BVG Class HK
| BVG Class HK | |
|---|---|
|  A HK-type train | |
| In service | 2001–present | 
| Manufacturer | |
| Built at | Hennigsdorf, Brandenburg, Germany | 
| Constructed | 1999–2006 | 
| Entered service | 2001 | 
| Number built | 24 | 
| Formation | 4 per train set DT–M–M–DT | 
| Fleet numbers | 1001–1024 | 
| Capacity | 296 seated; 1,624 standing; 2 PIW spaces | 
| Operators | Berliner Verkehrsbetriebe | 
| Lines served | U1 U2 & U3 | 
| Specifications | |
| Car body construction | Aluminium-alloy double-skinned construction | 
| Maximum speed | 80 km/h (50 mph) | 
| Weight | 226.8t /335.9 t (laden) | 
| Traction system | Bombardier MITRAC IGBT-VVVF | 
| Power output | 2.24 MW (3,000 hp) | 
| Transmission | WN Drive | 
| Acceleration | 1.0 m/s2 | 
| Deceleration | 1.2 m/s2 (service) 1.3 m/s2 (emergency) | 
| Auxiliaries | IGBT–VVVF Auxiliary Inverter with Battery Charger 80 kVA–16 kW | 
| Electric system(s) | 750 V DC third rail | 
| Current collection | Contact shoe | 
| Braking system(s) | Regenerative Braking, Resistor Braking, Air Brakes | 
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge | 
The BVG Class HK is a type of electric multiple unit in service on the Berlin U-Bahn. It is operated by Berliner Verkehrsbetriebe (BVG) (Berlin Transport Company).
The HK is a Kleinprofil (small profile) variant of the larger Großprofil (large profile) H series.
Production history
Operational history
The HK series primarily operates on the U2 line.