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Sotetsu 20000 series

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Sotetsu 20000 series
Set 20101 on display ahead of service entry in February 2018
ManufacturerHitachi
Built atKudamatsu, Yamaguchi
Family nameHitachi A-train
Replaced7000 series
Constructed2017 -
Entered service11 February 2018
Number built10 vehicles (1 set)
Number in service10 vehicles (1 set)
Formation10 cars per trainset
Fleet numbers20101-
OperatorsSagami Railway
Specifications
Car body constructionAluminium alloy
Car length
  • 20,470 mm (67 ft 2 in) (end cars)
  • 20,000 mm (65 ft 7 in) (intermediate cars)
Width2,787 mm (9 ft 1.7 in)
Height4,065 mm (13 ft 4.0 in)
Floor height1,130 mm (3 ft 8 in)
Doors4 pairs per side
Maximum speed120 km/h (75 mph) (design speed)
Traction systemVVVF (SiC)
Electric system(s)1,500 V DC
Current collector(s)Overhead catenary
Track gauge1,067 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.[1]

Design

The fleet of ten-car 20000 series trainsets is being built by Hitachi at its Kasado Factory in Kudamatsu, Yamaguchi.[1] Externally, the trains carry the "Yokohama Navy Blue" corporate livery introduced for refurbished 9000 series trains.[1]

Formation

The trains are formed as ten-car sets, as follows, with five motored ("M") cars and five non-powered trailer ("T") cars, and car 1 at the Yokohama end.[2]

Car No. 1 2 3 4 5 6 7 8 9 10
Designation Tc2 M1 T2 M2 M3 T2 M4 T3 M5 Tc1
Numbering 2010x 2020x 2030x 2040x 2050x 2060x 20710x 2080x 2090x 2000x
Weight (t) 29.9 31.7 29.8 31.1 31.2 26.9 31.7 29.1 31.1 30.0
Capacity (seated/total) 45/133 51/144 51/143 51/143 51/143 51/143 51/143 51/143 51/143 45/133

Interior

Passenger accommodation consists of longitudinal bench seating with grey moquette seat covers.[3] Each car includes a space for wheelchairs and pushchairs.[3]

  • A car interior in February 2018
    A car interior in February 2018
  • Universal design priority seating
    Universal design priority seating
The interior with lighting adjusted to a warmer hue (3000 K) in late evening

The colour temperature of the interior LED lighting is adjusted automatically according to time of day and season as follows (hues shown are illustrative only).[2]

Season Time of day Colour temperature [K] Intensity [%]
Spring
(1 April - 30 June)		 Early morning 02:01:00 - 06:59:59   4400 90
Morning peak 07:00:00 - 09:59:59   5000 90
Daytime 10:00:00 - 15:59:59   4400 90
Evening 16:00:00 - 17:59:59   4400 90
Night 18:00:00 - 02:00:59   3000 100
Summer
(1 July - 30 September)		 Early morning 02:01:00 - 06:59:59   5000 90
Morning peak 07:00:00 - 09:59:59   5000 90
Daytime 10:00:00 - 15:59:59   5000 90
Evening 16:00:00 - 17:59:59   4400 90
Night 18:00:00 - 02:00:59   3000 100
Autumn
(1 October - 31 December)		 Early morning 02:01:00 - 06:59:59   4400 90
Morning peak 07:00:00 - 09:59:59   4400 90
Daytime 10:00:00 - 15:59:59   4400 90
Evening 16:00:00 - 17:59:59   3800 100
Night 18:00:00 - 02:00:59   3000 100
Winter
(1 January - 31 March)		 Early morning 02:01:00 - 06:59:59   3300 100
Morning peak 07:00:00 - 09:59:59   3800 100
Daytime 10:00:00 - 15:59:59   4400 90
Evening 16:00:00 - 17:59:59   4400 90
Night 18:00:00 - 02:00:59   3000 100

History

The first set on delivery in July 2017

Details of the new trains were officially announced in June 2017.[3] The first train set was delivered from the Hitachi factory in Kudamatsu, Yamaguchi, in late July 2017.[4]

Originally scheduled to enter revenue service in December 2017, scheduled service entry was subsequently postponed until 11 February 2018.[5][6]

References

  1. ^ a b c 都心直通用新型車両「２００００系」を導入 [New 20000 series trains to be introduced on Tokyo through-running services] (PDF). News letter (in Japanese). Japan: Sagami Railway. 5 June 2017. Retrieved 5 June 2017. {{cite web}}: |archive-date= requires |archive-url= (help)CS1 maint: url-status (link)
  2. ^ a b 相模鉄道20000系　主要諸元表 [Sagami Railway 20000 series main specifications]. Tetsudo Daiya Joho Magazine (in Japanese). Vol. 47, no. 407. Japan: Kotsu Shimbun. March 2018. p. 51.
  3. ^ a b c Ueshin, Daisuke (5 June 2017). 相鉄20000系、新型車両12月デビュー! 日立製作所が製造、今年度は1編成導入 [New Sotetsu 20000 series trains to debut in December! 1st set to be introduced this year, built by Hitachi]. Mynavi News (in Japanese). Japan. Archived from the original on 5 June 2017. Retrieved 5 June 2017.
  4. ^ 相鉄20000系が甲種輸送される [Sotetsu 20000 series delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 1 August 2017. Archived from the original on 1 August 2017. Retrieved 1 August 2017.
  5. ^ 相鉄20000系，2月11日から営業運転を開始 [Sotetsu 20000 series to enter revenue service from 11 February]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 December 2017. Archived from the original on 22 December 2017. Retrieved 22 December 2017.
  6. ^ 相鉄20000系が営業運転を開始 [Sotetsu 20000 series enters revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 12 February 2018. Archived from the original on 12 February 2018. Retrieved 12 February 2018.
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