BS 561:1951
Specification for alternating-current line relays double-element 3-position (for railway signalling)
BSI Group , 06/15/1951
$80.00
$160.02
2-element, 3-position relays for railway signalling circuits up to 250 volts. Mounting, mechanical clearances, bearings, coils, contact capacity, contact pressure, contact resistance, flexible connections, terminals and terminal markings, insulation tests, pick-up and drop away values, labelling and marking, finish, pointer scale.Cross References:BS 442
Product Information
Published:
06/15/1951
Pages:
12
ISBN:
0580006670
File Size:
1 file , 360 KB
Language:
English
Note:
This product is unavailable in Ukraine, Russia, Belarus
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