Keisei 3100 series
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| Keisei 3100 series | |
|---|---|
 Set 3151 in July 2021 | |
| Manufacturers | J-TREC, Nippon Sharyo |
| Constructed | 2019– |
| Entered service | 26 October 2019 |
| Number built | 56 vehicles (7 sets) |
| Number in service | 56 vehicles (7 sets) |
| Formation | 8 cars per trainset |
| Fleet numbers | 3151– |
| Operator | Keisei Electric Railway |
| Lines served | |
| Specifications | |
| Car body construction | Stainless steel |
| Car length | 18,000 mm (59 ft 1 in) |
| Width | 2,845 mm (9 ft 4 in) |
| Height | 4,050 mm (13 ft 3 in) |
| Doors | 3 pairs per side |
| Maximum speed | 120 km/h (75 mph) |
| Traction system | Toyo Denki RG6045A-M SiC hybrid IGBT–VVVF[2] |
| Traction motors | 24 × Toyo Denki TDK-6071-A 140 kW (188 hp) 3-phase AC induction motor |
| Power output | 3.36 MW (4,506 hp) |
| Acceleration | 0.97 m/s2 (2.2 mph/s) |
| Deceleration |
|
| Electric systems | 1,500 V DC overhead catenary |
| Current collection | Pantograph |
| UIC classification | Bo'Bo' + Bo'Bo' + 2'2' + Bo'Bo' + Bo'Bo' + 2'2' + Bo'Bo' + Bo'Bo' |
| Bogies | FS-583 |
| Safety system | C-ATS |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
The Keisei 3100 series (京成3100形) is an electric multiple unit (EMU) train type operated by the private railway operator Keisei Electric Railway on Narita Sky Access Line services. The top speed of Keisei 3100 series is 120 km/h (75 mph).[3]
As of 13 November 2021,[update] the fleet consists of six[4] 8-car sets which are formed as follows. Car 1 is at the Narita Airport end.[5]
| Uraga → | ||||||||
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Designation | M2c | M1 | T | M2 | M1' | T | M1 | M2c |
| Weight (t) | 33.6 | 34.2 | 28.0 | 31.5 | 33.8 | 28.0 | 34.2 | 33.6 |
| Capacity (total) | 122 | 133 | 133 | 133 | 133 | 133 | 133 | 122 |
- Cars 2 and 7 are each equipped with two pantographs, and car 5 is equipped with one.[5]
Interior
The interior includes passenger information displays, security cameras,[6] and wheelchair spaces.[7] Seating accommodation consists of longitudinal seating throughout and includes foldable seats, in order to provide more space for luggage.[5] In addition, the seat backs are approximately 170 millimetres (6.7 in) higher than those of the 3000 series.[5]
Interior view
Priority seating with wheelchair/stroller space
Partially foldable seat
Partially foldable seat, up close. The vacant space left by the foldable portion is designated for luggage.
LCD passenger information display
Plasmacluster generator
