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321 series
Japanese train type
Japanese train type
| Field | Value | |
|---|---|---|
| name | 321 series | |
| image | Series321-D11.jpg | |
| imagesize | 300px | |
| caption | 321 series set D11 in February 2021 | |
| service | 2005–present | |
| manufacturer | Kinki Sharyo | |
| factory | Higashiōsaka | |
| replaced | 201 series, 205 series, 207 series (set Z16) | |
| yearconstruction | 2005–2007 | |
| yearservice | 1 December 2005 | |
| numberbuilt | 273 vehicles (39 sets) | |
| formation | 7 cars per trainset | |
| fleetnumbers | D1–D39 | |
| operator | JR-West | |
| depots | Aboshi | |
| lines | {{plainlist | |
| carbody | Stainless steel | |
| trainlength | 136.600 m | |
| carlength | 19550 mm (end cars) | |
| 19500 mm (intermediate cars) | ||
| width | 2950 mm | |
| height | 3630 mm | |
| doors | 4 pairs per side | |
| maxspeed | 120 km/h | |
| weight | 232.8 t | |
| acceleration | 2.5 km/h/s | |
| deceleration | 4.2 km/h/s (emergency) | |
| traction | Variable frequency (2-level IGBT) | |
| poweroutput | 270 kW | |
| electricsystem | 1,500 V DC overhead | |
| collectionmethod | WPS27D scissors-type pantograph | |
| bogies | WDT63 (powered), WTR246/WTR246A (trailer) | |
| brakes | Regenerative brake, electronically controlled pneumatic brakes, snow-resistant brake | |
| safety | ATS-SW, ATS-P | |
| gauge |
- Tōkaidō Main Line
- Sanyo Main Line
- Kosei Line
- Fukuchiyama Line
- JR Tōzai Line
- Katamachi Line
- Yamatoji Line 19500 mm (intermediate cars)
The 321 series is a DC electric multiple unit (EMU) commuter train type operated by West Japan Railway Company (JR-West) in the Kansai Region of Japan.
Overview
The 321 series was developed from the earlier 207 series to replace the ageing 201 series and 205 series trains on the Tōkaidō Main Line. One 321 series set also replaced the 207 series (set Z16) withdrawn due to collision damage sustained in the Amagasaki derailment of 25 April 2005.
Operations
The 321 series share the same assignments as their 207 series counterparts. All 39 sets are allocated to Aboshi depot.
- Tōkaidō Main Line and Sanyō Main Line: –
- Fukuchiyama Line: – Sasayamaguchi
- JR Tōzai Line and Katamachi Line: Amagasaki –
- Osaka Higashi Line and Kansai Main Line (Yamatoji Line) (until 17 March 2023)
Formation
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Designation | Numbering | Capacity | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M'c | M | T | M' | M | M' | Mc | |||||
| KuMoHa 320 | MoHa 321 | SaHa 321 | MoHa 320 | MoHa 321 | MoHa 320 | KuMoHa 321 | |||||
| 142 | 156 | 156 | 156 | 156 | 156 | 142 | |||||
| 35.1 t | 34.1 t | 27.3 t | 33.3 t | 34.1 t | 33.3 t | 35.6 t |
KuMoHa 321 and MoHa 321 cars each have two scissors-type pantographs.
Interior
File:JRW series321 indise.jpg|Original interior style in June 2010 File:JR-Series321 Inside.jpg|Interior following changes to seat covers and hanging straps, December 2021 File:JR-Series321 Inside Priority-seat.jpg|Priority seating and free space, December 2021 File:JR-Series321 Inside LCD.jpg|LCD passenger information display
References
References
- (October 2005). "Electric Equipment of Series 321 Train".
- (8 July 2005). "321系通勤形直流電車の新製投入".
- (16 November 2016). "JR電車編成表". 交通新聞社.
- 柴田, 東吾. (January 2015). "JR西日本207系の歩みと現状". 鉄道ジャーナル社.
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
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