STB PDF

Conductors of insulated cables. Original standard UNE-EN IEC 60228-2025 in PDF full version. Additional info + preview on request

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Measuring relays and protection equipment - Electromagnetic compatibility requirements. Original standard UNE-EN IEC 60255-26-2025 in PDF full version. Additional info + preview on request

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Measuring relays and protection equipment - Product safety requirements. Original standard UNE-EN IEC 60255-27-2025 in PDF full version. Additional info + preview on request

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Fixed capacitors for use in electronic equipment - Sectional specification. Fixed surface mount multilayer capacitors of ceramic dielectric, Class 1. Original standard UNE-EN IEC 60384-21-2024 in PDF full version. Additional info + preview on request

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Magnetic materials - Permanent magnet (magnetically hard) materials. Methods of measurement of the magnetic properties in an open magnetic circuit using a superconducting magnet. Original standard UNE-EN IEC 60404-18-2025 in PDF full version. Additional info + preview on request

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Radio interference test on high-voltage insulators. Original standard UNE-EN IEC 60437-2025 in PDF full version. Additional info + preview on request

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