Normativa ISO UNE gratis

Fecha de publicación: 08/12/2020 Measurement of the complex permittivity for low-loss dielectric substrates balanced-type circular disk resonator method IEC 63185:2020

Fecha de publicación: 10/12/2020 Amendment 1 – Low-Voltage electrical installations – Part 5-53: Selection and erection of electrical equipment – Devices for protection for safety, isolation, switching, control and monitoring IEC 60364-5-53:2019/AMD1:2020

Fecha de publicación: 14/12/2020 Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-30: Examinations and measurements – Endface geometry of rectangular ferrule IEC 61300-3-30:2020

Fecha de publicación: 14/12/2020 Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-30: Examinations and measurements – Endface geometry of rectangular ferrule IEC 61300-3-30:2020 RLV

Fecha de publicación: 15/12/2020 Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-53: Examinations and measurements – Encircled angular flux (EAF) measurement method based on two-dimensional far field data from multimode waveguide (including fibre) IEC 61300-3-53:2020

Fecha de publicación: 15/12/2020 Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-53: Examinations and measurements – Encircled angular flux (EAF) measurement method based on two-dimensional far field data from multimode waveguide (including fibre) IEC 61300-3-53:2020 RLV

Fecha de publicación: 16/12/2020 Solderless connections – Part 7: Spring clamp connections – General requirements, test methods and practical guidance IEC 60352-7:2020

Fecha de publicación: 16/12/2020 Solderless connections – Part 7: Spring clamp connections – General requirements, test methods and practical guidance IEC 60352-7:2020 RLV

Fecha de publicación: 17/12/2020 Low-voltage fuses – Part 5: Guidance for the application of low-voltage fuses IEC TR 60269-5:2014+AMD1:2020 CSV

Fecha de publicación: 05/01/2021 High-voltage switchgear and controlgear – Part 312: Guidance for the transferability of type tests of high-voltage/low-voltage prefabricated substations IEC TR 62271-312:2021