STB PDF

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

Document status: Active

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

Amendment 13 - Arc welding equipment - Part 1- Welding power sources. Original standard UNE-EN IEC 60974-1-2022 A13-2025 in PDF full version. Additional info + preview on request

Document status: Active

Corrigendum - Arc welding equipment - Part 14- Calibration, validation and consistency testing. Original standard UNE-EN IEC 60974-14-2018 AC-2022 in PDF full version. Additional info + preview on request

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Amendment 11 - Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-101- Safety requirements for in vitro diagnostic (IVD) medical equipment. Original standard UNE-EN IEC 61010-2-101-2023 A11-2023 in PDF full version. Additional info + preview on request

Document status: Active

Safety requirements for electrical equipment for measurement, control, and laboratory use Part 2-101- Safety requirements for in vitro diagnostic (IVD) medical equipment. Original standard UNE-EN IEC 61010-2-101-2023 in PDF full version. Additional info + preview on request

Document status: Active