BS 2950:1958
Current
The latest, up-to-date edition.
Specification. Cartridge fuse-links for telecommunication and light electrical apparatus
Hardcopy , PDF
English
31-01-1958
Cooperating organizations
Foreword
SECTION ONE: GENERAL
1 Scope
2 Definitions
SECTION TWO: SPECIFICATION
3 Dimensions
4 End-caps
5 Preferred rated currents and voltages
6 Minimum life
7 Blowing current
8 Breaking-capacity
9 Marking
SECTION THREE: TESTS
10 Performance tests
11 Criteria of failure
APPENDIX A
Recommended method for comparing the surge-resisting
characteristics of small telecommunication cartridge
fuse-links
Non-rewireable cartridge fuse-links. Dimensions, rated voltage related to rated current, breaking-capacity test. Fuse-links of two grades, which blow at two or three times their rated currents.
| Committee |
PEL/32
|
| DevelopmentNote |
Reviewed and confirmed by BSI, July 2013. (06/2013)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This British Standard relates to non-rewirable cartridge fuse-links for use in conjunction with telecommunication or light electrical equipment where the prospective fault current of the circuit will not exceed ten times the rated current of the fuse-link.
Fuse-links of two grades, A and B, which will blow at two or three times their rated currents respectively, are specified for rated currents of 250 ma and below.
The standard does not specify surge resistin characteristics, but for the guidance of those who wish to make tests of these characteristics, information on a suitable test is given in Appendix A.
| Standards | Relationship |
| AS C342-1965 | Identical |
| UNE 9230:1992 | Identical |
| UNE 21303:1983 | Identical |
| UNE-EN 60216-5:2008 | Identical |
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