| 811 series | |
| Manufacturer: | Hitachi, Kinki Sharyo, JR Kyushu |
| Replaced: | 421 series |
| Yearconstruction: | 1989–1993 |
| Yearservice: | 21 July 1989 |
| Refurbishment: | 2017– |
| Numberbuilt: | 112 vehicles (28 sets) |
| Numberservice: | 108 vehicles (27 sets) |
| Numberscrapped: | 4 vehicles (set PM2, accident damage) |
| Formation: | 4 cars per trainset |
| Operator: | JR Kyushu |
| Depots: | Minami-Fukuoka |
| Lines: | Kagoshima Main Line, Nagasaki Main Line, Nippo Main Line |
| Carbody: | Stainless steel |
| Carlength: | 20000mm |
| Width: | 2950mm |
| Height: | 3670mm |
| Doors: | 3 pairs per side |
| Maxspeed: | 120round=5NaNround=5 |
| Traction: | Thyristor drive Variable frequency (IGBT/SiC Hybrid module) (811-1500 series) |
| Traction Motors: | 811-0/100 series: MT61QA 811-1500 series MT405K |
| Electricsystem: | 20 kV AC 60 Hz |
| Collectionmethod: | Overhead catenary |
| Multipleworking: | 813/815/817/821 series |
The is an AC electric multiple unit (EMU) train type operated on local services by Kyushu Railway Company (JR Kyushu) in Japan since 1989.[1]
The trains were built jointly by Hitachi, Kinki Sharyo, and JR Kyushu (Kokura factory).[2]
811 series trains are used on "Local" (all-stations) and "Rapid" (limited-stop) services on the following lines.[3]
, the fleet consists of 108 vehicles, formed as 27 four-car sets.[4]
The four-car 811-0 series sets (sets PM1 to PM17) are formed as follows.[4]
| Designation | M'c | M | T | Tc' | |
|---|---|---|---|---|---|
| Numbering | KuMoHa 810 | MoHa 811 | SaHa 811 | KuHa 810 | |
| Capacity (Seated/total) | 48/124 | 56/133 | 44/123 | ||
The KuMoHa 810 car is fitted with one PS101Q lozenge-type pantograph. The KuHa 810 car has a toilet.[4]
The four-car 811-100 series sets (sets PM101 to PM111) are formed as follows.[4]
| Designation | M'c | M | T | Tc' | |
|---|---|---|---|---|---|
| Numbering | KuMoHa 810-1xx | MoHa 811-1xx | SaHa 811-1xx | KuHa 810-1xx | |
| Capacity (Seated/total) | 48/133 | 56/141 | 44/131 | ||
The KuMoHa 810 car is fitted with one PS101Q lozenge-type pantograph. The KuHa 810 car has a toilet.[4] Sets PM105 and PM106 have SaHa 811-200 cars instead of SaHa 811-100 cars. These also have a toilet.[4]
The four-car 811-1500 series sets (sets PM15xx) refurbished from former 811-0 series sets are formed as follows.[4]
| Designation | M'c | M | T | Tc' | |
|---|---|---|---|---|---|
| Numbering | KuMoHa 810-15xx | MoHa 811-15xx | SaHa 811-15xx | KuHa 810-15xx |
The KuMoHa 810 car is fitted with one single-arm pantograph. The KuHa 810 car has a toilet.[4]
The 811-100 series sets have fixed transverse seats in the vicinity of the doorways rather than the flip-over seats of the 811-0 series sets.[4]
Sets P8 and P9 carried a "Mitsui Greenland" promotional livery, and set P11 carried a "Space World" promotional livery for a while. As of January 2013, P8 carries promotional vinyls for the Kyushu Heritage Museum, and the other two sets have been returned to the standard colour scheme.
The first sets were delivered in June 1989, and entered service from 21 July 1989.[5] Trains became all no-smoking from 1 September 1995.[6]
11 811-100 series four-car sets were delivered from 1992, numbered PM101 to PM111.[5] These had a modified seating arrangement to provide more standing space in the doorway areas.[5]
In 2017, set PM4 was refurbished, renumbered as set PM1504. Refurbishment changes include replacing the traction control equipment with SiC-VVVF equipment, changing to a single-arm pantograph, tinted passenger windows, full-colour LED destination indicators, and replacement of the former transverse seating with longitudinal bench seating.[7] The interior and exterior design for refurbished trainsets was overseen by the industrial design company Don Design Associates.[8] The first refurbished trainset returned to service in April 2017.[8]