The Emerson Network Power 40 Watt DP40 Series of Power Adapters feature a fully regulated single output and input voltages of 90-264VAC or 127-300VDC. The DP40 offers short circuit and overload protection, as well as constant voltage, high MTBF, and high efficiency. The Emerson Network Power 40 Watt DP40 Power Adapters are CEC IV compliant and meets Energy Star 2.0. A preapproved power solution for a wide variety of portable and desktop applications.