... switching power supply (1) Electric Power (2) CE ,CCC ,ROHS Certification (3) Good price SWITCHING POWER SUPPLY TYPENODR-50-5DR-50-12DR-50-15DR-50-24OUTPUTAC input ... @60%loadSafety standatdsUL1012,UL60950,TUV En60950approvedEMC stndardsEn55022 classB,EN61000-3-2,DN61000-4-2,2,3,4,5