EA203 series

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For the electric multiple unit manufactured in Japan that also operates in indonesia, see 203 series.
EA203 series
EA203 series arrived at Manggarai Station.
In service2017–present
ManufacturerPT Industri Kereta Api
Bombardier Transportation
Constructed2017
Entered service26 December 2017
Number built30 units (10 sets)
Number in service60 units (10 sets)
PredecessorEA202 series
Formation6 carriages per set
Fleet numbersK1 1 17 07-K1 1 17 66[1]
Capacity272 seats
Operators
DepotsManggarai (MRI)
Lines served Airport Railink Soekarno-Hatta
Specifications
Car body constructionStainless steel
Car length20 m (65 ft 7 in)
Width2.99 m (9 ft 10 in)
Height3.76 m (12 ft 4 in) (top of AC)
Doors2 pocket doors per side
Maximum speed100 km/h (62 mph)[2]
Weight35,500–39,000 kg (78,300–86,000 lb)
Traction systemBombardier MITRAC IGBT–VVVF
Acceleration0.8 m/s²[3]
Deceleration0.8 m/s² (normal)
1.0 m/s² (emergency)
AuxiliariesStatic Inverter (SIV)
HVACICOND
Electric system(s)1,500 V DC overhead lines
Current collector(s)Pantograph
BogiesBolsterless Bogie
Type: MB-514 (motor), TB-914 (trailer)
Braking system(s)Electro-pneumatic, regenerative
Safety system(s)TMS and Deadman Control
Coupling systemAAR/Janney coupler
Multiple workingnone
Track gauge1,067 mm (3 ft 6 in)

The EA203 series is an Electric Multiple Unit produced by Industri Kereta Api, in collaboration with Bombardier which will be used as Soekarno–Hatta Airport Rail Link express services from Manggarai Station in Jakarta to Soekarno–Hatta International Airport at Tangerang, Banten. EA203 series was purchased by PT Railink, a joint venture between PT Kereta Api Indonesia and PT Angkasa Pura II which is the operator of the airport train in Indonesia, totaling 60 units divided into 10 series with 6 car formations.[4] EA203 series was sent from its factory in Madiun to Jakarta in stages starting in August 2017.[5]

Design and technology[edit]

Design[edit]

EA203 series has an aerodynamic exterior design with a shape like express trains in general. EA203 series is colored white with orange and blue stripes, which match the corporate identity of Railink and Kereta Api Indonesia (KAI). Around the passenger window, it is given a black color like the latest KAI executive trains which gives it the impression of elegant luxury. On cabins, there are three matrix objective display units light emitting diode which display the route of the train's journey, while on the middle train there are two display units for destination.[6]

The interior is predominantly white in color, with passenger seats made of synthetic leather colored gray and blackish gray. The passenger seats on this EMU cannot be rotated, and have a configuration like the latest Indonesian railway economy trains, where seats number 1-5 face the direction of the train's journey downstream while numbers 6-10 face the opposite direction. There are also special seats for persons with disabilities that are sideways to the direction of the train, such as on KRL Commuterline, but with the same seat material as the other seats. In each train there is a luggage rack and a toilet with sitting toilets and a fireplace. In addition, there are also four television screens at each end of the row of chairs, which are used to show entertainment to EMU Railink users.[6]

Technology[edit]

EA203 series uses the IGBT-VVVF traction system under the name MITRAC produced by Bombardier Transportation which is one of the most advanced traction propulsion systems ever produced by Bombardier at this time.[7] EA203 series uses Train Information Monitoring System (TIMS) which is also used on other INKA-made AC EMUs. EA203 series uses air-spring bogie (bolsterless) with the TB-914 type on the train driver's cabin and the MB-514 on the middle train, which is a development of the EA201 series and Inka-Hitachi EMU, which also has a similar shape to the TR235D/TR241B/TR246E and DT50D bogie on the 203 series and 205 series which is a EMUs produced by a Japanese manufacturer. This type of bogie is known as a bogie with minimal shock. In addition, EA203 series is also more soundproof than other INKA EMU production. This is due to the use of accordion-type connection covers which are also used on the ex-Japanese EMU belonging to Kereta Commuter Indonesia.[8]

Formation[edit]

List of formation of EA203 series[1]
  Designation
Numbering 1 (TC) 2 (M1) 3 (M2) 4 (M1) 5 (M2) 6 (TC)
TS1 K1 1 17 07 K1 1 17 08 K1 1 17 09 K1 1 17 10 K1 1 17 11 K1 1 17 12
TS2 K1 1 17 13 K1 1 17 14 K1 1 17 15 K1 1 17 16 K1 1 17 17 K1 1 17 18
TS3 K1 1 17 19 K1 1 17 20 K1 1 17 21 K1 1 17 22 K1 1 17 23 K1 1 17 24
TS4 K1 1 17 25 K1 1 17 26 K1 1 17 27 K1 1 17 28 K1 1 17 29 K1 1 17 30
TS5 K1 1 17 31 K1 1 17 32 K1 1 17 33 K1 1 17 34 K1 1 17 35 K1 1 17 36
TS6 K1 1 17 37 K1 1 17 38 K1 1 17 39 K1 1 17 40 K1 1 17 41 K1 1 17 42
TS7 K1 1 17 43 K1 1 17 44 K1 1 17 45 K1 1 17 46 K1 1 17 47 K1 1 17 48
TS8 K1 1 17 49 K1 1 17 50 K1 1 17 51 K1 1 17 52 K1 1 17 53 K1 1 17 54
TS9 K1 1 17 55 K1 1 17 56 K1 1 17 57 K1 1 17 58 K1 1 17 59 K1 1 17 60
TS10 K1 1 17 61 K1 1 17 62 K1 1 17 63 K1 1 17 64 K1 1 17 65 K1 1 17 66

Gallery[edit]

  • EA203 series at Duri Station.
    EA203 series at Duri Station.
  • EA203 series leaving BNI City Station to change directions at Manggarai Station.
    EA203 series leaving BNI City Station to change directions at Manggarai Station.
  • EA203 series during testing at Manggarai Station
    EA203 series during testing at Manggarai Station
  • Interior of EA203 series
    Interior of EA203 series
  • Plate on the EA203 series stating the EMU facility class number (not the service class type), maximum weight, and train code
    Plate on the EA203 series stating the EMU facility class number (not the service class type), maximum weight, and train code

References[edit]

  1. ^ a b "Database KRL - Gerakan Muda Penggemar Kereta Api".
  2. ^ "Produk INKA - Kereta Rel Listrik (KRL)". Archived from the original on 12 December 2021.
  3. ^ "GANGGUAN OPERASI KA BANDARA KA 7160 (TS-3)" (PDF). Archived from the original (PDF) on 5 April 2023. Retrieved 23 April 2022.
  4. ^ "Penampakan Rangkaian Kereta Bandara Soekarno-Hatta di Manggarai". 15 August 2017.
  5. ^ "Hore! Kereta Bandara Soekarno-Hatta Tiba di Stasiun Manggarai". detik.com. 15 August 2017.
  6. ^ a b "Beginilah Tampak Rangkaian KRL Bandara Soekarno Hatta". Archived from the original on 18 August 2017.
  7. ^ "Bombardier to provide Mitrac propulsion system for Jakarta's new trainsets". Railway Technology. 27 April 2016.
  8. ^ "Jakarta airport train order". Railway Gazette International. 27 April 2016. Archived from the original on 18 October 2020. Retrieved 14 October 2020.(registration required)
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