The is a DC

electric multiple unit An electric multiple unit or EMU is a multiple-unit train consisting of self-propelled carriages using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a numbe ...

(EMU) train type operated by the

private railway A private railway is a railroad run by a private business entity (usually a corporation but not need be), as opposed to a railroad run by a public sector. Japan In Japan, , commonly simply ''private railway'', refers to a public transit railway o ...

operator

Keikyu (), also known as or, more recently, , is a private railroad that connects inner Tokyo to Kawasaki, Yokohama, Yokosuka and other points on the Miura Peninsula in Kanagawa Prefecture. It also provides rail access to Haneda Airport in Tokyo. mea ...

on commuter services in the Tokyo area of Japan since 2002.Keikyu N1000 series
. Retrieved 17 September 2008.

Operations

The eight-car sets are primarily used on limited-stop "Rapid Limited Express" and "Limited Express" services on the

Keikyu Main Line (), also known as or, more recently, , is a private railroad that connects inner Tokyo to Kawasaki, Yokohama, Yokosuka and other points on the Miura Peninsula in Kanagawa Prefecture. It also provides rail access to Haneda Airport in Tokyo. mea ...

, including through-running services to the

Toei Asakusa Line The is a subway line in Tokyo, Japan, operated by the Tokyo subway operator Toei Subway. The line runs between in Ōta and in Sumida. The line is named after the Asakusa district, a cultural center of Tokyo, under which it passes. The Asak ...

as well as the

Keisei Oshiage Line The is a railway line in Tokyo, Japan, operated by private railway company Keisei Electric Railway. It connects Oshiage Station in Sumida and Aoto Station in Katsushika. The Oshiage Line passes through areas typical of Tokyo's '' shitamachi' ...

Keisei Main Line {{Infobox rail line , name = Keisei Main Line , native_name = 京成本線 , native_name_lang = ja , color = 005aaa , logo = {{KSLS, KS, 50 , logo_width = , image = Keisei-Series3000-3042.jpg , image_width = 3 ...

, and Hokuso Line. Some of these eight-car sets are also being used on the

Keikyu Airport Line (), also known as or, more recently, , is a private railroad that connects inner Tokyo to Kawasaki, Yokohama, Yokosuka and other points on the Miura Peninsula in Kanagawa Prefecture. It also provides rail access to Haneda Airport in Tokyo. mea ...

. Four-car sets are commonly used to form 12-car "Rapid Limited Express" and "Limited Express" services, and are also used singly on all-stations "Local" services; in addition, some are used on the

Keikyu Daishi Line (), also known as or, more recently, , is a private railroad that connects inner Tokyo to Kawasaki, Yokohama, Yokosuka and other points on the Miura Peninsula in Kanagawa Prefecture. It also provides rail access to Haneda Airport in Tokyo. mea ...

, with some being used to form eight-car trains for use on inter-running services to the Asakusa Line and Keisei lines. The six-car formations delivered from 2011 are generally used on all-stations "Local" services. The N1000 series sets can be used in multiple with other Keikyu EMU types, including the 600 series, 1500 series, 2000 series, and 2100 series.

Variants

Since the first set was introduced in 2002, the type has undergone a number of design improvements. Sets built from 2002 to 2006 have painted aluminium bodies, whereas sets built from 2007 onward (sets 1073 onward) have stainless steel bodies. More detailed variations are described below. The

Siemens Siemens AG ( ) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe headquartered in Munich with branch offices abroad. The principal divisions of the corporation are ''Industry'', '' ...

inverters fitted to the first two batches prior to their refurbishment between 2017 and 2021 were known in Japan by the nickname , due to the distinctive ascending

musical scale In music theory, a scale is any set of musical notes ordered by fundamental frequency or pitch. A scale ordered by increasing pitch is an ascending scale, and a scale ordered by decreasing pitch is a descending scale. Often, especially in the ...

the trains produced when accelerating from a standstill.

Batch 1

Delivered February to June 2002. * 8-car sets x 3: 1001, 1009, 1017 * 4-car sets x 2: 1401, 1405 These sets have single-arm pantographs and were formerly equipped with roller-blind destination indicators and Siemens GTO

variable-frequency drive A variable-frequency drive (VFD) is a type of motor drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and, depending on topology, to control associated voltage or current variat ...

