The requirements of the fire protection regulation according to UNI 9177 applicable for Italy, a country-specific supplement to the type certification according to IEC 61730, are significantly stricter than the otherwise valid EU standard. Only separately certified solar modules may be used in the installation of PV systems.
See also:
Phoenix Contact 2020: PV Sets with surge protection
In cooperation with the “Istituto Giordano” accredited by the Italian government, Bauer solar modules of the 6MB and 6MHB series were tested in February and certified with the “classe di reazione al fuoco uno” (Fire Protection Certificate Class 1). A distinction is made here between three protection classes: Solar modules that meet the requirements of the top fire protection class 1 with excellent fire protection behaviour may be installed without further evidence of the properties of the fire propagation of the roofing materials. (mfo)