... 500kW 2) high performance and best after sale service lpg electric generator Features:1) Power range: 20kW to 500kW2) ... light alarm devices, auto shutdown8) Protection function: over-current, under-voltage, auto-regulate voltage, reverse power9) Monitor function: speed, ... 0.816) Exciting way: brushless17) Starting mode: 24V DC electric starting system18) Cooling mode: closed-circuit cooling system