Tobu 70000 series

Tobu 70000 series
Tobu 70000 series
	70000 series set 71701 in April 2021
	The interior of the 70000 series
In service	2017–present
Manufacturer	Kinki Sharyo
Built at	Higashiōsaka, Osaka
Replaced	20000 series
Constructed	2017–2020
Entered service	7 July 2017
Number built	70000 series: 126 vehicles (18 sets) (as of March 2020); 70090 series: 42 vehicles (6 sets);
Formation	7 cars per trainset; Mc1-M1-M2-M3-M2'-M1'-Mc2
Fleet numbers	70000 series: 71701-71718; 70090 series: 71791-71796;
Operators	Tobu Railway
Depots	Kasukabe
Lines served	TI Tobu Isesaki Line (70090 series only); TS Tobu Skytree Line; H Tokyo Metro Hibiya Line;
Specifications
Car body construction	Aluminium alloy
Train length	140.94 m (462 ft 5 in)
Car length	20,470 mm (67 ft 2 in) (end cars); 20,000 mm (65 ft 7 in) (intermediate cars);
Width	2,780 mm (9 ft 1 in)
Height	3,972 mm (13 ft 0.4 in)
Doors	4 pairs per side
Maximum speed	110 km/h (68 mph)
Weight	236.3 t (232.6 long tons; 260.5 short tons)
Traction system	Mitsubishi 2-level VVVF (Si-IGBT switching device)
Traction motors	TM-17 permanent-magnet synchronous motor
Power output	2,870 kW (205 kW x 2 per car)
Acceleration	3.3 km/(h⋅s) (2.1 mph/s)
Deceleration	3.7 km/(h⋅s) (2.3 mph/s) (service); 4.5 km/(h⋅s) (2.8 mph/s) (emergency);
Electric system(s)	1,500 V DC (overhead catenary)
Current collector(s)	Pantograph
Bogies	TRS-17M bolsterless
Safety system(s)	TSP-ATS, CS-ATC
Track gauge	1,067 mm (3 ft 6 in)

The Tobu 70000 series (東武70000系, Tōbu 70000-kei) is a Japanese DC electric multiple unit (EMU) commuter train type operated by the private railway operator Tobu Railway on Tobu Skytree Line and Tokyo Metro Hibiya Line inter-running services since 7 July 2017.