(VVVF) traction equipment. File:Keikyu-Type1000-1001F-Lot1.jpg, Refurbished 1st-batch set 1001 in October 2020

Batch 2

Delivered May to July 2003. * 8-car sets x 2: 1025, 1033 * 4-car sets x 2: 1409, 1413 The centre pillars of the passenger windows were discontinued. Set 1409 was upgraded in May 2018, and modifications included LED lights, LCD-displays above the doors, LED-displays on the sides, and replacement of the original GTO-VVVF propulsion systems with IGBT inverters supplied by Toshiba, which is also used on sets 1401 and 1405 from the earlier batch. Set 1413 was also upgraded like set 1409 and started service in December 2018. Set 1025 was refurbished in May and August 2019, and the original Siemens GTO was changed to Toyo Denki IGBT. Set 1033 had Siemens GTO inverters until 18 July 2021, where it operated as a charter from Shinagawa; its last run ultimately took place on 20 July. Following refurbishment, set 1033 received Toyo Denki IGBT inverters.

Batch 3

Delivered January to March 2005. * 8-car sets x 2: 1041, 1049 * 4-car sets x 2: 1417, 1421 Initially built with Siemens-manufactured

IGBT An insulated-gate bipolar transistor (IGBT) is a three-terminal power semiconductor device primarily used as an electronic switch, which, as it was developed, came to combine high efficiency and fast switching. It consists of four alternating lay ...

-VVVF inverters. Set 1417 was refurbished in March 2019. This set now has LED lighting, LCD-displays above the doors, other LED displays, and was refitted with Toyo Denki-manufactured IGBT-VVVF inverters. Both 1041 and 1049 were powered by Siemens IGBT-VVVF. File:Keikyu 1000 series EMU (II) 421.jpg, 3rd-batch 4-car set 1421 in June 2010

Batch 4

Delivered July to August 2005. * 8-car sets x 1: 1057 * 4-car sets x 4: 1425, 1429, 1433, 1437 Feature full-colour

LED A light-emitting diode (LED) is a semiconductor Electronics, device that Light#Light sources, emits light when Electric current, current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy i ...

destination indicators. File:Keikyu 1000 series EMU (II) 045.JPG, 4th-batch 4-car set 1425 in March 2008

Batch 5

Delivered November 2006. * 8-car sets x 1: 1065 * 4-car sets x 2: 1441, 1445 No design changes over 4th batch vehicles. Set 1065 has refurbished and refitted with Toyo Denki IGBT-VVVF. File:Keikyu-Type1000-1065F-Lot5.jpg, 5th-batch 8-car set 1065 with full-colour LED destination indicators in October 2020

Batch 6

Delivered March 2007. * 8-car set x 1: 1073 Body design changed to unpainted stainless steel. The four-seat transverse bays at the ends of cars were replaced by longitudinal bench seats. Starting this batch until batch 16, all 8-car trains use

Mitsubishi The is a group of autonomous Japanese multinational companies in a variety of industries. Founded by Yatarō Iwasaki in 1870, the Mitsubishi Group historically descended from the Mitsubishi zaibatsu, a unified company which existed from 1870 ...

IGBT-VVVF inverters. File:Keikyu-Type1000-073.jpg, alt=6th-batch 8-car set 1073 on the Keisei Oshiage Line in July 2021, 6th-batch 8-car set 1073 in July 2021

Batch 7

Delivered January to February 2008. * 8-car sets x 2: 1081, 1089 Yellow warning tape was added around the door interiors. File:Keikyu-Type1000-1089F-Lot7.jpg, Stainless steel 7th-batch 8-car set 1089 in October 2020

Batch 8

Delivered September to December 2008. * 8-car sets x3: 1097, 1105, 1113 * 4-car sets x2: 1449, 1453 Starting this batch until batch 20, all 4- and 6-car sets are powered by Toyo-Denki IGBT-VVVF unless noted. File:Keikyu-Type1000-1449F-Lot8.jpg, Stainless steel 8th-batch 4-car set 1449 in October 2020

