Design
The fleet of 46 locomotives was built by a consortium of Brush Traction and ABB Traction. Parts construction was sub-contracted, with final construction and commissioning being undertaken at Brush's erecting shops at Loughborough between 1993 and 1996 (First unit was produced from 1992, and was finished in April 1993).
The bodyshells, shared with the Class 60 diesel locomotives but with a modified front end, were fabricated by Procor (UK) of Horbury and delivered pre-painted in the then-standard triple grey livery. Propulsion is provided by two ABB traction converters using GTO devices, with control via an ABB MICAS-S2. Maximum power is 5 MW (6,700 hp) on 25 kV or 4 MW (5,400 hp) on 750 V; with a tractive effort of 360 kN.
The locomotive is fitted with both rheostatic and regenerative braking, in addition to standard westinghouse air brake equipment. An electrical train bus is fitted to enable two locomotives to work in multiple formation, either double-heading or push-pull train with a Driving Van Trailer or DBSO.
To eliminate the possibility of locomotive failure in the Channel Tunnel, most of the electrical systems are duplicated.
Read more about this topic: British Rail Class 92
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