I.S. EN 50123-2:2003
Current
RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - D.C. CIRCUIT BREAKERS
Hardcopy , PDF
English
01-01-2003
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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
Covers requirements for d.c. circuit breakers for use in fixed installations of traction systems.
| DocumentType |
Standard
|
| Pages |
56
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| NEN EN 50123-2 : 2003 | Identical |
| NF EN 50123-2 : 2004 | Identical |
| BS EN 50123-2:2003 | Identical |
| NBN EN 50123-2 : 2003 | Identical |
| EN 50123-2:2003 | Identical |
| DIN EN 50123-2:2003-11 | Identical |
| UNE-EN 50123-2:2004 | Identical |
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