STB PDF

Amendment 1 - Power frequency overvoltage protective device for household and similar applications (POP). Original standard UNE-EN 50550-2012 A1-2015 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN IEC 63052-2022

Simplex and duplex cables to be used for cords - Blank detail specification and minimum requirements. Original standard UNE-EN 50551-1-2011 in PDF full version. Additional info + preview on request

Document status: Replaced by

Railway applications Requirements for running capability in case of fire on board of rolling stock. Original standard UNE-EN 50553-2012 in PDF full version. Additional info + preview on request

Document status: Active

Amendment 2 - Railway applications. Requirements for running capability in case of fire on board of rolling stock. Original standard UNE-EN 50553-2012 A2-2020 in PDF full version. Additional info + preview on request

Document status: Active

Corrigendum - Railway applications - Requirements for running capability in case of fire on board of rolling stock. Original standard UNE-EN 50553-2012 AC-2013 in PDF full version. Additional info + preview on request

Document status: Active

Road traffic signal systems. Original standard UNE-EN 50556-2011 in PDF full version. Additional info + preview on request

Document status: Withdrawn