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BS 519:1950 | 14 Jul 1950 | BSI Knowledge
Standard
Withdrawn
BS 519:1950
Specification for tractive armature direct current neutral-polar line relays for railway signalling
Published:
14 Jul 1950
•
Withdrawn:
7 Jul 2014
Overview
Preview
References
History
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Product Details
Descriptors
Seatings
Pressure
Dimensions
Electric contacts
Electrical resistance
Repeaters
Railway signals
Contact resistance
Relays
Armatures
Neutral-polar relays
Clearances
Electric terminals
Direct current
Railway equipment
Switchgear
Voltage
Electrical equipment
Marking
Railway fixed equipment
Signal devices
Electrical testing
ICS Codes
29.120.70 Relays
45.040 Materials and components for railway engineering
Committee
GEL/9
International relationships
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ISBN
0 580 00806 1
Publisher
BSI