Belarus standards PDF

Designation of phase differences by hour numbers in three-phase AC systems. Original standard UNE-EN IEC 60152-2021 in PDF full version. Additional info + preview on request

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Electrical insulating materials. Thermal endurance properties - Instructions for calculating thermal endurance characteristics. Original standard UNE-EN IEC 60216-3-2021 in PDF full version. Additional info + preview on request

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Measuring relays and protection equipment - Functional requirements for differential protection. Restrained and unrestrained differential protection of motors, generators and transformers. Original standard UNE-EN IEC 60255-187-1-2021 in PDF full version. Additional info + preview on request

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High-voltage fuses - Part 1- Current-limiting fuses. Original standard UNE-EN IEC 60282-1-2021 in PDF full version. Additional info + preview on request

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High-voltage fuses - Part 4- Additional testing requirements for high-voltage expulsion fuses utilizing polymeric insulators. Original standard UNE-EN IEC 60282-4-2021 in PDF full version. Additional info + preview on request

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Fluids for electrotechnical applications Mineral insulating oils for electrical equipment. Original standard UNE-EN IEC 60296-2021 in PDF full version. Additional info + preview on request

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