10.26165/JUELICH-DATA/DC8DIP Arnold, LukasHehnen, TristanLa Mendola, Saverio Jülich DATA 2025 This data set is a supplementary resource for the article "Numerical Fire Spread Simulation Based on Material Pyrolysis - An Application to the CHRISTIFIRE Phase 1 Horizontal Cable Tray Tests", published by the peer-reviewed open access journal Fire. It is part of the "Fire Propagation in Cable Tray Installations" project. The provided data is only a summary of the full data produced for the article, due to its size.