Lifetime Series 600W Atx Psu Efficiency - 78% at Typical Load AC Input Voltage - 115V/230V AC Input Frequency - 50-60Hz AC Input Currents - 10A (RMS) for 115VAC input and 6A (RMS) for 230VAC input Short Circuit Protection, In-Rush Current Protection, Thermal Overload Cutoff Protection, Over-Temperature, Over-Voltage, Over-Current, and Under Voltage