... 3A 12v ac-dc switching power supply Certification UL,SAA,PSE,GS,CE,CB,FCC,C-Tick, SAFETYElectric performance l Output power(max) ... electronic digital / communication / security / lighting / medical etcEnvironmental and reliabilityl Oprating temperature, 0~40°Cl Oprating humidity , 10 ... Cl Insulation resistance , 500Vdc 100MΩ min between AC plug and DC plug and case 3A 12V ac-dc switching power supply