Compact plug-in power supply for various power supply tasks. Examples of applications include single-board computers, wireless communication, peripherals, networking technology, mobile equipment, tablets, and smartphones, as well as telecommunications. With very low idle loss, these plug-in power supplies are ideal replacement power supplies for devices using conventional transformer and linear regulator technology. By replacing them, you save energy and money. The power plugs are interchangeable, allowing for worldwide operation. Travel adapters are no longer necessary.