EFEN GmbH

For over 90 years, EFEN has been committed to safeguarding energy distribution systems. Whether you operate in the field of industry, infrastructure or in the power supply sector, EFEN is your trustworthy partner for customized integrated solutions. Your benefits: Excellent plant reliability and superior performance In close cooperation with you, we design systems that match your requirements and enhance energy efficiency and reliability in grid operation. EFEN offers circuit protection systems adapted to the respective field of application. Your benefits: Reliable grid operation as well as safe shut-down in the event of overloads or short circuits to protect people and investments and maximize plant availability.