STB PDF

Amendment 1 - Bushings up to 1 kV and from 250 A to 5 kA, for liquid filled transformers. Original standard UNE-EN 50386-2011 A1-2013 in PDF full version. Additional info + preview on request

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Busbar bushings up to 1 kV and from 1,25 kA to 5 kA, for liquid filled transformers. Original standard UNE-EN 50387-2003 in PDF full version. Additional info + preview on request

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Corrigendum - Railway Applications - Power supply and rolling stock - Technical criteria for the coordination between power supply (substation) and rolling stock to achieve interoperability. Original standard UNE-EN 50388-2013 AC V2-2013 in PDF full version. Additional info + preview on request

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Test methods and requirements for accessories for use on distribution cables of rated voltage 0,6/1,0 (1,2) kV. Original standard UNE-EN 50393-2015 in PDF full version. Additional info + preview on request

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Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen. Requirements on the functional safety of gas detection systems. Original standard UNE-EN 50402-2017 in PDF full version. Additional info + preview on request

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Amendment 1 - Railway applications - Current collection systems - Pantographs, testing methods for contact strips. Original standard UNE-EN 50405-2016 A1-2017 in PDF full version. Additional info + preview on request

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