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SR EN 50122-1:2022

Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 1: Protective provisions against electric shock

This document specifies requirements for the protective provisions relating to electrical safety in fixed installations associated with AC and/or DC traction systems and to any installations that can be endangered by the electric traction power supply system. This also includes requirements applicable to vehicles on electrified lines. It also applies to all aspects of fixed installations which are necessary to ensure electrical safety during maintenance work within electric traction power supply systems. This document applies to new electric traction power supply systems and major revisions to electric traction power supply systems for: a) railways; b) guided mass transport systems such as 1) tramways, 2) elevated and underground railways, 3) mountain railways, 4) trolleybus systems, 5) electric traction power supply systems for road vehicles, which use an overhead contact line system, and 6) magnetically levitated systems, which use a contact line system; c) material transportation systems. This document does not apply to: a) electric traction power supply systems in undergr

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Status : Valid
Approval date : 10/31/2022
Number of pages : 116
ICS : 29.280 Electric traction equipment
Technical Committee : 4 - Electrical equipment and systems for railways

Relations with other standards: