BS EN 50123-2:2003
Current
The latest, up-to-date edition.
Railway applications. Fixed installations. D.C. switchgear D.C. circuit breakers
Hardcopy , PDF
English
11-07-2003
1 Scope
2 Normative references
3 Definitions
4 Service requirements
5 Characteristics of the circuit breaker
5.1 Enumeration of the characteristics
5.2 Type of circuit breaker
5.3 Rated values and limit values for the main
circuit
5.4 Control circuits
5.5 Auxiliary contacts and circuits
5.6 Releases
5.7 Arc voltage
6 Construction
6.1 General
6.2 Circuit breaker enclosures
6.3 Temperature-rises
6.4 Dielectric strength
6.5 Electrical and mechanical endurance
6.6 Operation
6.7 Corrosion protection
6.8 Noise emission
6.9 Cooling
6.10 Servo-control (where applicable)
6.11 Other facilities
7 Information and marking
7.1 Information
7.2 Marking
8 Tests
8.1 General
8.2 Applicable tests and test sequence
8.3 Performance of tests
Annex A (informative) Information required
A.1 General
A.2 Procurement specification
A.3 Manufacturer's specification
Tables
Specifies requirements for d.c. circuit breakers for use in stationary installations of traction systems.
| Committee |
GEL/9
|
| DevelopmentNote |
Supersedes 01/206786 DC To be read in conjunction with BS EN 50123-1 (07/2003)
|
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NBN EN 50123-2 : 2003 | Identical |
| DIN EN 50123-2:2003-11 | Identical |
| EN 50123-2:2003 | Identical |
| NF EN 50123-2 : 2004 | Identical |
| NEN EN 50123-2 : 2003 | Identical |
| I.S. EN 50123-2:2003 | Identical |
| UNE-EN 50123-2:2004 | Identical |
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