Tobu 350 series

Tobu 300 series
A 300 series set on a Kirifuri service, October 2007
In service	July 1991–
Constructed	1990–1991
Number built	24 vehicles (5 sets)
Number in service	24 vehicles (5 sets)
Formation	4/6 cars per trainset
Operator(s)	Tobu Railway
Depot(s)	Kasukabe
Line(s) served	Tobu Skytree Line, Tobu Nikko Line
Specifications
Car body construction	Steel
Car length	20 m (65 ft 7 in)
Doors	One per side
Maximum speed	110 km/h (70 mph)
Acceleration	2.23 km/h/s
Deceleration	3.7 km/h/s (service) 5.0 km/h/s (emergency)
Electric system(s)	1,500 V DC
Current collection method	Overhead line
Track gauge	1,067 mm (3 ft 6 in)

The Tobu 300 series and 350 series (東武300系・350系, Tōbu 300/350-kei) are limited express electric multiple unit (EMU) train types operated by the private railway operator Tobu Railway in Japan. Rebuilt from former 1800 series express sets, the trains are used on limited express and charter services on the Tobu Skytree Line and Tobu Nikko Line.

As of 1 April 2011^[update], the fleet consists of two 6-car 300 series and three 4-car 350 series sets. As of April 2011^[update], the 350 series sets are used on Shimotsuke and Kirifuri limited express services, while the 300 series are reserved for additional services or charter workings.

The 6-car 300 series and 4-car 350 series sets are formed as shown below.

Car 2 is fitted with a scissors-type pantograph, and car 4 is fitted with two.

Car 2 is fitted with two scissors-type pantographs, and car 4 is fitted with two.

Passenger accommodation is monoclass with unidirectional rotating/reclining seats arranged with a seat pitch of 960 mm (38 in).

Two 300 series 6-car sets were built in 1990 from former 1800 series express EMUs displaced by the arrival of new 200 series EMUs. Three 350 series 4-car sets were similarly rebuilt in 1991, with the trains entering service from the start of the revised timetable on 21 July 1991.