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
