... , America and other countries with the end covers to be model B. (2)STC Series Three-phase A.C.Synchronous GeneratorSThe ... is 400V,phase voltage 230V,frequency 50Hz, power factor 0.8(lag).We can provide 60Hz and other voltage generators according ... load varies within the range of 0~100% cosø=0.8~1.0, the generators offer constant voltage when sudden change ...