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Test, service and repair of Whipp and Bourne DCTR-1B Impedance relay
for Network Rail and Network Rail Contractors
Cephos has undertaken fault - finding, modification and repair of the DCTR-1B Impedance/Undervoltage relay
in common use on the Network Rail electrification infrastructure since 1999
Following repair and/or modification, each DCTR-1B relay is issued with a test certificate determined by the test
procedure Ref: C001, Issue B, May 1999 using test set DCTR-2TE.
DCTR-1B sample test certificate
The Cephos DCTR-2TE test set enables the dynamic and static testing of the DCTR-1B Impedance/Undervoltage relay.
Used in conjunction with the Cephos CB002 simulated circuit breaker, the status and integrity of the on board trip,
alarm, track alive and fault relays are monitored.
For further information contact: technical@cephos.com
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