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Insulators for overhead lines with a nominal voltage above 1 000 V. Ceramic insulators for AC systems. Characteristics of insulator units of the long rod type. Original standard UNE-EN IEC 60433-2022 in PDF full version. Additional info + preview on request

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Measurement of quartz crystal unit parameters - Measurement of drive level dependence (DLD). Original standard UNE-EN IEC 60444-6-2021 in PDF full version. Additional info + preview on request

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Basic and safety principles for man-machine interface, marking and identification. Identification of equipment terminals, conductor terminations and conductors. Original standard UNE-EN IEC 60445-2021 in PDF full version. Additional info + preview on request

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Resin based reactive compounds used for electrical insulation - Specifications for individual materials. Resins for cable accessories. Original standard UNE-EN IEC 60455-3-8-2021 in PDF full version. Additional info + preview on request

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Clevis and tongue couplings of string insulator units Dimensions. Original standard UNE-EN IEC 60471-2021 in PDF full version. Additional info + preview on request

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Laboratory resistors - Laboratory DC resistors. Original standard UNE-EN IEC 60477-1-2022 in PDF full version. Additional info + preview on request

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