| Tobu 100 series Spacia | |
|---|---|
 Set 104 in July 2021 | |
| In service | 1990–present |
| Manufacturer | Alna Kōki,Tokyu Car Corporation |
| Replaced | 1720 series |
| Constructed | 1989–1991 |
| Entered service | 1 June 1990 |
| Refurbished | 2011–2012 |
| Number built | 54 vehicles (9 sets) |
| Number in service | 54 vehicles (9 sets) |
| Successor | Tobu N100 series |
| Formation | 6 cars per trainset |
| Fleet numbers | 101–109 |
| Operators | Tobu Railway |
| Depots | Kasukabe |
| Lines served | Tobu Skytree Line,Tobu Nikko Line,Tobu Kinugawa Line,Tohoku Main Line |
| Specifications | |
| Car body construction | Aluminium[1] |
| Car length | 20 m (65 ft 7 in) |
| Doors | Slidingplug door, one per side |
| Traction system | GTO-VVVF |
| Electric system(s) | 1,500 V DC |
| Current collector(s) | Overhead line |
| Safety system(s) | Tobu ATS,ATS-P (three sets) |
| Track gauge | 1,067 mm (3 ft 6 in) |
| Notes/references | |
 | |
TheTobu 100 series (Japanese:東武100系,romanized: Tōbu 100-kei), brandedSpacia (スペーシア), is a limited expresselectric multiple unit (EMU) train type operated by theprivate railway operatorTobu Railway in Japan since 1990. The trains are used onKegon,Spacia Nikko,Kinu, andSpacia Kinugawa services to Nikkō and Kinugawa-Onsen.[2]
As of 1 April 2012[update], the fleet consists of nine sets, based at Kasukabe Depot, and formed as follows.[1]
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Designation | Mc2 | M4 | M3 | M2 | M1 | Mc1 |
| Numbering | 100-6 | 100-5 | 100-4 | 100-3 | 100-2 | 100-1 |
Seat pitch is 1,100 mm (43 in). Car 6 contains six 4-seat compartments. These are marked as "Green cars" when operating on JR lines.[3]
The 100 series trains entered service on 1 June 1990 onKegon andKinu services fromAsakusa in Tokyo toNikkō andKinugawa-Onsen, replacing the ageing1720 series trains operating since 1960. Two sets were delivered in fiscal 1989, two more were delivered in fiscal 1990, and five were delivered in fiscal 1991, bringing the fleet to nine sets.[3]
All cars were made no-smoking from 18 March 1995.[1]
On 11 November 2021, Tobu announced that the 100 series fleet would be replaced with newN100 series trains[4] which entered service on 15 July 2023.[5]
Through-runningSpacia Nikkō andSpacia Kinugawa services fromShinjuku in Tokyo to Tōbu Nikkō and Kinugawa-Onsen via the JRTōhoku Main Line commenced on 18 March 2006, and three sets (106 to 108) were modified withJR ATS-P for use on JR East lines.[3]
The fleet underwent a programme of refurbishment from December 2011, ahead of the opening of theTokyo Skytree in May 2012. Three trains each were repainted into three different colour schemes, with "miyabi" purple, "iki" light blue, and "sunny coral orange", matching the Tokyo Skytree theme colours, and new "Spacia" logos. Internally, the seats feature newmoquette, with blue in the open saloons and brown in the compartments.[6] The first refurbished set re-entered service from 29 December 2011.[7]
| Set No. | Colour scheme | Date refurbished | Notes |
|---|---|---|---|
| 101 | "Deluxe Romance Car" maroon/beige | 29 June 2012[8] | Reliveried from "iki" blue in December 2021 |
| 102 | "miyabi" purple | 28 March 2012[9] | |
| 103 | "Nikko Moude Spacia" gold/black | 2 March 2012[9] | Reliveried from "sunny coral" orange in April 2015 |
| 104 | "sunny coral" orange | 28 September 2012[10] | |
| 105 | "miyabi" purple | 28 December 2011[9] | |
| 106 | "Nikko Moude Spacia" gold/black | 25 July 2012[10] | Reliveried from "sunny coral" orange in July 2015 |
| 107 | "miyabi" purple | 31 May 2012[8] | |
| 108 | "iki" blue | 27 April 2012[8] | |
| 109 | "Strawberry Spacia" pink/red | 3 February 2012[9] |
|
Set 103 was repainted in a special gold and black livery and branded "Nikko Moude Spacia" (日光詣スペーシア) from April 2015.[11] This was followed in July 2015 by set 106, which was similarly reliveried.[12]
In December 2021, to commemorate the 30th anniversary of the introduction of the 100 series, set 101 was repainted in a maroon and beige livery inspired by that of the 1720 series sets they replaced.[13]
Set 109 was repainted in the original 100 series livery from June 2021.[14]
Set 109 returned to service on 24 December 2023 in a pink and red "Strawberry Spacia" (いちごスペーシア) livery to commemorate the 150th anniversary of the founding of Tochigi Prefecture.[15]
Tobu Railway trainsets | ||
|---|---|---|
| Commuter |  | |
| Express | ||
| Withdrawn types | ||