BS 2618:1975

Cooperating organizations
Foreword
Specification
Section 1. General
1. Scope
2. Limitations of the specification
3. Service conditions
Section 2. Definitions and terminology
4. Equipment voltages
5. Rated air pressure
6. Equivalent continuous rating
7. Current breaking equipment
8. Categories of tests
Section 3. Conditions which electrical equipment has to
           satisfy
9. Limits of variation of supply voltage
10. Limits of variation of supply air pressure
11. Temperature-rise limits
12. Special provisions applicable to protective
     apparatus
Section 4. Tests
13. List of tests
14. Checking of mechanical operation
15. Tests for mechanical endurance
16. Test for withstanding vibration and shock
17. Air-tightness tests for pneumatic equipment
18. Leakage tests for hydraulic equipment
19. Measurement of resistance and impedance
20. Temperature-rise tests
21. Breaking and making capacity tests
22. Determination of the time/current characteristic of
     high-voltage d.c. fuses
23. Check on the setting and operation of protective
     apparatus and relays
24. Voltage withstand tests
Tables
1. Surface creepage and electrical clearance values for
     equipment in circuits operating at voltages
     exceeding 250 volts and not exceeding 3000 volts
2. Temperature-rise limits for insulated windings
3. Temperature-rise limits for various components
4. List of tests
5. Time constants
6. Overvoltages

Motive power units of 600-3000 V d.c. or high-voltage a.c. or independent power source, also for control trailers or multiple unit trains. Can be applied to d.c. rolling stock at voltages below 600 V.