... certificate 3)10days delivery time 4)3 to 50kw Three phase generator,Three phase brushed generator,1.Widely used in town, countryside,worksites ... and adopt harmonic excitation system, easy operation and maintenance. 3. three-phase, four-wire type, adopted star connection with neutral point. ... The rated line voltage is 400V,phase voltage 230V,frequency 50Hz, power factor 0.8(lag). ...