1. Engine: Cummins(technology introduced) 2. Alternator: Leroy Somer, Stamford, Marathon 3. Rated Voltage: 50Hz 400/230V, 60Hz 480/277V 4. Voltage available: 50Hz: 200/115,220/127/220/110,230/115,240/120,380/220,400/240(200V~690V) 60Hz: 480/277, 440/254, 220/127, 240/139, 208/120 5. Power Range: 20KW~1000KW(25KVA~1250KVA) 6. Rated Frequency: 50Hz/60Hz 7. Rated Speed: 1500rpm/1800rpm 8. Excitation way: Brushless Excitation