521 series
| 521 series | |
|---|---|
| A JR West 521-0 series EMU first build train | |
| Manufacturer | |
| Replaced | |
| Constructed | 2006– | 
| Entered service | November 2006 | 
| Number built | 164 vehicles (82 sets) | 
| Number in service | 160 vehicles (80 sets) (as of 1 April 2021) | 
| Formation | 2 cars per trainset | 
| Fleet numbers | 
 | 
| Operators | |
| Depots | Tsuruga, Kanazawa | 
| Lines served | |
| Specifications | |
| Car body construction | Stainless steel | 
| Car length | 20,100 mm (65 ft 11 in) | 
| Width | 2,950 mm (9 ft 8 in) | 
| Height | 3,630 mm (11 ft 11 in) | 
| Floor height | 1,120 mm (3 ft 8 in) | 
| Doors | 3 pairs per side | 
| Maximum speed | 120 km/h (75 mph) | 
| Traction system | Variable frequency (3-level IGBT) | 
| Power output | 230 kW (308 hp) per motor | 
| Electric system(s) | 1,500 V DC / 20 kV 60 Hz AC (overhead line) | 
| Current collector(s) | WPS28D single-arm pantograph | 
| Bogies | WDT59B (motored), WTR243C (trailer) | 
| Braking system(s) | Electronically controlled pneumatic brakes with regenerative braking, snow-resistant brake | 
| Safety system(s) | ATS-SW, ATS-P | 
| Coupling system | Shibata type | 
| Track gauge | 1,067 mm (3 ft 6 in) | 
The 521 series (521系, 521-kei) is a dual-voltage AC/DC outer-suburban electric multiple unit (EMU) train type operated by West Japan Railway Company (JR West) and third-sector railway operators IR Ishikawa Railway and Ainokaze Toyama Railway on local services in the Fukui and Kanazawa areas since November 2006. In March 2024, Hapi-line Fukui acquired some sets after taking over the section of the Hokuriku Main Line within Fukui Prefecture from JR West.