Batch 9

Delivered April to June 2009. * 4-car sets x8: 1457, 1461, 1465, 1469, 1473, 1477, 1481, 1485 File:Keikyu-Type1000-1481F-Lot9.jpg, Stainless steel 9th-batch 4-car set 1481 in October 2020 File:Inside Keikyu 1482.jpg, Interior view of car 1482 File:KeikyuN1000 Msc1464 Controler.jpg, Driver's cab

Batch 10

Delivered during fiscal 2010. * 8-car sets x 3: 1121, 1129, 1137 * 4-car set x 1: 1489 Audible warnings added for door opening/closing, and pairs of LCD passenger information screens installed above doors. In addition, 1137 was retired in March 2020 in the aftermath of the level crossing crash on 5 September 2019. File:Keikyu-Type1000-1129F-Lot10.jpg, 10th-batch 8-car set 1129 in October 2020

Batch 11

Delivered during fiscal 2011. * 8-car set x 1: 1145 * 6-car sets x 3: 1301, 1307, 1313 The third six-car set, 1313, entered service on 19 March 2012. This set uses LED interior lighting instead of fluorescent tubes. File:Keikyu 1313 Nakakido.jpg, 11th-batch 6-car set 1313 in May 2012

Batch 12

Delivered April 2012. * 8-car sets x1: 1153 * 6-car sets x2: 1319, 1325 File:Keikyu1324 Shinmachi.JPG, 12th-batch 6-car set 1319 in May 2012

Batch 13

Delivered August 2013 to March 2014. * 8-car sets x1: 1161 * 6-car sets x2: 1331, 1337 File:Keikyu-Type1000-1161F-Lot13.jpg, 13th-batch 8-car set 1161 in October 2020

Batch 14

Delivered in mid to late 2014. * 8-car sets x1: 1169 * 6-car sets x3: 1343, 1349, 1355 File:Keikyu-Type1000-1169F-Lot14.jpg, 14th-batch 8-car set 1169 in October 2020

Batch 15

Delivered in 2015. * 6-car sets x2: 1361, 1367 Set 1367 uses Toshiba-manufactured

permanent-magnet synchronous motor A synchronous electric motor is an AC electric motor in which, at steady state, the rotation of the shaft is synchronized with the frequency of the supply current; the rotation period is exactly equal to an integral number of AC cycles. Sync ...

s. File:KEIKYU N1000 SERIES 1367- 20180818.jpg, Keikyu N1000 set 1367F. This set uses Toshiba PMSM-VVVF.

1000-1800 series

Two new 1000-1800 series four-car sets (1801 and 1805) were delivered from

J-TREC is a manufacturer of heavy rail cars in Japan, formerly known as . The company is based in Kanazawa-ku, Yokohama, and a member of East Japan Railway Company (JR East) group. J-TREC manufactures rail vehicles not only for JR East and Tokyu Corp ...

in February 2016. These two sets differ from earlier variants in having centre gangways on the cab ends as well as a vinyl-based red and ivory livery. These two sets entered revenue service on 4 March 2016. In mid 2016, set 1809 was delivered along with Batch 16. All three sets have stainless steel bodies painted in a red and ivory livery except the side of the doors and windows instead of the vinyl-based livery used on earlier batches. * 4-car sets x3: 1801, 1805, 1809 File:Keikyu 1000gata 1800bandai.jpg, Set 1801 in May 2016 File:Keikyu-Type1000-1805F-Lot15.jpg, Set 1805 in November 2017

Batch 16

Introduced in fiscal 2016. These trains inherit the livery used in the 1000-1800 series sets. They use LED lighting throughout, and they are Keikyu's first trains to use LED headlights from new. Internally, the trains feature a combination of longitudinal and transverse seating; each car has two bays of transverse seating, one at each end. The longitudinal seat partitions were enlarged. * 8-car sets x2 from February 2017: 1177, 1185 * 6-car sets x2 from November 2016: 1601, 1607 File:Keikyu N1000 series 1185 Formation.jpg, Stainless steel-bodied 16th-batch 8-car set 1185 in May 2017 File:Keikyu-Type1000-1601F-Lot16.jpg, Stainless steel-bodied 16th-batch 6-car set 1601 in October 2020 File:Keikyu 1000kei 1600 interior.jpg, Interior view File:Keikyu 1000kei 1600 box seat.jpg, Transverse seating bays

