UNE-EN 50123-1:2004
Current
The latest, up-to-date edition.
Railway applications - Fixed installations - D.C. switchgear -- Part 1: General
Hardcopy , PDF
Spanish, Castilian, English
24-09-2004
1 Scope
2 Normative references
3 Definitions
3.1 General terms
3.2 Performance characteristics
3.3 Components
3.4 Terms relating to d.c. circuit breakers,
switch-disconnectors and associated relays
4 Service conditions and requirements
4.1 Environmental conditions
4.2 Insulation levels
5 Standard features and conventional assumptions
5.1 Standard features and conventional parameters
for the main circuit
5.2 Standard features for auxiliary and control
circuits
6 Temperature-rise limits
7 Tests
7.1 General
7.2 Test tolerances
7.3 Tests on movable devices
7.4 Temperature-rise test
7.5 Dielectric tests
7.6 Short circuit and load switching conditions
7.7 Verification of the behaviour during short-time
withstand current test
7.8 Verification of the manual control device for
sturdiness and position indicator reliability
Annex A (normative) Diagrams for tests
Annex B (normative) Environmental conditions for indoor
installations
Annex C (normative) Search of critical currents for d.c.
circuit breakers and switches
Annex D (informative) Recommended creepage distances
Annex E (informative) Determination of maximum energy
fault location
Bibliography
Figures
Tables
Specifies requirements for d.c. switchgear and controlgear. Meant to be used in fixed electrical installations, with nominal voltage not over 3,000 V d.c. which supply electrical power to vehicles for public guided transport.
| Committee |
CTN 203/SC 9XC
|
| DocumentType |
Standard
|
| Pages |
48
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Current
|
| Standards | Relationship |
| BS EN 50123-1:2003 | Identical |
| EN 50123-1:2003 | Identical |
| DIN EN 50123-1 : 2003 COR 1 2004 | Identical |
| I.S. EN 50123-1:2003 | Identical |
| NEN EN 50123-1 : 2003 | Identical |
| NF EN 50123-1 : 2004 | Identical |
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