Belarus standards PDF

Safety of machinery. Electrical equipment of machines - Requirements for equipment for voltages above 1 000 V AC or 1 500 V DC and not exceeding 36 kV. Original standard UNE-EN IEC 60204-11-2019 in PDF full version. Additional info + preview on request

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Amendment 1 - Edison screw lampholders. Original standard UNE-EN IEC 60238-2018 A1-2018 in PDF full version. Additional info + preview on request

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Measuring relays and protection equipment - Functional requirements for frequency protection. Original standard UNE-EN IEC 60255-181-2019 in PDF full version. Additional info + preview on request

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Scales and sizes for plotting frequency characteristics and polar diagrams. Original standard UNE-EN IEC 60263-2020 in PDF full version. Additional info + preview on request

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Sound system equipment - Objective rating of speech intelligibility by speech transmission index. Original standard UNE-EN IEC 60268-16-2020 in PDF full version. Additional info + preview on request

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Sound system equipment - Electrical and mechanical measurements on transducers. Original standard UNE-EN IEC 60268-22-2020 in PDF full version. Additional info + preview on request

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