NR/L3/SIG/11303/2P35
Signalling Installation Track Circuits: Aster "U" & SF15 Types
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| Organization: | NR |
| Publication Date: | 4 September 2010 |
| Status: | active |
| Page Count: | 8 |
scope:
General
The SF15 is the later version with redesigned transmitter and receiver, but otherwise the two types are similar. These track circuit types are only for use on non-electrified lines in places where there is no risk of current leakage from other sources. These track circuits are not proven for use with steel sleepers, and should sleepers within a tuned zone be replaced with steel types TI21 type track circuits should be fitted.
Document History
NR/L3/SIG/11303/2P35
September 4, 2010
Signalling Installation Track Circuits: Aster "U" & SF15 Types
General
The SF15 is the later version with redesigned transmitter and receiver, but otherwise the two types are similar. These track circuit types are only for use on non-electrified lines in places...
References
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