BS 519 – Specification for tractive armature direct current neutral-polar line relays for railway signalling
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 Details
Published:
07/14/1950
ISBN(s):
0580008061
Number of Pages:
16
File Size:
1 file , 340 KB
Product Code(s):
00021123, 00021123, 00021123
Note:
This product is unavailable in Ukraine, Russia, Belarus
