EA Elektro-Automatik GmbH is a German manufacturer founded in 1974 and headquartered in Viersen, Germany. The company specializes in the development and production of programmable DC power supplies, electronic loads, and bidirectional power supply systems for demanding test and measurement applications. Core product series include the EA-PSI programmable DC power supplies, renowned for high power density and efficiency up to 30 kW in a 3U rack; the EA-ELR regenerative electronic loads that feed energy back into the grid; the EA-PSB bidirectional DC power supplies combining source and sink functionality; and the EA-BT battery test systems for charge/discharge cycling. EA Elektro-Automatik is recognized as a leading European provider of high-power laboratory power supplies, serving industries such as automotive (electric vehicle battery and inverter testing), aerospace, renewable energy, and industrial electronics. The company maintains a strong global presence through subsidiaries and distribution partners, with a reputation for precision, reliability, and innovative regenerative energy solutions. While not a semiconductor manufacturer, it holds a significant position in the power electronics test equipment market, often competing with Keysight and Chroma in high-wattage applications.