90 PV range Products for photovoltaic systems - The 90 PV range comprises 6 versions of string boards able to meet the most varying photovoltaic plant engineering requirements, from the residential context to the commercial/industrial oneThe different versions are distinguished by the number of strings that can be managed, and by the voltage level of the photovoltaic generator.In addition to string boards, the range also includes modular products specifically for the DC side of the photovoltaic system.