... Dual output switching power supplyModel Output: D-30A: 5V, 0.5~4A / 12V, 0.1~1A D-30B: 5V, 0.5~4A / 24V, 0. ... CH1; -5~+10% of rated output voltageOver load protection: 105%~150%fold back current limiting auto-recoverySetup, rise, hold ... 5KVAC, I/P-FG: 1.5KVAC 1minute.Working temperature: 0~50@100%, -10@80%, 60@60%loadSafety standards: ... refer to FCC part 15J. 50W switching power supply with single output