Astra IVA
| Astra IVA | |
|---|---|
Astra IVA unit 003, one of the oldest still in use, at Străulești in 2019. This unit was made in 1978, being the first from the production series. | |
Interior of an Alstom-refurbished IVA trainset, July 2011 | |
| In service | 1979–present |
| Manufacturer | Întreprinderea de Vagoane Arad (IVA) |
| Constructed | 1976, 1978–1992 |
| Entered service | 16 November 1979 |
| Refurbished | 1994–1996 (FAUR), 2000–2003, 2008, 2011–2014 (Alstom) |
| Scrapped | 2007– |
| Number built | 504 cars (250 2-car sets + 2 prototype sets) |
| Formation | Married pairs |
| Fleet numbers | 001–252 (001* and 002* prototypes) |
| Capacity | 332 (68 seated, 264 standing) |
| Operators | Bucharest Metro |
| Depots | Ciurel/Semănătoarea, Pantelimon, Berceni, Militari |
| Lines served | M3, M4 |
| Specifications | |
| Train length | 38 m (124 ft 8+1⁄16 in) |
| Car length | 19 m (62 ft 4+1⁄16 in) |
| Width | 3.1 m (10 ft 2+1⁄16 in) |
| Height | 3.6 m (11 ft 9+3⁄4 in) |
| Doors | 4 doors per side/car |
| Maximum speed | 80 km/h (50 mph) |
| Weight | 72 t (71 long tons; 79 short tons) |
| Traction system | DC |
| Traction motors | 4 × 215 kW (288 hp) |
| Power output | 860 kW (1,150 hp) |
| Acceleration | 1.3 m/s2 (4.3 ft/s2) |
| Deceleration |
|
| HVAC | Driver Only |
| Electric system(s) | 750 V DC third rail |
| Current collector(s) | Contact shoe |
| UIC classification | B′B′+B′B′ |
| Safety system(s) | INDUSI (ATP), Siemens TBS100FB (ATO/ATP) |
| Coupling system | Non-electric |
| Multiple working | Yes (before refurbishment), No (after refurbishment) |
| Track gauge | 1,432 mm (4 ft 8+3⁄8 in) |
| Notes/references | |
Astra IVA is a family of metro train used by Bucharest Metro, of which 504 cars (252 two-car sets) were built between 1976 and 1993 by Întreprinderea de Vagoane Arad (IVA) in Arad, Romania. Internally they are known as the BM1 (Bucharest Metro 1st generation).