Tobu 50000 series

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Tobu 50000 series
Tojo Line 50000 series trains
Lineup of Tojo Line 50070/50090/50000 series trains, March 2008
In service 2005–Present
Manufacturer Hitachi
Family name Hitachi A-train
Constructed 2004–2011
Number built 390 vehicles (39 sets) (as of April 2012)
Formation 10 cars per trainset
Operator(s) Tobu Railway
Depot(s) Shinrinkōen (50000, 50070, 50090 series)
Minami-Kurihashi (50050 series)
Line(s) served Tobu Tojo Line, Tobu Skytree Line, Tobu Isesaki Line, Tokyo Metro Hanzomon Line, Tokyo Metro Yurakucho Line, Tokyo Metro Fukutoshin Line, Tokyu Den-en-toshi Line
Specifications
Car body construction Aluminium
Car length 20,000 mm (65 ft 7 in)
Width 2,800 mm (9 ft 2 in) (2,770 mm (9 ft 1 in) for 50050 series)
Doors 4 pairs per side
Maximum speed 100 km/h (Tobu tracks)
80 km/h (Tokyo Metro lines)
110 km/h (Tokyu Denentoshi Line)
Traction system VVVF
Acceleration 3.3 km/h/s
Deceleration 3.5 km/h/s (service)
4.5 km/h/s (emergency)
Electric system(s) 1,500 V DC
Current collection method Overhead lines
Safety system(s) Tobu ATS, Tokyo Metro CS-ATC (50050 series and 50070 series), Tokyu CS-ATC (50050 series only), Tokyo Metro ATO (50070 series only)
Track gauge 1,067 mm (3 ft 6 in)

The Tobu 50000 series (東武50000系 Tōbu 50000-kei?) is a commuter electric multiple unit (EMU) train type operated by the private railway operator Tobu Railway in Japan, manufactured by Hitachi to its "A-train" concept. The trains represent the first use of aluminium body cars on Tobu commuter trains. They are also the first Tobu trains to feature bilingual (Japanese and English) automated passenger announcements.

Variants

  • 50000 series: 9 x 10-car sets introduced from March 2005 on the Tobu Tojo Line
  • 50050 series: 17 x 10-car sets introduced from March 2006 on Tobu Skytree Line inter-running services
  • 50070 series: 7 x 10-car sets introduced from July 2007 on Tobu Tojo Line inter-running services
  • 50090 series: 6 x 10-car sets with variable seat configurations introduced from June 2008 on Tobu Tojo Line TJ Liner services

50000 series

The first 50000 series set, 51001, was delivered in November 2004 and entered service on the Tobu Tojo Line on 16 March 2005, followed by second-batch set 51002 in October 2005. The second set differs in having an emergency door in the front ends, and externally resembles the 50050 series used on the Tobu Skytree Line (see below).[1]

Two more sets, 51003 and 51004, were delivered during fiscal 2009.[2] 50003 was delivered to Shinrinkōen Depot in January 2010,[3] followed by 50004 in February 2010.[4] These two sets have pairs of opening windows and interiors based on sets 51061 onward.

  • Set 51001 with no front-end doors, July 2008

  • Set 51002 with front-end doors, May 2006

  • Tobu 51002 Kawagoeshi 20141002.JPG

    Set 51002 with modified side windows including opening sections, October 2014

Year built Set numbers External features Internal features
2004 51001    
2005 51002 Emergency front end doors  
2009–2010 51003–51009 Pairs of windows instead of large single pane. Redesigned seats with darker blue moquette. Conventional handrails next to doors.

