... 4.Bearing:Single/Double YH Alternator Power Ranging 6.5 --300KWYH Alternator specialized in alternator for diesel generator.we product YH ... 6.5-300kw .for prime or standby use, more than 50 different models, with 50Hz or 60Hz frequency, Single bearing or Double ... Main Index:1) Rated voltage 400V, 110V-690V for option2) Three phase, single phase for option3) Drip-leak-proof structure: IP22/23 protection ...