... burn-in test.Short circuit / over load/Over-voltage protection.International AC input/ full range.Input voltage ................................. 85~264VAC;120~370VDCInput ... temp .................................. 0-45 @100%,-10 @80%,60 @60%Safety standard ............................... UL 1012 ,TUV EN60950EMC standard .................................. EN55022 class B, IEC801-2,3,4,5 ...