... featurs:Powered by imported Korea engines Turbocharged, low noise and good displacement In accordance with IS0046 standard Stable performance, compact ... , AVR regulation, Voltage deviation: ±0.5%, THF<5%,low radio interference.3) Frequency: 50 & 60Hz4) 3 Phase 4 ... and all protection function (overspeed stop, high water temperature, low oil pressure, battery charging fail,emergency stop)Accessories: 1) ...