NBN EN 50124-1 : 2001 AMD 2 2006
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
12-01-2013
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.