... , 220 / 110, etc,3) Rated frequency: 50 / 60Hz4) Power factor: 0.8 Engine:1) Rated power: CUMMINS, DOOSAN, , ISUZU, KUBOTA, YANMAR, etc2) Cooling ... , 500 / 1, 800rpm5) Noise level: silent type( 72dB dB @ 7 meter away) Alternator:1) Brand: Stamford or Leroy Somer or our ... / 230V, 380 / 220, 220 / 110, etc4) Rated Frequency: 50 / 60Hz5) Power factor: 0.86) Phase: 3-phase, 4-wire7) Connection: Y or ...