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{{short description|Japanese train type}}
{{UseExpand dmy datesJapanese|date=JanuaryJuly 20132022|topic=transport}}
{{Use dmy dates|date=January 2023}}
{{Infobox train
| name = Keikyu 1500 series
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| imagealt =
| caption = 6-car set 1537 in July 2021
| service =
| manufacturer = [[Tokyu Car Corporation]], [[Kawasaki Heavy Industries Rolling Stock Company|Kawasaki Heavy Industries]]
| factory =
| family =
| replaced =
| yearconstruction = 1985–1991
| yearservice = 1985
| refurbishment = 2002–
| yearscrapped = 2022–
| numberconstruction =
| numberbuilt = 166 vehicles (28 sets)
| numberservice = 158138 vehicles (2722 sets)
| numberpreserved =
| numberscrapped = 28 vehicles (6 sets)
| formation = 4/6/8 cars per trainset
| fleetnumbers = {{Plainlist|
Line 25 ⟶ 26:
* 1561–1593
* 1701–1731}}
| capacity =
| operator = [[Keikyu]]
| depots =
| lines =
| carbody = Aluminium, steel (sets 1501 to 1517)
| carlength = {{Convert|18,00018000|mm|ftin|0|abbr=on}}
| width = {{Convert|2,8302830|mm|ftin|0|abbr=on}}
| height =
| floorheight =
| doors = 3 pairs per side
| wheeldiameter =
| wheelbase =
| maxspeed = {{Convert|120|km/h|mph|round=51|abbr=on}}<ref name="private2012"/>
| weight =
| axleload =
| traction = [[Chopper (electronics)|Field chopper]]<br />[[Variable-frequency drive|Variable frequency]] ([[Gate turn-off thyristor|GTO]]/[[Insulated gate bipolar transistor|IGBT]])
| poweroutput =
| transmission =
| acceleration =
| deceleration =
| aux =
| powersupply =
| hvac =
| electricsystem = {{1,500 V DC}} [[Overhead line|Overhead catenary]]
| collectionmethod = [[Pantograph (transport)|Pantograph]]
| bogies =
| brakes =
| safety =
| coupling =
| multipleworking = [[Keikyu 600 series|600 series]], [[Keikyu N1000 series|N1000 series]], [[Keikyu 2100 series|2100 series]]
| gauge = {{RailGauge|1435mm}}
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==Formations==
[[File:Keikyu 1500 series 1713 formation.jpg|thumb|Set 1713 in May 2017, retro-fitted with full-colour LED destination indicators]]
{{As of|2017|04|01}} March 2023, the fleet consists of 158138 vehicles formed as four-car, six-car, and eight-car sets, as follows.<ref name="jrrprivate2017">{{cite book |script-title=ja: 私鉄車両編成表 2017 |trans-title= Private Railway Rolling Stock Formations - 2017 |publisher = Kotsu Shimbunsha |date = 25 July 2017 |location = Japan |language = Japanese |page = 37|isbn = 978-4-330-81317-2|title= 私鉄車両編成表 2017 }}</ref>
 
===4-car sets 1501 to 1525===
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|-
! Numbering
| 15xxcolspan="4" || 15xx || 15xx || 15xx
|}
* The "M1c" and "M1" cars are each fitted with one lozenge-type [[Pantograph (rail)|pantograph]].<ref name="jrrprivate2017"/>
* Sets 1501 to 1517 have steel bodies, all of which are now retired as of March 2023.<ref>{{cite web | url=https://tetsudo-ch.com/12408482.html | title=京急「1500形」置き換えへ 京急の2022年度鉄道事業設備投資計画 &#124; 鉄道ニュース }}</ref> All other sets have aluminiumaluminum bodies. <ref name="jrrprivate2017"/>
 
