Design
The steel body design was based directly on the earlier 253 series EMUs built for Narita Express services, although the window height was increased by 100 mm. It is the first JR East limited express rolling stock to feature VVVF Insulated Gate Bipolar Transistor traction control system, based on the results of trials with the prototype 209 series commuter EMUs.
DT56E bogies are used on motored cars, and TR241E bogies are used on trailer cars.
Read more about this topic: 255 Series
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