Batch 17

Introduced in fiscal 2017. Starting from this batch, all trains will have stainless steel bodies painted in a red and ivory livery like batch 16, but also including the side of the doors and windows. Internally, pairs of LCD passenger information screens are provided above each set of doors. * 8-car sets x3 from February 2018: 1201, 1209, 1217 * 6-car sets x2 from January 2018: 1613, 1619 File:Keikyu-Type1000-1209F-Lot17.jpg, 17th-batch 8-car set 1209 in October 2020

Batch 18

Introduced in fiscal 2018. *6-car sets x7: 1625, 1631, 1637, 1643, 1649, 1655, 1661 File:Keikyu-Type1000-649.jpg, 18th-batch set 1649 in July 2021

Batch 19

*8-car sets x1: 1225 *6-car sets x1: 1667 File:Keikyu-Type1000-1225F-Lot19.jpg, 19th-batch 8-car set 1225 in October 2020

1000-1890 series "Le Ciel"

The 1000-1890 series 4-car sets were introduced into service from 6 May 2021. These are the first trains in the fleet to feature rotating banks of seats; they can be arranged in a longitudinal or transverse seating configuration when required. The seats are similar to those used on the 2100 series but are wider. Power sockets are also provided. They are also the first trainsets in the fleet to feature toilets; car 2 features a universal-access Western toilet, and car 3 features a men's toilet. The trains are intended for use on reserved seat "Wing" services as well as chartered event services. Shortly after their initial entry into service, Keikyu announced that it would procure three additional 4-car sets as part of its investment plan for fiscal 2021. The first of these three sets (1893) entered service on 29 November 2021. Following a nickname contest for the 1000-1890 series fleet held between June and July 2021, the nickname "Le Ciel" (''The Sky'' in French) was announced for the 1000-1890 series fleet on 24 December. Four entries were given honourable mentions: "Red Rabbit", "Leap", "Sunsun", and "Kofu". From 26 March 2022, the intermediate cars of sets 1891, 1892, 1894, and 1895 were adorned with branding. On 26 May 2022, the 1000-1890 series received the '' Blue Ribbon Award''. * 4-car sets x5: 1891, 1892, 1893, 1894, 1895 File:Keikyu-railway-1892F-Le Ciel logo 20220702.jpg, alt=, branding as used with the 1000-1890 series File:Keikyu-railway-1892F-Deha1892-1 inside Long Seat mode 20220702.jpg, alt=, Interior of a 1000-1890 series set

Formations

the fleet consists of 27 eight-car sets (numbered 1001 to 1129, 1145 to 1185, and 1201 to 1225), 24 six-car sets (numbered 1301 to 1367 and 1601 to 1667), and 31 four-car sets (numbered 1401 to 1489, 1801 to 1809, and 1891 to 1895).

8-car sets 1001 to 1033

The five eight-car (aluminium bodied) sets 1001 to 1033 are formed as follows, with four motored (M) cars and four trailer (T) cars. The "Tpu" and "Tps" cars are each fitted with two single-arm pantographs.

8-car sets 1041 to 1065

The five eight-car (aluminium bodied) sets 1041 to 1065 are formed as follows, with six motored (M) cars and two trailer (T) cars. The "Tpu" and "Tps" cars are each fitted with two single-arm pantographs.

8-car sets 1073 to 1185 and 1201 to 1225

The eighteen eight-car (stainless steel bodied) sets 1073 to 1185 and 1201 to 1225 are formed as follows, with six motored (M) cars and two trailer (T) cars. The "M1u" and "M1s" cars are each fitted with two single-arm pantographs, and the "M1u'" are fitted with one pantograph.

6-car sets 1301 to 1367 and 1601 to 1667

The twenty-four six-car (stainless steel bodied) sets 1301 to 1367 and 1601 to 1667 are formed as follows, with four motored (M) cars and two trailer (T) cars. On 1301-1367, the "M1u" cars are fitted with one single-arm pantograph, while "M1s" cars are fitted with two single-arm pantographs. On 1601-1667, the "M1u" and "M1s" cars are each fitted with two single-arm pantographs.

4-car sets 1401 and 1405

The first batch of four-car (aluminium bodied) sets, numbered 1401 and 1405, are formed as follows, with two motored (M) cars and two trailer (T) cars. The "T1pu" and "T1ps" cars are each fitted with one single-arm pantograph.

