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SRPS EN 50124-1:2010

Railway applications - Insulation coordination - Part 1: Basic requirements - Clearances and creepage distances for all electrical and electronic equipment

Jul 30, 2010
95.99   Withdrawal of Standard   May 29, 2020

General information

95.99     May 29, 2020

ISS

N009

European Norm

45.020     29.080  

English  

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Scope

The whole document deals with insulation coordination in railways. It applies to equipment for use in signalling, rolling stock and fixed installations up to 2000 m above sea level.
Insulation coordination is concerned with the selection, dimensioning and correlation of insulation both within and between items of equipment. In dimensioning insulation, electrical stresses and environmental conditions are taken into account. For the same conditions and stresses these dimensions are the same.
OneAn objective of insulation coordination is to avoid unnecessary overdimensioning of insulation.
This standard specifies:
 requirements for clearances and creepage distances for equipment;
 general requirements for tests pertaining to insulation coordination.
The term equipment relates to a section as defined in 1.3.1.3: it may apply to a system, a sub-system, an apparatus, a part of an apparatus, or a physical realisation of an equipotential line.
This standard does not deal with :
 distances through solid or liquid insulation;
 distances through gases other than air;
 distances through air not at atmospheric pressure;
 equipment used under extreme conditions.
Product standards have to align with this generic standard.
However, they may require, with justification, different requirements due to safety and/or reliability reasons, e.g. for signalling, and/or particular operating conditions of the equipment itself, e. g. overhead lines which have to comply to EN 50119.
This standard also gives provisions for dielectric tests (type tests or routine tests) on equipment (see annex B).
NOTE For safety critical systems, specific requirements are needed. These requirements will be resolved in the product specific signalling standard EN 50129 (in preparation).

Related directives

NOTE: If the word "harmonized" (marked in green) is not found in the field with the name of the directive, it means that the European standard is not cited in the OJEU.

96/48/EC

Interoperability of the trans-European high-speed rail system

Harmonized
2008/57/EC

DIRECTIVE 2008/57/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 17 June 2008 on the interoperability of the rail system within the Community (Recast)

Harmonized

Life cycle

NOW

WITHDRAWN
SRPS EN 50124-1:2010
95.99 Withdrawal of Standard
May 29, 2020

REVISED BY

PUBLISHED
SRPS EN 50124-1:2017

Related project

Adopted from EN 50124-1:2001

National regulations and standards

Pravilnik o održavanju železničkih vozila

ДИРЕКЦИЈА ЗА ЖЕЛЕЗНИЦЕ

"Сл. гласник РС", бр. 18/16 "Сл. гласник РС", бр. 18/16
Pravilnik o tehničkim uslovima za signalno sigurnosne uređaje

ДИРЕКЦИЈА ЗА ЖЕЛЕЗНИЦЕ