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Rotating electrical machines - Specific test methods for determining losses and efficiency of converter-fed AC motors. Original standard UNE-EN IEC 60034-2-3-2024 in PDF full version. Additional info + preview on request

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Rotating electrical machines - Efficiency classes of high voltage AC motors (IE-code). Original standard UNE-EN IEC 60034-30-3-2024 in PDF full version. Additional info + preview on request

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Insulation co-ordination - Part 2- Application guidelines. Original standard UNE-EN IEC 60071-2-2024 in PDF full version. Additional info + preview on request

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Explosive atmospheres - Electrical installations inspection and maintenance. Original standard UNE-EN IEC 60079-17-2024 in PDF full version. Additional info + preview on request

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Explosive atmospheres - Equipment with Separation Elements or combined Levels of Protection. Original standard UNE-EN IEC 60079-26-2024 in PDF full version. Additional info + preview on request

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Explosive atmospheres - Equipment dust ignition protection by enclosure "t". Original standard UNE-EN IEC 60079-31-2024 in PDF full version. Additional info + preview on request

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