225 series

225 series
225 series
	The first 225-0 series unit delivered, January 2019
Manufacturer	Kawasaki Heavy Industries, Kinki Sharyo
Replaced	103 series, 113 series, 117 series, 205 series, 221 series
Constructed	2010–2012, 2016–2017, 2020–
Entered service	December 2010
Refurbished	2012
Number under construction	144 vehicles on order
Number built	480 vehicles (as of 2023)
Number in service	472 vehicles (as for 2023)
Formation	8/6/4 cars per trainset
Operators	JR-West
Depots	Aboshi, Hineno, Miyahara
Lines served	A Tōkaidō Main Line; A Sanyō Main Line; A Hokuriku Main Line; A Akō Line; B Kosei Line; O Osaka Loop Line; R Hanwa Line; S Kansai Airport Line; W Kisei Main Line; G Fukuchiyama Line;
Specifications
Car body construction	Stainless steel
Car length	19.57 m (64 ft 2 in) (end cars); 19.5 m (64 ft 0 in) (intermediate cars)
Width	2,950 mm (9 ft 8 in)
Floor height	1,120 mm (3 ft 8 in)
Doors	2 per side (225-700 series); 3 pairs per side (all other subseries);
Maximum speed	130 km/h (81 mph) (225-0/100/700 series); 120 km/h (75 mph) (225-5000/5100/6000 series)
Traction system	Variable frequency (2-level IGBT)
Acceleration	2.5 km/(h⋅s) (1.55 mph/s)
Deceleration	Normal:4.6 km/(h⋅s) (2.86 mph/s); Emergency: 5.2 km/(h⋅s) (3.23 mph/s)
Electric system(s)	1,500 V DC Overhead
Current collector(s)	WPS28C single-arm pantograph (225-0/5000/6000 series); WPS28E single-arm pantograph (225-100/700/5100 series)
Bogies	WDT63 (powered), WTR246B/WTR246C (trailer)(225-0/6000 series); WDT63A (powered), WTR246D/WTR246E (trailer)(225-5000 series)
Braking system(s)	Regenerative brake, electronically controlled pneumatic brakes, snow-resistant brake, parking brake
Safety system(s)	ATS-SW2, ATS-P3; Dead man's switch (225-5100 series)
Multiple working	221/223 series
Seating	2+2 transverse
Track gauge	1,067 mm (3 ft 6 in)

The 225 series (225系, 225-kei) is a DC electric multiple unit (EMU) train type operated by West Japan Railway Company (JR-West) on suburban services in the "Keihanshin" Kyoto-Osaka-Kobe area since December 2010.