... ex-factory test report AC three phase, self-excited, brushless POWER WORLD V series environment consciousness Gen Set of ... :1) Engine: VOLVO2) Alternator:(Stamford, Leroy Somer, Marathon, ENGGA brushless alternator) 3 Phase 4 Wire, Brushless, H class Insulation, Self ... interference.3) Frequency: 50 & 60Hz4) 3 Phase 4 Wire5) Speed: 1500rpm & 1800rpm6) Three Phase Voltage Available: 208V / 220V / 230V / ...