Normativa ISO UNE gratis

Fecha de publicación: 14/11/2017 Smart grid standardization roadmap IEC TR 63097:2017

Fecha de publicación: 14/11/2017 Surge arresters – Part 8: Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV IEC 60099-8:2017

Fecha de publicación: 14/11/2017 Surge arresters – Part 8: Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV IEC 60099-8:2017 RLV

Fecha de publicación: 14/11/2017 Corrigendum 1 – Amendment 56 – Lamp caps and holders together with gauges for the control of interchangeability and safety – Part 1: Lamps Caps IEC 60061-1:1969/AMD56:2017/COR1:2017

Fecha de publicación: 17/11/2017 International Electrotechnical Vocabulary (IEV) – Part 811: Electric traction IEC 60050-811:2017

Fecha de publicación: 20/11/2017 International Electrotechnical Vocabulary (IEV) – Part 821: Signalling and security apparatus for railways IEC 60050-821:2017

Fecha de publicación: 22/11/2017 Semiconductor devices – Micro-electromechanical devices – Part 29: Electromechanical relaxation test method for freestanding conductive thin-films under room temperature IEC 62047-29:2017

Fecha de publicación: 22/11/2017 Halogen-free thermoplastic insulated and sheathed flexible cables of rated voltages up to and including 300/300 V – Part 1: General requirements and cables IEC 63010-1:2017

Fecha de publicación: 27/11/2017 Cable networks for television signals, sound signals and interactive services – Part 3: Active wideband equipment for cable networks IEC 60728-3:2017

Fecha de publicación: 27/11/2017 Cable networks for television signals, sound signals and interactive services – Part 3: Active wideband equipment for cable networks IEC 60728-3:2017 RLV