variable dc power supply 1.CE,ROHS,UL 2.100% full ... burn-in test 3.2 years warranty 4.Efficiency>75% variable dc power supply ModelEPS-H101S15InputInput Voltage(V)176VAC-264VACInput Current ... StandardEN55022 Class B,EN61000-4-2,3,4,5,6,8,11 GB17626.5 Level3ProtectionOver voltage Protection>115%-135% Rated output ...