10.26165/JUELICH-DATA/IUF96L Hoppe, Eugen0000-0003-0218-0802(Forschungszentrum Jülich GmbH, IET-4 Electrochemical Process Engineering)Holger Janßen0000-0002-9964-7503(Forschungszentrum Jülich GmbH, IET-4 Electrochemical Process Engineering)Sebastian Holtwerth0000-0002-5665-4279(Forschungszentrum Jülich GmbH, IET-4 Electrochemical Process Engineering)Martin Müller0000-0002-7521-8237(Forschungszentrum Jülich GmbH, IET-4 Electrochemical Process Engineering) Jülich DATA 2026 The data set under consideration provides the technical drawings of a PEM electrolysis stack with an active cell area of 1056 cm². The stack was developed at the Institute of Energy Technologies (IET-4) at Forschungszentrum Jülich. The primary function of this stack is to facilitate the precise and meticulous testing of diverse components utilized in the PEM electrolysis process, employing a technical scale for accurate measurement. Hoppe, Eugen(Forschungszentrum Jülich GmbH, IET-4 Electrochemical Process Engineering)