BS 519:1950
Withdrawn
Specification for tractive armature direct current neutral-polar line relays for railway signalling
Hardcopy , PDF
English
07-14-1950
07-07-2014
Relays having up to four neutral contact-arms and up to four polar contact-arms. Construction (overall dimensions, electrical tests, performance characteristics); arrangement, marking of terminals.
| Committee |
GEL/9
|
| DevelopmentNote |
Inactive for the new design. (01/2012)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Standards | Relationship |
| UNE-EN ISO 1872-1:2001 | Identical |
| BS 442:1950 | Specification for terminals for electrical apparatus for railway signalling purposes |
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