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BR904 Oct 1977

Specification for Feed Set for AC Immune DC Track Circuit using Relay to BR Specification 939A

Synopsis

This feed set is intended for use with a Track Relay to BR specification no. 939A and is suitable for ballast resistances from infinity to 3 ohms.
Read full standard
Registered
Withdrawn
Other
Issued:
01/10/1977
Published:
01/10/1977
In Force:
01/10/1977
Withdrawn:
01/07/1990

Details

Under Consultation Closed
Vehicle Assessment No
Lead Committee Control Command and Signalling - CCS
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