... (6.5-2000kw). 2) Brushless Synchronous A. C. Alternator, 3) Stamford Type of Electric Generator, 4) Three Phase optional, IP23, Class H, ... networks or other genetator sets, 9) Balance rotor with single or two sealed ball bearings available, 10) Convenient installation ... Rated voltage 400V, 110V-690V for option 2) Three phase, single phase for option 3) Drip-leak-proof structure: IP22 protection class ...