A. Eberle GmbH & Co. KG, founded in 1980 and headquartered in Nuremberg, Germany, develops measurement and regulation technology for the energy sector and for medium-sized and large industrial companies. Its portfolio covers power quality analysers and fault recorders (fixed installed and mobile), voltage regulation for transformers with tap changers, low-voltage line regulation, short-circuit and earth fault indicators, earth fault compensation and current injection for Petersen coils, and related services such as engineering, commissioning, seminars and training.