4-car sets 1409 and 1413

The two four-car (aluminium bodied) sets 1409 and 1413 are formed as follows, with two motored (M) cars and two trailer (T) cars. The "Tp" cars are fitted with two single-arm pantographs.

4-car sets 1417 to 1445

The eight four-car (aluminium bodied) sets 1417 to 1445 are formed as follows, with three motored (M) cars and one trailer (T) car. The "Tp" cars are fitted with two single-arm pantographs.

4-car sets 1449 to 1489 and 1801 to 1809

The 16 four-car (stainless steel bodied) sets 1449 to 1489, 1801 to 1809, and 1891 to 1892 are formed as follows, with four motored (M) cars. The "M1u" and "M1s" cars are each fitted with one single-arm pantograph. The 18xx cars have end gangways that can be connected to form 8-car trains for through service to

Asakusa is a district in Taitō, Tokyo, Japan. It is known as the location of the Sensō-ji, a Buddhist temple dedicated to the bodhisattva Kannon. There are several other temples in Asakusa, as well as various festivals, such as the . History The ...

and Keisei Lines.

1000-1890 series 4-car sets

The 1000-1890 series four-car sets are formed as follows, with two motored (M) cars and two trailer (T) cars. The "Muc2" car is at the Misakiguchi end. The "Tpsv2" cars are fitted with two single-arm pantographs.

Refurbishment

On 10 May 2017, Keikyu announced that it would make investments in safety and comfort that would total approximately 21.9 billion yen. Also announced was refurbishment work for eight N1000 series cars. The work includes: * Modifications to some of the passenger side windows to allow them to be opened * Removal of roof-mounted exhaust fans * Enlarged seat partitions * Replacement of traction equipment * Replacement of roller-blind destination indicators in favour of full-colour LED destination indicators *Replacement of external and internal lighting with LEDs *Replacement of above-door LED

passenger information system A passenger information system, or passenger information display system, is an automated system for supplying users of public transport with information about the nature and the state of a public transport service through visual, voice or other m ...

s with

liquid-crystal display A liquid-crystal display (LCD) is a flat-panel display A flat-panel display (FPD) is an electronic display used to display visual content such as text or images. It is present in consumer, medical, transportation, and industrial equipmen ...

systems *Addition of door opening/closing visual indicators for all passenger doors *Replacement of cooling equipment Eight-car set 1001, the first set to be treated, returned to service on 18 September 2017.

Livery variations

Haneda Airport Terminal 2

8-car sets 1025 and 1033 received a sky-blue livery to commemorate the opening of Haneda Airport Terminal 2. They carried this livery until March 2005.

Yellow Happy Train

8-car set 1057 was repainted into a special "Yellow Happy Train" livery from May 2014, for the collaboration with the private railway operator

Seibu Railway is a conglomerate based in Tokorozawa, Saitama, Japan, with principal business areas in railways, tourism, and real estate. Seibu Railway's operations are concentrated in northwest Tokyo and Saitama Prefecture; the name "Seibu" is an abbreviati ...

. In return, Seibu repainted one of its 9000 series trainsets into Keikyu livery, known as the "Seibu Red Lucky Train". The "Yellow Happy Train" livery was originally intended to be used for about three years; however, due to its popularity, on 27 April 2017, Keikyu announced its decision to keep the livery and to also repaint the passenger doors yellow from their original silver colour. File:Keikyu-Type1000-1064 Yellow.jpg, The "Yellow Happy Train" livery with original silver doors in March 2017 File:Keikyu-Type1000-1057F-Lot4-Yellow.jpg, Updated "Yellow Happy Train" livery with yellow doors in October 2020

Accidents

Set 1137 was involved in a collision with a truck on a level crossing near Kanagawa-shimmachi Station on 5 September 2019, killing the truck driver and injured at least 30 others on the train. The set was substantially damaged and was withdrawn in March 2020.

References

External links

Keikyu N1000 series information

Siemens order information
{{DEFAULTSORT:Keikyu N1000 series Electric multiple units of Japan N1000 series Train-related introductions in 2002 Kawasaki multiple units 1500 V DC multiple units of Japan Tokyu Car multiple units J-TREC multiple units