Class 377 Electric Multiple Unit









Southern Trains Class 377701 EMU, Bletchley

Charles Moorhen Photo:





Night photo of Southern Trains Class 377701 Electrostar electric multiple unit (EMU) UK passenger train, with dual power systems - third rail and overhead lines pantograph - stands in Bletchley station on an April night in 2018.





239 units of the class 377 were produced by Bombardier Transportation at its Derby Works from the early 2000's onwards.





Electrostar electric multiple units work suburban services in South London, and main line commuter services to Sussex, Surrey, Kent and the South Coast, where they replaced 4Cig and 4Vep slam-door units.





Class 377 emu units also replaced - Class 319 (Thameslink), Class 421 (Mainline), Class 423 (Mainline) and Class 456 (Metro).









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