... AC generators, Three Phase, IP23, Class H, Rated voltage 400V, 110-690V for option, AVR. Generator LYG series Stamford type ... of three-phase brushless synchronous generators, by introducing and ... 1) Rated voltage 400V, 110V-690V for option2) Three phase, single phase for option3) Drip-leak-proof structure: IP22/23 protection class4 ...