| Keiō 9000 series | |
|---|---|
8-car set 9706 on the Keiō Line |
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| Manufacturer | Nippon Sharyo, Tokyu Car Corporation |
| Constructed | 2000–2009 |
| Entered service | 2001 |
| Formation | 8/10 cars per trainset |
| Capacity | 141 (end cars), 152 (intermediate cars) |
| Operator | Keio Corporation |
| Depot(s) | Takahatafudō and Wakabadai |
| Specifications | |
| Car length | 20 m (65 ft 7 in) |
| Width | 2,845 mm (9 ft 4 in) |
| Height | 4,100 mm (13 ft 5 in) |
| Maximum speed | 110 km/h (68 mph) on Keiō Corporation lines, 75 km/h (47 mph) on Toei Shinjuku Line, 120 km/h (75 mph) design |
| Acceleration | 2.5 km/h/s (on Keio Corporation Line), 3.3 km/h/s (on Toei Shinjuku Line) |
| Deceleration | 4.0 km/h/s (4.5 km/h/s for emergency brake) |
| Traction system | IGBT-VVVF |
| Power output | 170 kW (228 hp) per traction motor |
| Electric system(s) | 1,500 V DC |
| Current collection method | Overhead |
| Braking system(s) | Electric commanding brake with Regenerative brake |
| Safety system(s) | ATS, Digital-ATC (30 series only) |
| Gauge | 1,372 mm (4 ft 6 in) |
The Keiō 9000 series (京王9000系) is an electric multiple unit operated by Keiō Corporation on the Keiō Line and its branches in Tōkyō and Kanagawa, Japan.
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The first 9000 series entered service in January 2001. The original eight sets of the '0' subseries were formed as eight-car sets (numbered 9701 to 9708).
From May 2005, a new version compatible with Toei Shinjuku Line equipment, the '30' subseries, was introduced as 10-car formations.
The front end design is based on the design of the Keiō 5000 series. The body is stainless steel and manufactured with the Nippon Sharyo's unique "block structure" system. Some sets were built at Tokyu Car Corporation, but body structures are the same as the Nippon Sharyo sets. The front portion is steel painted in ivory white.
The master controller is one-handle type with a T-shape handle. The speedometer is analog and can indicate up to 140 km/h. A train navigation system (TNS) is installed.
Although it can be used on all 1,372 mm gauge lines of Keiō, it is mainly used on the Keiō Line, the Takao Line and the Sagamihara Line.
'0 series' sets are mainly used on Local and Rapid services during daytime. They are also used on 10-car Semi Special Express trains. To create a 10-car train, two Keiō 6000 series cars are added to an eight-car 9000-series train.
'30 series' sets are mainly used for through express services connecting the Keiō Sagamihara Line and the Toei Shinjuku Line via the inner end of the Keiō Line. 30-series sets are rarely used on the section west of Chōfu Station on the Keiō Line.
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