Heavy-duty protections, including OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), and SCP (Short Circuit Protection) Input: 100-240VAC, 8A, 50/60 Hz, output rails:(total max 500W @ +40C) Operating Temperature: 0° to 50°C, MTBF: 100,000 Hours, approvals: TUV, cUL, UL, CE, FCC, WEEE, RoHS Active Power Factor Correction (PFC) Standard 3 year warranty