Switching power supply compliant with ERP regulation, regulation that is applied to all devices that use any type of energy in the residential, tertiary and industrial sectors., This series of regulations (aimed at conspicuous energy savings) sets the maximum value of energy consumption at 1W with the appliance turned off or standby, or 2W if the product display shows information or status data., In metal container, with high efficiency and low working temperature. Compact and lightweight, with input overload protection, short circuit and over voltage protection.