Alstom Metropolis C751A
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 Front of an Alstom Metropolis C751A at Sengkang Depot. Trains running on this line are driverless and fully automated. | |
Interior of a Alstom Metropolis C751A before refurbishment Interior of a refurbished Alstom Metropolis C751A. | |
| In service | 20 June 2003 – Present |
| Manufacturer | Alstom |
| Built at | Valenciennes, France |
| Family name | Metropolis |
| Constructed | 2000 – 2003 |
| Entered service | 20 June 2003 |
| Refurbished | CRRC Nanjing Puzhen 2019 – 2026[1] |
| Number built | 150 Vehicles (25 Sets, 14 Refurbished) |
| Number in service | 138 Vehicles (23 Sets, 2 Under Refurbishment) |
| Formation | 6 per trainset DT–Mp–Mi+Mi–Mp–DT |
| Fleet numbers | 7001/7002 – 7049/7050 |
| Capacity | 1920 passengers (298 seats) |
| Operators | SBS Transit Ltd (ComfortDelGro Corporation) |
| Depots | Sengkang |
| Lines served | NEL North East line |
| Specifications | |
| Car body construction | Welded aluminium |
| Train length | 138.5 m (454 ft 4+3⁄4 in) |
| Car length |
|
| Width | 3.2 m (10 ft 6 in) |
| Height | 3.7 m (12 ft 1+5⁄8 in) |
| Floor height | 1,100 mm (3 ft 7+1⁄4 in) |
| Doors | 1,450 mm (57+1⁄8 in), 8 per car, 4 per side |
| Wheel diameter | 850–775 mm (33.5–30.5 in)[2] |
| Wheelbase | 2.5 m (8 ft 2 in)[2] |
| Maximum speed |
|
| Weight | 230 t (230 long tons; 250 short tons) (6 passengers/1 m2 or 11 sq ft) |
| Axle load | 16 t (16 long tons; 18 short tons)[2] |
| Traction system | Alstom ONIX 1500 IGBT–VVVF |
| Traction motors | 16 × Alstom 4LCA 2138[3] 150 kW (200 hp) asynchronous 3-phase AC |
| Power output | 2.4 MW (3,200 hp) |
| Acceleration | 1.1 m/s2 (2.5 mph/s) |
| Deceleration | 1.3 m/s2 (2.9 mph/s) (Emergency) |
| Electric system(s) | 1,500 V DC overhead catenary |
| Current collector(s) | Pantograph |
| UIC classification | 2′2′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+2′2′ |
| Bogies | Alstom B25[2] |
| Braking system(s) | Regenerative and pneumatic |
| Safety system(s) | Alstom URBALIS 300 moving block CBTC ATC under ATO GoA 4 (UTO), with subsystems of ATP, Iconis ATS and Smartlock CBI[4][5] |
| Coupling system | Scharfenberg coupler |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
The Alstom Metropolis C751A is the first generation of communications-based train control (CBTC) electric multiple unit rolling stock in operation on the North East line (NEL) of Singapore's Mass Rapid Transit (MRT) system since 2003. 25 trainsets were purchased for the line.
- ^ "SBS AR22 Review Section v29 Full Report" (PDF).
- ^ a b c d "Alstom Bogies Catalogue 2015 – English" (PDF). Alstom. Archived from the original (PDF) on 21 September 2015. Retrieved 4 November 2023.
- ^ "Alstom Motors Catalogue 2015 – English" (PDF). Alstom. Archived from the original (PDF) on 27 June 2018. Retrieved 4 November 2023.
- ^ "Singapore Northeast Line: will soon be the largest, fully automatic metro system in the world" (PDF). pp. 4 to 8. Archived (PDF) from the original on 15 June 2020. Retrieved 16 June 2020.
- ^ "URBALIS Evolution: Controlling the Performance" (PDF). p. 4. Archived (PDF) from the original on 15 June 2020. Retrieved 16 June 2020.