... and high-efficiency IGBT inverter technology with high-frequency Pulse Width Modulation technology (PWM). It could reduce noise and power ... transformers, static bypass, and maintenance bypass.Inverter Overload Ability reached 110% ... power capacitySoftware InterfaceWindows9X,2000,NT,Me,XP,Linux,Novell,Macosx,NT4.0Meantime between failures300,000 HoursotherDustproof and damp-proof, isolating inverter ...