rpm Excitation: harmonic, phase compound and ...