===6-car sets 1529 to 1549, 1561 to 1593===
15 x six-car sets formed by adding two 1900 trailer cars to four-car sets. {{Cn-Citation needed span|text=Sets 1561 to 1593 were originally numbered 1601 to 1649.|date=December 2021}}
{| class="wikitable"
|-
Line 87 ⟶ 88:
|-
! Numbering
| 1xxxcolspan="2" || 1xxx || 19xxcolspan="2" || 19xx || 1xxxcolspan="2" || 1xxx
|}
* The "M1c" cars are fitted with one lozenge-type pantograph, and the "M1" cars are fitted with two.<ref name="jrrprivate2017"/>
 
===8-car sets 1701 to 1731===
5 x eight-car sets formed by adding two 1900 trailer cars to six-car sets.
{| class="wikitable"
|-
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|-
! Numbering
| 17xxcolspan="2" || 17xx || 19xxcolspan="2" || 19xx || 17xxcolspan="4" || 17xx || 17xx || 17xx
|}
* The "M1c" and end "M1" cars are each fitted with one lozenge-type pantograph, and the centre "M1" cars are fitted with two.<ref name="jrrprivate2017"/>
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A programme of life-extension refurbishment commenced in 2002. This involved adding new air-conditioning units, removing the original door pocket windows of the steel bodied cars, and adding front-end skirts.<ref name="private2012"/>
 
On 24 September 2012, set 1701 derailed between [[Oppama Station]] and [[Keikyu Taura Station]]. It was since retired and was replaced by [[Keikyu N1000 series|Keikyu N1000 set 1169]].{{factcitation needed|date=February 2021}}
 
===Withdrawal===
As part of Keikyu's FY2022 Railway Business Capital Investment Plan, retirements of the first five four-car steeled body sets, numbered 1501 - 1517, commenced in May 2022 with the introduction of new 4-car stainless steel N1000-1890 series sets. <ref>{{cite web | url=https://tetsudo-ch.com/12408482.html | title=京急「1500形」置き換えへ 京急の2022年度鉄道事業設備投資計画 &#124; 鉄道ニュース }}</ref>
 
==Livery variations==
From 25 February 2018, four-car set 1521 was finished in a special "Keikyu 120 years of progress" livery with each of the four cars carrying a different livery used by Keikyu trains in the past. The livery remained on the car until 24 February 2019.<ref name="railfan20180226">{{cite web |url= https://railf.jp/news/2018/02/26/201500.html |script-title=ja: 「京急120年の歩み号」運転開始 |trans-title= "Keikyu 120 years of progress" train enters service |date= 26 February 2018|work= Japan Railfan Magazine Online|publisher= Koyusha Co., Ltd.|location= Japan|language= Japanese|archivedate= 26 February 2018|url-status=live |accessdate= 26 February 2018}}</ref> Car 1 carries the dark red used on 51 series EMUs from 1924 to 1965, car 2 carries the red and yellow livery used on 500 series and other trains from 1951 to 1963, car 3 carries the red livery used on 1500 series and other trains since 1953, and car 4 carries the red and white livery used on [[Keikyu 800 series|800]], [[Keikyu N1000 series|N1000]] and [[Keikyu 2100 series|2100 series]] trains since 1978.<ref name="keikyu 20180214">{{cite web |url= http://www.keikyu.co.jp/company/news/2017/20180214HP_17238MT.html |script-title=ja: 創立120周年記念日2月25日(日)から特別ラッピング列車「京急120年の歩み号」を運行 |trans-title= Special "Keikyu 120 years of progress" reliveried train to run from 25 February marking 120th anniversary of founding|date= 14 February 2018 |work= News release|publisher= Keikyu|location= Japan|language= Japanese |archiveurl= https://web.archive.org/web/20180215071952/http://www.keikyu.co.jp/company/news/2017/20180214HP_17238MT.html |archivedate= 15 February 2018 |url-status=live |accessdate= 15 February 2018}}</ref>
 
<gallery>
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[[Category:Keikyu|1500 series]]
[[Category:Train-related introductions in 1985]]
[[Category:1500 V DC multiple units of Japan]]
[[Category:Kawasaki multiple units]]
[[Category:Tokyu Car multiple units]]