... & 1500H warranty class H insulation ex-factory test report AC three phase, self-excited, brushless POWER WORLD V series environment ... , ENGGA brushless alternator) 3 Phase 4 Wire, Brushless, H class Insulation, Self-Exited ,IP23 Protection, AVR regulation, Voltage deviation: ... of production or raw material. After expiration, Power World provides cost spare parts maintenance of gensets.Soundproof/Silent ...