Alstom Metropolis C851E

Alstom Metropolis C851E
Alstom Metropolis C851E
	Two C851E trains for the North East Line.
	The interior of the NEL C851E. Apart from a few cosmetic differences, it is virtually identical to the preceding C751C.
In service	28 July 2023 – Present (NEL); 2026 (CCL);
Manufacturer	Alstom
Built at	Barcelona, Spain
Family name	Metropolis
Entered service	28 July 2023 (NEL); 2026 (CCL);
Number under construction	63 Vehicles (21 Trainsets) (CCL)
Number built	36 Vehicles (6 Sets) (NEL); 6 Vehicles (2 Sets) (CCL);
Number in service	36 Vehicles (6 Sets) (NEL);
Formation	6 per NEL trainset, 3 per CCL trainset DT–Mp–Mi+Mi–Mp–DT (NEL); Mc1–T–Mc2 (CCL);
Fleet numbers	7087/7088 – 7097/7098 (NEL); 865 – 887 (CCL);
Operators	SBS Transit Ltd (ComfortDelGro Corporation); SMRT Trains Ltd (SMRT Corporation);
Depots	Sengkang (NEL); Kim Chuan (CCL);
Lines served	NEL North East line; CCL Circle line;
Specifications
Car body construction	Welded aluminium
Train length	138.5 m (454 ft 4+3⁄4 in) (NEL); 70.1 m (229 ft 11+7⁄8 in) (CCL);
Car length	23.65 m (77 ft 7+1⁄8 in) (DT/Mc); 22.8 m (74 ft 9+5⁄8 in) (Mp/Mi/T);
Width	3.2 m (10 ft 6 in)
Height	3.7 m (12 ft 1+5⁄8 in)
Doors	1,450 mm (57+1⁄8 in), 8 per car, 4 per side
Maximum speed	100 km/h (62 mph) (NEL design); 90 km/h (56 mph) (NEL service, CCL design); 78 km/h (48 mph) (CCL service);
Traction system	Alstom OPTONIX IGBT–VVVF
Acceleration	1.1 m/s2 (3.6 ft/s2)
Deceleration	1.3 m/s2 (4.3 ft/s2) (Emergency)
Electric system(s)	NEL: 1,500 V DC overhead catenary; CCL: 750 V DC third rail;
Current collector(s)	NEL: Pantograph; CCL: Collector shoe;
UIC classification	2′2′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+2′2′ (NEL); Bo′Bo′+2′2′+Bo′Bo′ (CCL);
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
Coupling system	Scharfenberg
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge

The Alstom Metropolis C851E is the third generation electric multiple unit rolling stock introduced on the existing North East and Circle lines of Singapore's Mass Rapid Transit (MRT) system, manufactured by Alstom under Contract 851E. It consists of six North East line trains and 23 Circle line trains. The trains will be manufactured and assembled in Alstom's manufacturing facility in Barcelona, Spain and progressively shipped to Singapore from 2021 for the NEL and 2022 for the CCL. The contract, valued at S$249,854,305.00, was awarded by the Land Transport Authority during a ceremony held at Sengkang Depot. Alstom is the sole bidder for this contract. An additional 12 3-car trains will be purchased for use on the Circle line, from 2024 onwards.

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