203 series

203 series
203 series
	203 series Joban Line Set 67 on October 2009
In service	1982–2011 (Japan); 2011–present (Indonesia); 2012–present (Philippines)
Manufacturer	Kawasaki Heavy Industries, Kinki Sharyo, Tokyu Car Corporation
Replaced	103-1000 series (Japan); PNR 7A-2000 Class (Philippines)
Constructed	1982–1986
Entered service	November 1982
Refurbished	2020–2023 (PNR)
Scrapped	2010–
Number built	170 vehicles (17 sets)
Number in service	40 vehicles (4 sets) (KAI Commuter); 25 vehicles (5 sets, one head car each set) (PNR)
Number scrapped	80 vehicles (8 sets) (JR East); 10 vehicles (all intermediate cars) (KAI Commuter)
Successor	E233-2000 series (Japan); PNR 8300 Class (Philippines);
Formation	10 cars per trainset (JNR, JR); 8 and 12 cars per trainset (KAI Commuter); 5 cars per trainset (PNR)
Fleet numbers	71–78, 61–69 (JNR) ; 51–58, 61–69 (JR East) ; 2, 106, 108, 109 (KAI Commuter) ; 01–08 (PNR)
Capacity	528
Operators	JNR (1982–1987); JR East (1987–2011); KAI Commuter (2011–) ; PNR (2012–)
Depots	Matsudo (JR East, JNR); Bukit Duri, Bogor (KAI Commuter); Tutuban (PNR)
Lines served	Japan:; JR East Joban Line; Tokyo Metro Chiyoda Line; KAI Commuter:; KAI Commuter Bogor Line; KAI Commuter Cikarang Loop Line (seasonal); KAI Commuter Rangkasbitung Line; KAI Commuter Tangerang Line; PNR:; PNR Metro South Commuter Line (2012–March 2024); Inter-provincial line (2023)
Specifications
Car body construction	Aluminium
Car length	20,000 mm (65 ft 7 in)
Width	2,800 mm (9 ft 2 in)
Doors	4 pairs per side
Maximum speed	100 km/h (62 mph)
Traction system	Mitsubishi / Toshiba Chopper
Traction motors	MT60 × 24
Power output	150 kW (201 hp) (motors); 256 kW (343 hp) (generator)
Acceleration	3.3 km/(h⋅s) (2.1 mph/s)
Deceleration	3.3 km/(h⋅s) (2.1 mph/s)
Power supply	440 V AC generator (PNR)
HVAC	AU75G (JNR, JR East, KRL, and PNR); ACI-4202 (PNR; 2 sets)
Electric system(s)	1,500 V DC overhead catenary (JNR, JR East and KAI Commuter)
Current collector(s)	PS21 pantograph (JNR, JR East and KAI Commuter)
Bogies	DT46A (motor), TR234 (trailer)
Safety system(s)	ATS-Sn, ATC-10 (JNR, JR East)
Coupling system	Shibata and knuckle
Track gauge	1,067 mm (3 ft 6 in)

The 203 series (203系) is an electric multiple unit (EMU) train type operated in Japan between 1982 and 2011 by Japanese National Railways (JNR) and later by East Japan Railway Company (JR East), and currently operated by KAI Commuter and Philippine National Railways.

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