... Brushless, Synchronous ac generator. 4) S WERNA Single Phase diesel generator alternators with Lomg experience in manufacturing alternator / ac generator. Alternator Power Ranging 6 ... And Voltage50Hz or 60Hz as per customer’s request. Voltage from 380 ~ 690V, 190V~345V, 220~400V, serial star, ... use including: MX321, MX341, AS440, SX440, SX460, etc.WindingAll generator stators are wound to 2/3 pitch.