BS 2692-2:1956
Current
The latest, up-to-date edition.
Fuses for voltages exceeding 1000 V a.c. Expulsion fuses
Hardcopy , PDF
English
30-01-1956
Section one: General
1. Scope
2. Basis of specification
3. Definitions
Section two: Rating
4. Voltage-rating
5. Current-rating
6. Breaking-capacity ratings
Section three: Marking
7. Fuse-links
8. Current-limiting impedances
Section four: Service conditions
9. Service conditions
Section five: Operation in service
10. General requirements
11. Liquids
12. Time/current characteristics
13. Cut-off current characteristic (for current-limiting
fuses only)
14. Temperature-rise limits at rated current
Section six: Construction
15. Components
16. Contacts
17. Fuse-links
18. Fuse-carriers and fuse-mounts
19. Current-limiting impedances
20. General
21. Test for temperature-rise
22. High-voltage test: wet test for outdoor fuses
23. Impulse-voltage tests
24. Oil-penetration test for oil-tight cartridge fuse-
links
25. Sealing test for liquid fuse-links
26. Weatherproof test for powder-filled cartridge-fuses
for outdoor use
27. Tests for breaking-capacity
28. Criteria of failure in tests for breaking-capacity
Section eight: Routine tests
29. General
Appendices
A. Notes on terms in the standard relating to
performance of fuses
B. Selection of fuses
C. Calculation of short-circuit fault-currents
D. Measurement of prospective current and cut-off
current
E. Measurement of power-factor
F. Measurement of recovery-voltage
G. Example of data to be included in a report of type-
tests for breaking-capacity
H. Insulation co-ordination
J. Correction factors for atmospheric conditions during
impulse-voltage tests, and for air density during
wet withstand voltage tests
K. Virtual time
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