BS 519:1950

Specification for tractive armature direct current neutral-polar line relays for railway signalling

BSI Group , 07/14/1950

$80.00 $160.02
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.Cross References:BS 442

Product Information

Published: 07/14/1950
Pages: 14
ISBN: 0580008061
File Size: 1 file , 340 KB
Language: English
Note: This product is unavailable in Ukraine, Russia, Belarus

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