STB PDF

Rotating electrical machines - Part 2-3- Specific test methods for determining losses and efficiency of converter-fed AC motors. Original standard UNE-EN IEC 60034-2-3-2020 in PDF full version. Additional info + preview on request

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Environmental testing - Tests. Test Kb- Salt mist, cyclic (sodium chloride solution). Original standard UNE-EN IEC 60068-2-52-2018 in PDF full version. Additional info + preview on request

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Environmental testing - Tests. Test Xw1- Whisker test methods for components and parts used in electronic assemblies. Original standard UNE-EN IEC 60068-2-82-2019 in PDF full version. Additional info + preview on request

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Explosive atmospheres Part 15- Equipment protection by type of protection "n". Original standard UNE-EN IEC 60079-15-2021 in PDF full version. Additional info + preview on request

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Amendment 1 - Explosive atmospheres - Part 7- Equipment protection by increased safety "e". Original standard UNE-EN IEC 60079-7-2016 A1-2019 in PDF full version. Additional info + preview on request

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Primary batteries - Part 4- Safety of lithium batteries. Original standard UNE-EN IEC 60086-4-2019 in PDF full version. Additional info + preview on request

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