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  • BSI
    20/30430757 DC BS EN 50122-1. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit - Part 1. Protective provisions against electric shock
    Edition: 2020
    $44.66
    / user per year

Description of 20/30430757 DC 2020

This document specifies requirements for the protective provisions relating to electrical safety in fixed in-stallations 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 the requirements which are present at the in-terface with the live parts on the outside of the vehicles. It also applies to all aspects of fixed installations that are necessary to ensure electrical safety during maintenance work within electric traction power supply systems. This document applies to all new lines and to all major revisions to existing lines for the following electric traction power supply systems: 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 supplies 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: d) mine traction systems in underground mines, e) cranes, transportable platforms and similar transportation equipment on rails, temporary structures (e.g. exhibition structures) in so far as these are not supplied directly or via transformers from the contact line system and are not endangered by the electric traction power supply system, f) suspended cable cars, g) funicular railways. This document does not specify working rules for maintenance.

Standard Number20/30430757 DC
TitleBS EN 50122-1. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit - Part 1. Protective provisions against electric shock
StatusDefinitive
Publication Date2020-11-27
Identical National Standard OfprEN 50122-1
DescriptorsRailway fixed equipment, Rail safety, Electrical safety, Overhead power lines, Overhead contact systems, Electric substations, Electrical faults, Electrical protection equipment, Ground-level contact systems, Earthing, Railway equipment, Safety measures, Switching substations, Direct current, Railway electric traction equipment, Earth-leakage circuit-breakers, Alternating current, Earth conductors, Electric shocks, Voltage, Protective relays, Clearances, Electric power transmission
ICS29.280 Electric traction equipment, 29.120.50 Fuses and other overcurrent protection devices
CommitteeGEL/9/3
PublisherBSI
Pages100

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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