Normativa ISO UNE gratis

Fecha de publicación: 12/09/2013 Railway applications – Fixed installations – Electrical safety, earthing and the return circuit – Part 3: Mutual interaction of a.c. and d.c. traction systems IEC 62128-3:2013

Fecha de publicación: 12/09/2013 Superconductivity – Part 18: Mechanical properties measurement – Room temperature tensile test of Ag- and/or Ag alloy-sheathed Bi-2223 and Bi-2212 composite superconductors IEC 61788-18:2013

Fecha de publicación: 12/09/2013 Overhead lines – Methods for testing self-damping characteristics of conductors IEC 62567:2013

Fecha de publicación: 12/09/2013 Electronic railway equipment – On board driving data recording system – Part 1: System specification IEC 62625-1:2013

Fecha de publicación: 13/09/2013 Industrial communication networks – Profiles – Part 5-14: Installation of fieldbuses – Installation profiles for CPF 14 IEC 61784-5-14:2013

Fecha de publicación: 13/09/2013 Industrial communication networks – Profiles – Part 5-16: Installation of fieldbuses – Installation profiles for CPF 16 IEC 61784-5-16:2013

Fecha de publicación: 13/09/2013 Railway applications – Rolling stock – Pantographs – Characteristics and tests – Part 2: Pantographs for metros and light rail vehicles IEC 60494-2:2013

Fecha de publicación: 13/09/2013 Railway applications – Rolling stock – Pantographs – Characteristics and tests – Part 1: Pantographs for main line vehicles IEC 60494-1:2013

Fecha de publicación: 16/09/2013 Railway applications – Fixed installations – Electrical safety, earthing and the return circuit – Part 1: Protective provisions against electric shock IEC 62128-1:2013

Fecha de publicación: 16/09/2013 Railway applications – Fixed installations – Electrical safety, earthing and the return circuit – Part 2: Provisions against the effects of stray currents caused by d.c. traction systems IEC 62128-2:2013