| E721/SAT721 series | |
|---|---|
E721-0 series (right) and SAT721 series (left), August 2007 |
|
| In service | 2007–Present |
| Manufacturer | Kawasaki Heavy Industries, Tokyu Car Corporation |
| Constructed | 2006–2010 |
| Number built | 102 vehicles (51 sets) |
| Number in service | 98 vehicles (49 sets) |
| Number scrapped | 4 vehicles (2 sets) |
| Formation | 2-cars per set |
| Fleet numbers | P1–P44, P501–P504, SA101–SA103 |
| Operator | JR East |
| Depot(s) | Sendai |
| Line(s) served | Tōhoku Main Line, Jōban Line, Senzan Line, Sendai Airport Line |
| Specifications | |
| Car body construction | Stainless steel |
| Doors | 3 pairs per side |
| Maximum speed | 120 km/h (75 mph) |
| Weight | 74.4 t per set |
| Power output | 500 kW per motor |
| Electric system(s) | 20 kV AC (50Hz) |
| Current collection method | overhead catenary |
| Safety system(s) | ATS-Ps |
| Multiple working | 701 series |
| Gauge | 1,067 mm (3 ft 6 in) |
The E721 series (E721系) is an electric multiple unit train type operated by East Japan Railway Company (JR East) on services in the Sendai area of Japan since 2006.[1]
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The first E721-0 series sets were delivered from December 2006, and entered service on 1 February 2007 on Tōhoku Main Line services.[2] The first E721-500 and SAT721 series sets were delivered from February 2006 and entered service on 18 March 2007.[2]
Two sets, P1 and P19, were derailed and badly damaged by the 2011 Tōhoku earthquake and tsunami on 11 March 2011, and were withdrawn.[2]
Media related to [//commons.wikimedia.org/wiki/Category:JR_East_E721 JR East E721] at Wikimedia Commons
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