Sotetsu 20000 series

Sotetsu 20000 and 21000 series
Sotetsu 20000 and 21000 series
	Set 20102 in May 2021
In service	February 2018–present
Manufacturer	Hitachi Rail
Built at	Kudamatsu, Yamaguchi
Family name	A-train
Replaced	7000 series
Constructed	2017–present
Entered service	11 February 2018 (20000 series); 6 September 2021 (21000 series);
Number under construction	21000 series: 8 vehicles (1 set);
Number built	20000 series: 70 vehicles (7 sets); 21000 series: 56 vehicles (7 sets);
Number in service	20000 series: 70 vehicles (7 sets); 21000 series: 48 vehicles (6 sets);
Formation	10 cars per trainset (20000 series); 8 cars per trainset (21000 series);
Fleet numbers	20101–20107 (10-car sets); 21101–21107, 21009 (8-car sets);
Operators	Sotetsu
Lines served	Sotetsu Main Line; Sotetsu Izumino Line; Sōtetsu Shin-Yokohama Line; SH Tokyu Shin-Yokohama Line; MG Tokyu Meguro Line; TY Tokyu Toyoko Line; N Tokyo Metro Namboku Line; SR Saitama Rapid Railway Line; I Toei Mita Line; F Tokyo Metro Fukutoshin Line;
Specifications
Car body construction	Aluminium alloy
Car length	20.47 m (67 ft 2 in) (end cars); 20 m (65 ft 7 in) (intermediate cars);
Width	2,787 mm (9 ft 1.7 in)
Height	4,065 mm (13 ft 4.0 in)
Floor height	1.13 m (3 ft 8 in)
Doors	4 pairs per side
Maximum speed	120 km/h (75 mph) (design speed)
Traction system	SiC-SBD hybrid 2-level Si-IGBT–VVVF (Hitachi), type VFI-HR1421G
Traction motors	190 kW (250 hp) HS32536-04RB fully-enclosed 3-phase AC induction motor (Hitachi)
Electric system(s)	1,500 V DC (nominal) from overhead catenary
Current collector(s)	Toyo Denki PT-7103G single-arm pantograph
Track gauge	1,067 mm (3 ft 6 in)

The Sotetsu 20000 series (相鉄20000系) is an electric multiple unit (EMU) commuter train type operated by the private railway operator Sagami Railway ("Sotetsu") in Japan in the Tokyo area since February 2018. Ultimately intended to be used on through-running services between Sotetsu and Tokyu Corporation lines commencing in late fiscal 2022, the first train entered revenue service on 11 February 2018, replacing a 7000 series set.

Eight-car sets designated as 21000 series were announced in April 2021, the first of which entered service in September 2021.

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