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Interoperability specifications and communication method for external power supplies used with computing and consumer electronics devices. Original standard BS EN IEC 63002-2025 in PDF full version. Additional info + preview on request
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Fibre optic interconnecting devices and passive components - Fibre optic connector optical interfaces for enhanced macrobend multimode fibres Part 3-61: Connector parameters of physically contacting 50 μm core diameter fibres - Non-angled 2,5 mm and 1,25 mm diameter cylindrical full zirconia ferrules for reference connection applications. Original standard BS EN IEC 63267-3-61-2025 in PDF full version. Additional info + preview on request
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Fibre optic interconnecting devices and passive components - Connector optical interfaces for enhanced Macro bend multimode fibre Part 3-81: Connector parameters of physically contacting 50 μm core diameter fibres - Non-angled polyphenylene sulphide rectangular ferrules with single row of 12, 8, 4, or 2 fibres for reference connector applications. Original standard BS EN IEC 63267-3-81-2025 in PDF full version. Additional info + preview on request
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Sensing devices for non-intrusive load monitoring (NILM) systems. Original standard BS EN IEC 63297-2025 in PDF full version. Additional info + preview on request
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Energy efficiency. Customer energy management systems - General requirements and architecture. Original standard BS EN IEC 63402-1-2025 in PDF full version. Additional info + preview on request
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Electrical relays. Tests and measurements - Maximum frequency of operation. Original standard BS EN IEC 63522-45-2025 in PDF full version. Additional info + preview on request
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