Leviton 47605-PSA Universal Power Supply, White Nine DC power connections Fold back function automatically limits the output power protecting connected devices from overloads and short-circuit overloads If the draw on the DC output increases to 105-150 percent of nominal current, the power will be limited to 40 watts One green LED indicates DC output is present Efficient circuitry operates at a low temperature Easily installed using a terminal block to connect the incoming line, neutral and ground