... Over voltage protection: 110-140% rated output voltageWithstand voltage: I/P~O/P: 4.25KVDC, 1 minute Working temperature: 0° ~ 50° C Safety ... approvedEMC standards: EN55022-B, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11, FCC part 15j class BStandard ... .AS-120P-1212V, 0-8.4A±4%100MV85.5%AS-120P-1515V, 0-6.7A±4%100MV87.5%AS-120P-2020V, 0 ...