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Railway applications. Electromagnetic compatibility - Rolling stock. Apparatus. Original standard BS EN 50121-3-2-2016 + A1-2019 in PDF full version. Additional info + preview on request

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Railway applications. Electromagnetic compatibility - Emission and immunity of the signalling and telecommunications apparatus. Original standard BS EN 50121-4-2016 + A1-2019 in PDF full version. Additional info + preview on request

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Railway applications. Electromagnetic compatibility - Emission and immunity of fixed power supply installations and apparatus. Original standard BS EN 50121-5-2017 + A1-2019 in PDF full version. Additional info + preview on request

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Railway applications. Fixed installations. Electrical safety, earthing and the return circuit - Provisions against the effects of stray currents caused by DC traction systems. Original standard BS EN 50122-2-2022 in PDF full version. Additional info + preview on request

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Railway applications. Fixed installations. D.C. switchgear - General. Original standard BS EN 50123-1-2003 in PDF full version. Additional info + preview on request

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Railway applications. Fixed installations. D.C. switchgear - D.C. circuit breakers. Original standard BS EN 50123-2-2003 in PDF full version. Additional info + preview on request

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