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Low-voltage switchgear and controlgear Part 4-2: Contactors and motor-starters Semiconductor motor controllers, starters and soft-starters. Original standard UNE-EN IEC 60947-4-2-2023 in PDF full version. Additional info + preview on request

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Low-voltage switchgear and controlgear - Control units for built-in thermal protection (PTC) for rotating electrical machines. Original standard UNE-EN IEC 60947-8-2023 in PDF full version. Additional info + preview on request

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Rules for steam turbine thermal acceptance tests - Wide range of accuracy for various types and sizes of turbines. Original standard UNE-EN IEC 60953-0-2022 in PDF full version. Additional info + preview on request

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Rules for steam turbine thermal acceptance tests - Thermal performance verification tests of retrofitted steam turbines. Original standard UNE-EN IEC 60953-3-2022 in PDF full version. Additional info + preview on request

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Radio frequency and coaxial cable assemblies - Detail specification for cable assemblies for radio and TV receivers. Frequency range up to 3000 MHz, Screening class A++, IEC 61169-47 connectors. Original standard UNE-EN IEC 60966-2-8-2022 in PDF full version. Additional info + preview on request

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Radio frequency and coaxial cable assemblies Part 4-2: Detail specification for semi rigid cable assemblies (jumper) Frequency range up to 6 000 MHz, type 50-9 semi-rigid coaxial cable. Original standard UNE-EN IEC 60966-4-2-2023 in PDF full version. Additional info + preview on request

Document status: Active