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This document is intended to define the electromagnetic environment of the whole railway system including urban mass transit and light rail systems. It describes the measurement method to verify the emissions and gives the cartography values of the fields most frequently encountered.
This document specifies the emission limits of the whole railway system to the outside world.
The emission parameters refer to the particular measuring points defined in Clause 5.
Also, the zones above and below the railway system can be affected by electromagnetic emissions and particular cases need to be considered individually.
For existing railway systems, it is assumed that compliance with the emission requirements of prEN 50121‑3‑1:2025, prEN 50121‑3‑2:2025, prEN 50121‑4:2025 and prEN 50121‑5:2025 will ensure the compliance with the emission values given in this part.
This document gives emission limits for newly built railway systems (not yet in operation) with different characteristics (e.g. higher design speed of the line, static switching components) in comparison with existing railway systems.
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