Railway ‘V’ Style Frame Four Foot Point Circuits With Insufficient Track Locking
This section shows two complete point circuits demonstrating insufficient track locking. Utilising an extra track circuit
V’ Style Frame Four Foot Point Circuits With Insufficient Track Locking
Abbreviations
Electrical Supplies
BX100 – Live side of single-phase 100V AC feed
NX100 – Return side of single-phase 100V AC feed
BX24 – Live side of single-phase 24V AC feed
NX24 – Return side of single-phase 24V AC feed
B24 – Positive side of 24V DC supply
N24 – Negative side of 24V DC supply