Sotetsu 20000 series

Sotetsu 20000 series
Set 20101 on display ahead of service entry in February 2018
Manufacturer Hitachi
Built at Kudamatsu, Yamaguchi
Family name Hitachi A-train
Replaced 7000 series
Constructed 2017 -
Entered service 11 February 2018
Number built 10 vehicles (1 set)
Number in service 10 vehicles (1 set)
Formation 10 cars per trainset
Fleet numbers 20101-
Operator(s) Sagami Railway
Specifications
Car body construction Aluminium alloy
Car length
  • 20,470 mm (67 ft 2 in) (end cars)
  • 20,000 mm (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 1,130 mm (3 ft 8 in)
Doors 4 pairs per side
Maximum speed 120 km/h (75 mph) (design speed)
Traction system VVVF (SiC)
Electric system(s) 1,500 V DC
Current collection method Overhead catenary
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.[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.12345678910
Designation Tc2M1T2M2M3T2M4T3M5Tc1
Numbering 2010x2020x2030x2040x2050x2060x20710x2080x2090x2000x
Weight (t) 29.931.729.831.131.226.931.729.131.130.0
Capacity (seated/total) 45/13351/14451/14351/14351/14351/14351/14351/14351/14345/133

Interior

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

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]

SeasonTime of dayColour temperature [K]Intensity [%]
Spring
(1 April - 30 June)		Early morning02:01:00 - 06:59:59     440090
Morning peak07:00:00 - 09:59:59     500090
Daytime10:00:00 - 15:59:59     440090
Evening16:00:00 - 17:59:59     440090
Night18:00:00 - 02:00:59     3000100
Summer
(1 July - 30 September)		Early morning02:01:00 - 06:59:59     500090
Morning peak07:00:00 - 09:59:59     500090
Daytime10:00:00 - 15:59:59     500090
Evening16:00:00 - 17:59:59     440090
Night18:00:00 - 02:00:59     3000100
Autumn
(1 October - 31 December)		Early morning02:01:00 - 06:59:59     440090
Morning peak07:00:00 - 09:59:59     440090
Daytime10:00:00 - 15:59:59     440090
Evening16:00:00 - 17:59:59     3800100
Night18:00:00 - 02:00:59     3000100
Winter
(1 January - 31 March)		Early morning02:01:00 - 06:59:59     3300100
Morning peak07:00:00 - 09:59:59     3800100
Daytime10:00:00 - 15:59:59     440090
Evening16:00:00 - 17:59:59     440090
Night18:00:00 - 02:00:59     3000100

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. 1 2 3 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.
  2. 1 2 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. 1 2 3 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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