NR/SP/ELP/21026
Specification for 400/415 V and 440 V changeover switchboards for d.c. traction substations
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| Organization: | NR |
| Publication Date: | 1 December 2005 |
| Status: | active |
| Page Count: | 32 |
scope:
This specification applies to new 400 V and 440 V changeover switchboards installed on the D.C. Electrified Lines. The specification does not include switchboards with bypass switching facilities.
Purpose
This specification states the requirements for the design, manufacture and testing of low voltage changeover switchboards used in d.c. traction substations for the control and distribution of 400 V or 440 V, 50 Hz auxiliary supplies for substation domestic and for signalling and other trackside purposes.
The document is to be read in conjunction with the relevant procurement specification.
Document History
NR/SP/ELP/21026
December 1, 2005
Specification for 400/415 V and 440 V changeover switchboards for d.c. traction substations
This specification applies to new 400 V and 440 V changeover switchboards installed on the D.C. Electrified Lines. The specification does not include switchboards with bypass switching facilities....
March 1, 1998
415 V & 440 V Changeover Switchboards for DC Traction Substations
This specification applies to new 415 V and 440 V changeover switchboards installed on the D.C. Electrified Lines. The specification does not include switchboards with bypass switching facilities....