... -4200KVA voltage 400V,450V rpm 600,720,750,900,1200,1800 frequency 50,60Hz TFC6 Brushless Alternator,Rating Capacity100KVA- ... 4200KVAvoltage400V,450Venvironment temperature45oCpoles4,6,8,10rpm600,720,750,900,1200,1800frequency50,60HzHigh efficiency High efficient energy transformation between mechanical ... The highest protection degree is IP54. TFC6/J6 Brushless synchronous generator