The British Rail Class 357 "Electrostar" alternating current (AC) electric multiple units (EMU) were built by ADtranz, Derby (now owned by Bombardier Transportation) from 1999 to 2003 at a cost of approximately £350 million.[4][5] The Electrostar family also includes Classes 375, 376, 377, 378, 379 and 387, and is the most numerous type of EMU built in the post-privatisation period of Britain's railways. These units were built in two batches for LTS Rail, since rebranded as c2c.
Quick facts British Rail Class 357 Electrostar, In service ...
British Rail Class 357
Electrostar |
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 A Class 357 at Southend East in 2020 |
 The interior of a Class 357/3 in 2020 |
| In service | 2000–present |
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| Manufacturer | |
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| Built at | Derby Litchurch Lane Works |
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| Family name | Electrostar |
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| Replaced | |
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| Constructed | 1999–2002 |
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| Number built | 74 |
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| Formation | - 4 cars per unit:
- DMSO-MSO-PTSO-DMSO
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| Capacity | - 357/0 and /2: 282 seats
- 357/3: 222 seats
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| Owners | - 357/0: Porterbrook
- 357/2 & /3: Angel Trains[1]
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| Operators | c2c |
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| Car length | - DMSO: 20.40 m (66 ft 11 in)
- MSO/PTSO: 19.99 m (65 ft 7 in)
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| Width | 2.80 m (9 ft 2 in) |
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| Height | 3.78 m (12 ft 5 in) |
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| Maximum speed | 100 mph (160 km/h) |
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| Weight | - DMSO vehs.: 40.7 t (40.1 LT; 44.9 ST)
- MSO vehs.: 36.7 t (36.1 LT; 40.5 ST)
- PTSO vehs.: 39.5 t (38.9 LT; 43.5 ST)
- Unit total: 157.6 t (155.1 LT; 173.7 ST)[1]
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| Traction motors | 6 × three-phase AC |
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| Power output | 1,500 kW (2,011 hp)[1] |
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| Electric system(s) | 25 kV 50 Hz AC Overhead lines |
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| Current collector(s) | Pantograph |
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| Bogies | - Powered: Adtranz P3-25
- Unpowered: Adtranz T3-25[1]
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| Coupling system | Tightlock[2] |
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| Track gauge | 1,435 mm (4 ft 8 1⁄2 in) standard gauge |
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| Sourced from [3] unless otherwise noted. |
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