Total number of vehicles built: 90 (as of October 2010)

Formation

Car No. 10 9 8 7 6 5 4 3 2 1
Designation Tc1 M1 M2 T1 M3 T2 T3 M1' M2' Tc2
Numbering 51000 52000 53000 54000 55000 56000 57000 58000 59000 50000

The 52000, 55000, and 58000 cars each have one single-arm pantograph.[1]

Interior

  • Tobu 51001 20110825.jpg

    Interior view of set 51001 showing the original seat style in August 2011

  • Tobu 50004 20100325.JPG

    Interior view of set 51004 showing newer seat style and conventional handrails at the doorways in March 2010

  • Tobu 50000 series 52009 priority seat 20151210.JPG

    The priority seat in car 52009 of set 51009 in December 2015

50050 series

Tobu 50050 series train on Isesaki Line, June 2006

The 10-car 50050 series sets were built for use on the Tobu Isesaki, Skytree and Nikko lines, and inter-running services through the Tokyo Metro Hanzomon Line to the Tokyu Den-en-toshi Line displacing the earlier 30000 series sets.[5]

The first set (51051) entered service on 18 March 2006, and as of January 2007, 10 sets were in service. While broadly based on the Tojo Line 50000 series design with emergency end doors, cars are 30 mm narrower (2,770 mm compared with 2,800 mm) to cope with reduced clearances on the subway lines.

Sets 51061 onward have different seat covers and pairs of opening windows (like the 50090 series) instead of the large single-pane sealed windows on earlier units.

Two more sets (51066 to 51067) were delivered during fiscal 2009.[2]

From October 2012, set 51052 was modified with opening panes in four side windows per car, in the same style as Tojo Line set 51075 and JR East 209 series sets.[6]

Year built Set numbers External features Internal features
2006 51051–51060 Emergency end doors  
2007–2009 51061–51067 Pairs of windows instead of large single pane. Redesigned seats with darker blue moquette. Conventional handrails next to doors.

Total number of vehicles built: 170 (as of October 2010)

Formation

Designation Tc1 M1 M2 T1 M3 T2 T3 M1' M2' Tc2
Numbering 51050 52050 53050 54050 55050 56050 57050 58050 59050 50050
Weight (t) 27.5 33.0 32.5 23.0 31.5 23.0 23.0 33.0 32.5 27.5
Capacity
(total/seated)		 137/48 152/51 151/54 151/54 151/54 151/54 151/54 151/54 152/51 137/48

The 52050, 55050, and 58050 cars each have one single-arm pantograph.[5]

Interior

  • Tobu-50050-interior.jpg

    Early batch type interior

  • Ineide-Tobu51061.jpg

    Interior of set 51061

50070 series

File:Tobu 50074.jpg
Set 51074 at Shinkiba depot, June 2009
File:Tobu 51075 Kawagoeshi 20081024.JPG
Set 51075, showing the opening side windows, October 2008

The 10-car 50070 series sets were built for use on Tobu Tojo Line and Tokyo Metro Yūrakuchō Line inter-running services, and also on Tokyo Metro Fukutoshin Line inter-running services from June 2008.[7]

The first set (51071) was delivered in early March 2007, entering revenue-earning service in July. It differs from earlier variants in having full-colour LED destination indicators, and is also equipped with ATO for subway operation.

A total of four sets were delivered by March 2008.[8]

A fifth set, 51075, was delivered in August 2008.[9] This set differs in having opening windows similar in design to those added to JR East 209 series EMUs.[6]

A further two sets, 51076 and 51077, were delivered during fiscal 2011, with 51076 delivered in November 2011,[10] and 51077 in January 2012.[11] These sets differ in having 17" LCD displays above every door, instead of the LED dot-matrix displays used on earlier sets, and also have pairs of opening side windows instead of the large single panes.

Year built Set numbers External features Internal features
2008 51071–51074 Full-colour LED destination indicators  
2008 51075 Opening sections included in windows.  
2011 51076–51077 Pairs of windows instead of large single pane. 17" LCD displays above doors.

