... over current protection,over temperature protection.3. High energy efficiency,average efficiency accord with ES& ... CEC08 standards.4.High reliability,long life,MTBF:100,000hrs(full load,25°C, ... Mil-HDBD-217F)5. certificates:CE,CB,UL,GS,SAA,ROHS ect6.Portable and low ... leakage current, low audio noise.7.Tolerance lightning ability is high,up to 10kv ...