| Siemens C651 | |||
|---|---|---|---|
 A Siemens C651 train approaching Paya Lebar MRT station.
| |||
| In service | 2 May 1995 - 30 September 2024 | ||
| Manufacturer | Siemens AG | ||
| Assembly | Vienna, Austria | ||
| Constructed | 1993–1994 | ||
| Refurbished | Singapore Rail Engineering 2016–2018 | ||
| Number built | 114 Vehicles (19 Trainsets) | ||
| Formation | 6 per trainset DT–M1–M2–M2–M1–DT | ||
| Fleet numbers | 201/202 ~ 237/238 | ||
| Capacity | 1920 passengers 372/336 seats | ||
| Operators | SMRT Trains (SMRT Corporation) | ||
| Depots | Bishan Changi Tuas Ulu Pandan East Coast (Future) | ||
| Lines served | EWL East West Line NSL North South Line | ||
| Specifications | |||
| Car body construction | Aluminium-alloy double-skinned construction | ||
| Car length | 23 m (75 ft 5+1⁄2 in) | ||
| Width | 3.2 m (10 ft 6 in) | ||
| Height | 3.7 m (12 ft 1+5⁄8 in) | ||
| Doors | 1,450 mm (57+1⁄16 in), 8 per car | ||
| Maximum speed | 90 km/h (56 mph) (design) 80 km/h (50 mph) (service) | ||
| Weight | 35 t (34 long tons; 39 short tons) (unladen) 53.8 t (53.0 long tons; 59.3 short tons) (laden) | ||
| Traction system | Current: GTO–VVVF PWM (Siemens) Replacement: IGBT–VVVF (Toshiba)[1] | ||
| Traction motors | Current: Three-phase AC induction motor enclosed-ventilated lateral drive 140 kW (190 hp) (Siemens) Replacement: Permanent Magnet Synchronous Motor (Toshiba) | ||
| Power output | 2.24 MW (3,000 hp) | ||
| Transmission | 5.94 : 1 Gear Ratio | ||
| Acceleration | 1.0 m/s (3.3 ft/s) | ||
| Auxiliaries | 110 V DC | ||
| Electric system(s) | 750 V DC third rail | ||
| Current collector(s) | Collector Shoe | ||
| UIC classification | 2'2' + Bo'Bo' + Bo'Bo' + Bo'Bo' + Bo'Bo' + 2'2' | ||
| Braking system(s) | 1st service brake: Self-excited, mixed service and resistor brake 2nd service brake: Pneumatic compressed air wheel tyre block brake Parking brake: Compressed air pressure spring-loaded brake | ||
| Safety system(s) | Current: Thales SelTrac® Moving Block Communications-based train control (CBTC) ATC with subsystems of ATO GOA 3 (DTO), ATP, NetTrac ATS, CBI[2] Past: Westinghouse Brake and Signal Company Ltd fixed block ATC with subsystems of ATO GOA 2 (STO), ATP, ATS | ||
| Track gauge | 1,435 mm (4 ft 8 1⁄2 in) standard gauge | ||
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The Siemens C651, also known as Contract 651 or SIE C651, was the second generation Electric multiple unit rolling stock in operation on the North South and East West Lines of Singapore's Mass Rapid Transit (MRT) system. A total of 114 cars consisting of 19 train-sets were purchased in 1993 and introduced from 1994 onwards and were built by Siemens in Austria.
- ↑ 1.0 1.1 Hoe, Pei Shan (5 July 2013). "Older MRT trains to get new motors from Japan". Straits Times. Retrieved 13 May 2015.
- ↑ Fang, Joy (2 February 2012). "Coming: $600m upgrade for MRT system/New train measures a 'catch-up'". My Paper. pp. A2, A6. Archived from the original on 18 May 2015. Retrieved 13 May 2015.