... 1,multi alternator 2,high efficiency 3,good quality and competitive price Three-phase Diesel Alternator1,multi alternator2,high efficiency3,good quality and competitive ... ) Rated voltage: 400V,400/230V,230V,415V,etc.3) Rated frequency: 50 / 60Hz4) Rated speed: 1,500 / 1,800rpm5) Three-phase four-wire6 ...