... , UL/CUL, PSE, GS, BS, CE, CB, FCC Protections1)over voltage protection: 120%min2)over current protection: 120%min3)over protection4 ... )storage temperature: -20-853)opera ting relative humidity:595%RH4) Withstanding voltage: AC 3,000V (minimum), 5mA (maximum) 5Insulation resistance: DC 500V ...