Belarus standards PDF

Electrical installations for lighting and beaconing of aerodromes - Fundamental principles. Particular requirements for series circuits. Original standard BS EN IEC 61820-1-2-2024 in PDF full version. Additional info + preview on request

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Electrical installations for aeronautical ground lighting at aerodromes - Fundamental principles. Original standard BS EN IEC 61820-1-2019 in PDF full version. Additional info + preview on request

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Electrical installations for lighting and beaconing of aerodromes - Requirements for power supplies. Particular requirements for series circuits. Original standard BS EN IEC 61820-3-2-2023 in PDF full version. Additional info + preview on request

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Electrical installations for lighting and beaconing of aerodromes - Safety secondary circuits in series circuits. General safety requirements. Original standard BS EN IEC 61820-3-4-2023 in PDF full version. Additional info + preview on request

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Ultrasonics. Transducers. Definitions and measurement methods regarding focusing for the transmitted fields. Original standard BS EN IEC 61828-2021 in PDF full version. Additional info + preview on request

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Surface mounted piezoelectric devices for frequency control and selection. Standard outlines and terminal lead connections - Ceramic enclosures. Original standard BS EN IEC 61837-2-2018 + A1-2020 in PDF full version. Additional info + preview on request

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