silent generating sets 1)100% copper 2)ISO9000 certification 3)Competitive ... 3) Rated frequency: 50 / 60Hz 4) Power factor: 0.8 or 1.0 Engine: Cummins,LOVOL,PERKINS, Deutz, Ricardo,Weichai ... / 230V4) Rated Frequency: 50 / 60Hz 5) Power factor: 0.8 or 1.0 6) Phase: 3-phase, 4-wire 7 ... ) Connection: Y or other type connection 8) Rated speed: 1,500rpm / 1,800rpm9) Excitation: harmonic ...