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NBN EN 50124-1 : 2001 AMD 2 2006

Current

Current

The latest, up-to-date edition.

RAILWAY APPLICATIONS - INSULATION COORDINATION - PART 1: BASIC REQUIREMENTS - CLEARANCES AND CREEPAGE DISTANCES FOR ALL ELECTRICAL AND ELECTRONIC EQUIPMENT

Published date

12-01-2013

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Introduction
1 General
   1.1 Scope
   1.2 Normative references
   1.3 Definitions
2 Basis for insulation coordination
   2.1 Basic principles
   2.2 Voltages and voltage ratings
   2.3 Frequency
   2.4 Time under voltage stress
   2.5 Pollution
   2.6 Insulating material
3 Requirements and dimensioning rules for
   clearances
   3.1 General
   3.2 Minimum clearances
   3.3 Contingency
4 Dimensioning rules for creepage distances
   4.1 General
   4.2 Minimum creepage distances
5 Tests and measurements
   5.1 General
   5.2 Measurement of creepage distances and
        clearances
   5.3 Verification of clearances by impulse test
   5.4 Verification of clearances by power-frequency
        test
   5.5 Verification of clearances by d.c. voltage
        test
6 Specific requirements for applications in the
   railway field
   6.1 Specific requirements for signalling
   6.2 Specific requirements for rolling stock
   6.3 Specific requirements for fixed installations
Annex A (normative) Tables
Annex B (normative) Provisions for type and routine
        dielectric tests for equipment
Annex C (normative) Methods of measuring creepage
        distances and clearances
Annex D (normative) Correlation between U[n] and
        U[Nm]
Annex E (informative) Macro-environmental conditions
Annex F (informative) Bibliography
Annex G (informative) Application guide

Covers insulation coordination in railways. Defines clearance requirements and creepage distances for equipment as well as general requirements for tests related to insulation coordination. Applicable to equipment used in signalling, rolling stock and fixed installations up to 2000 m above sea level. Also provides provisions for dielectric tests on equipment. Not applicable to distances through solid or liquid insulation, distances through gases other than air, distances through air not at atmospheric pressure and equipment used under extreme conditions.

DocumentType
Standard
PublisherName
Belgian Standards
Status
Current

Standards Relationship
BS EN 50124-1:2017 Identical
EN 50124-1:2017 Identical
NEN EN 50124-1 : 2017 Identical
I.S. EN 50124-1:2017 Identical
SN EN 50124-1 : 2017 Identical
UNE-EN 50124-1:2001 Identical
NF EN 50124-1 : 2017 Identical
DIN EN 50124-1 : 2017 Identical
UNE-EN 50124-1:2017 Identical

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