Alstom Metropolis C830C

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Not to be confused with Alstom Metropolis C830.
Alstom Metropolis C830C
阿尔斯通 C830C
A C830C train in Kim Chuan Depot.
In service 26 June 2015 - Current
Manufacturer Alstom
Built at Valenciennes, France
Family name Metropolis
Constructed 2014 - 2015
Number built Passenger service: 72 carriages (24 trains)
Formation 3 per trainset
Mc1 - T - Mc2
Capacity 931 passengers
Operator SMRT
Depot(s) Kim Chuan
Line(s) served Circle Line
Car body
Welded aluminium
Car length 23.65 m (MC)
22.8 (T)
Width 3.2 m
Height 3.7 m
Doors 1.45 m, 8 per car
Maximum speed 90 km/h (Design)
78 km/h (Service)
Weight 35000 kg
Acceleration 1.1 m/s2
Deceleration 1.3 m/s2 (Emergency)
Traction system IGBT-VVVF
(Shanghai Alstom Transport Electric Equipment OPTONIX)
Power output 1.66 MW
Power supply Three-phase AC inverter motors
400kW 400V 231A
Electric system(s) 750 V DC 3rd rail
Safety system(s) ATC (CBTC)
Gauge 1,435 mm Standard gauge

Alstom Metropolis C830C is the third generation of communication-based train control (CBTC) rolling stock to be used in Singapore’s Mass Rapid Transit (MRT) lines along with Alstom Metropolis C751C.


In the turnkey contract C830C, 5 tenderers were shortlisted - Alstom, Hyundai Rotem, Kawasaki Heavy Industries, Construcciones Y Auxiliar De Ferrocarriles and CSR Zhuzhou. [1]

On 1 February 2012, the Land Transport Authority (LTA) has awarded the contract for the procurement of the additional Circle Line trains to Alstom at a value of S$134 million. [2]

These additional trains will increase the Circle Line's peak capacity by about 60 per cent.


C830C Fleet Info


The C830C trains run on an automated system (without attendant), relying on "continuous two-way digital communication" between each controlled train and the control centre that controls the entire line.



The C830C trains may include several features that are seen in the C830 and C951 trains.

Features include:

  • an ergonomic seat profile;
  • red reserved seats for clearer separation between normal and reserved seats;
  • additional row of straphangers for steadier grip;

Dynamic Route Map Display (DRMD)

These dynamic route map display panels will provide commuters for their journey status, route information, as well as which side the train doors will open on.

Platform Gap Width Reduction (PGWR)

Every train door has got a rubber frangible gap that protrudes out which will narrow the platform gap, preventing passenger accidents due to the platform gap.

Trainset numbers

Individual cars are given a four-digit serial number by the rail operator, SMRT Corporation, numbers ranging from 841x to 864x, whereby "x" depends on the carriage type.

  • The first digit is always an 8.
  • The other three digits is the train identification number. A full length train of 3 cars will have the 3 different consecutive serial numbers. The second and third digits are used to identify the train set, while the last digit denotes the carriage of the train, ending with 1, 2 and 3 in a full length train.
  • For example, trainset 850 would consist of 3 cars with serial number 8501, 8502, 8503.


  1. Land Transport Authority Schedule of Tenders Receieved
  2. LTA and SMRT award contracts for New Trains and Re-signalling project

Related Links

Mass Rapid Transit [ VTE ]
Overview HistoryStationsFare and TicketingFacilitiesSafetySecurity
Lines Current North South LineEast West LineNorth East LineCircle LineDowntown Line
Future Thomson–East Coast LineJurong Region LineCross Island Line
Rolling Stocks Current Kawasaki Heavy Industries C151Kawasaki Heavy Industries & CSR Qingdao Sifang C151AKawasaki Heavy Industries & CSR Qingdao Sifang C151BKawasaki Heavy Industries & CRRC Qingdao Sifang C151CSiemens C651Alstom Metropolis C751AKawasaki Heavy Industries & Nippon Sharyo C751BAlstom Metropolis C751CAlstom Metropolis C830Alstom Metropolis C830CBombardier MOVIA C951
Future Alstom Metropolis C851E • CJ151 • Bombardier MOVIA CR151 • Kawasaki Heavy Industries & CRRC Qingdao Sifang CT251
Depots Current BishanChangiGali BatuKim ChuanSengkangUlu PandanTuas
Future MandaiEast Coast