... running . 2. Advanced IGBT inverter technology combined high reliable and high efficiency IGBT inverter technologywith high frequency pluse ... , under-voltage; Output overload, short-circuit; Inverter over-temperature; Battery under-voltage, over-voltageRunning temperature ... failures300,000 HoursOptionalDustproof and damp-proof, isolating inverter transformer, Lightning Surge absorption, Static switches ...