These generators feature advanced design, compact construction, low noise and easy maintenance, widely used in telecom companies, banks, mansions, airports where noise pollution are prohibited. Features: 1) Rated output: 5 - 300kW 2) Rated voltage: 220 / 120V, 380 / 220V, 400 / 230V 3) Rated frequency: 50 / 60Hz 4) Protection class: IP22 or IP23 5) Power factor: 0.8 6) Silent level: <80dB (7m away from the set) 7) Starting mode: electric starting 8) Cooling mode: closed circulation water cooled