Total number of vehicles built: 70 (as of April 2012)

Formation

Car No. 10 9 8 7 6 5 4 3 2 1
Designation Tc1 M1 M2 T1 M3 T2 T3 M1' M2' Tc2
Numbering 51070 52070 53070 54070 55070 56070 57070 58070 59070 50070
Capacity
(total/seated)		 140/48 154/51 153/54 153/54 153/54 153/54 153/54 153/54 154/51 140/48

The 52070, 55070, and 58070 cars each have one single-arm pantograph.[7]

Interior

  • Inside-Tobu50070-1.jpg

    Interior of 50070 series set

  • Tobu 50070 series 51076 LCD display 20121027.JPG

    LCD passenger display screen inside set 51076

50090 series

50090 series set on TJ Liner service, June 2008

Four 10-car 50090 sets were delivered in February and March 2008 for use on new Tobu Tojo Line limited-stop evening TJ Liner services starting from the start of the new timetable on 14 June 2008.[12] Internally, these trains feature rotating seats that can be arranged longitudinally for daytime services and in forward-facing transverse pairs for "Liner" services. These trains are also used on up "Rapid Express" services. Externally, the sets feature a blue waistline stripe running the length of each car, with a "TOJO LINE" logo.[13]

A public preview run of the 50090 series took place on 23 March 2008 from Ikebukuro to Shinrinkōen station, followed by a photographic event at Shinrinkōen depot.[14]

A fifth set, 51095, was delivered from Hitachi in September 2010,[15] followed by 51096 in November 2010, in preparation for an increase in the number of TJ Liner services from the start of the revised timetable on 5 March 2011.[16]

Year built Set numbers External features Internal features
2008 51091–51094 Pairs of windows. Full-colour LED destination indicators. Rotating seat pairs
2010 51095–51096   Conventional handrails next to doors.

Total number of vehicles built: 60 (as of November 2010)

Formation

Car No. 10 9 8 7 6 5 4 3 2 1
Designation Tc1 M1 M2 T1 M3 T2 T3 M1' M2' Tc2
Numbering 51090 52090 53090 54090 55090 56090 57090 58090 59090 50090
Weight (t) 28.2 33.9 33.4 25.5 32.3 25.5 25.5 33.9 33.4 28.2
Capacity (total/seated)
longitudinal config.		 124/42 136/45 135/48 135/48 135/48 135/48 135/48 135/48 136/45 124/42
Capacity (total/seated)
transverse config.		 118/42 131/45 129/48 129/48 129/48 129/48 129/48 129/48 131/45 118/42

The 52090, 55090, and 58090 cars each have one single-arm pantograph.[17]

Interior

The 50090 series sets have seats that can be rotated and configured in longitudinal style for regular daytime services or in forward-facing transverse style for TJ Liner services and Ikebukuro-bound Rapid Express services.[18] When configured in transverse mode, the rows have a seat pitch of 1,000 mm (39 in).[18]

  • Tobu 50090 kei interior.JPG

    Interior view of a 50090 series in forward-facing transverse configuration

  • Tobu-50090.seat.2×3.JPG

    Seats of 50090 series in transverse configuration

  • Tobu 50090 20111102.jpg

    Seats of 50090 series in longitudinal configuration

  • Priority seat of Tobu 50090.jpg

    Priority seats with armrests

Special liveries

File:Tobu 50090 series set 51092 Flying Tojo Higashi-Matsuyama Station 20151210.JPG
Set 51092 in commemorative "Flying Tojo" livery in December 2015

From 28 November 2015, 50090 series set 51092, based at Shinrinkoen Depot, received full-body vinyls recreating the dark blue with yellow stripe livery carried by 54 series and 53 series EMUs used on Flying Tojo limited express services on the Tobu Tojo Line during the 1950s.[19] The set is scheduled to remain in this livery for approximately one year.[19]

See also

  • Seibu 40000 series, a Seibu Railway commuter EMU type that also features rotating longitudinal/transverse seating

References

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External links

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  12. ↑ Tetsudō Daiya Jōhō Magazine, February 2008 issue, p126
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  14. ↑ "Your Tōjō" February 2008 issue
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