STB PDF

Aerospace series. Steel GX5CrNiCuNb16-4 (1.4525). Homogenized, solution treated and precipitation hardened. Investment casting. De ≤ 50 mm. Rm ≥ 900 MPa. Original standard UNE-EN 4216-2026 in PDF full version. Additional info + preview on request

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Rotating electrical machines - Part 26- Effects of unbalanced voltages on the performance of three-phase cage induction motors. Original standard UNE-EN IEC 60034-26-2026 in PDF full version. Additional info + preview on request

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Rotating electrical machines - Part 30-1- Efficiency classes of line operated AC motors (IE code). Original standard UNE-EN IEC 60034-30-1-2026 in PDF full version. Additional info + preview on request

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Rotating electrical machines. Dimensions and output series - Small built-in motors. Flange numbers BF10 to BF50. Original standard UNE-EN IEC 60072-3-2026 in PDF full version. Additional info + preview on request

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Classification of environmental conditions - Part 3-5- Classification of groups of environmental parameters and their severities - Ground vehicle installations. Original standard UNE-EN IEC 60721-3-5-2026 in PDF full version. Additional info + preview on request

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Semiconductor devices - Mechanical and climatic test methods - Bond strength - wire bond pull test methods. Original standard UNE-EN IEC 60749-22-1-2026 in PDF full version. Additional info + preview on request

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