The HKL Class M300 is a class of metro trains operated by Metropolitan Area Transport Ltd in use on the Helsinki Metro. 20 four-carriage trains were built between 2014 and 2016 by Construcciones y Auxiliar de Ferrocarriles for the Länsimetro extension.[5][6] In November 2019, HKL announced the purchase of five additional trains, delivered in 2022.[7]

HKL Class M300
A M300 train at Ruoholahti Station, July 2017
Interior of a M300 carriage
Interior of a M300 carriage
ManufacturerConstrucciones y Auxiliar de Ferrocarriles (CAF)
AssemblyZaragoza, Spain
Constructed2014–2016, 2022
Entered service2016
Refurbished2021–2022
Number built25 units
Number in service25 units
PredecessorHKL Class M200
Formation4 cars
Fleet numbers301–325
Capacity576 in total, 228 seated
OperatorsHelsinki City Transport
DepotsRoihupelto, Sammalvuori[1]
Lines servedHelsinki Metro: M1, M2
Specifications
Train length88.22 m (289 ft 5+14 in)
Width3.2 m (10 ft 6 in)
Height3.7 m (12 ft 1+1116 in)
Doors3 sets of double doors per car
Wheel diameter850–760 mm (33–30 in) (new–worn)
Maximum speed80 km/h (50 mph)
Traction motors12 × TSA TMR 50-20-4 230 kW (310 hp)[2]
Power output2.76 MW (3,700 hp)
Transmission7.44 : 1 gear ratio[3]
Electric system(s)750 V DC third rail
UIC classificationBo′Bo′+Bo′Bo′+2′2′+Bo′Bo′
Multiple workingMechanically with all Helsinki Metro rolling stock
Track gauge1,522 mm (4 ft 11+2932 in)[4]

The M300 units were ordered in preparation for the automation of the metro, but this has been delayed until the early 2030s, the trains retaining their temporary cabs. The class was refreshed in 2021-2022, with the addition of air-conditioning and an updated driving desk.

Accidents and incidents edit

  • On 27 July 2016, M100 carriage no. 157 was involved in an accident with M300 unit no. 302 when the latter derailed near Itäkeskus metro station during testing.[8]

See also edit

References edit

  1. ^ "Track and depot". Helsingin kaupunki. Retrieved 7 January 2020.
  2. ^ "CAF Metro M300 for Helsinki". Traktionssysteme Austria. Retrieved 28 January 2023.
  3. ^ "cat tecnico GEARBOXES 2-7" (PDF). CAF MiiRA. Retrieved 11 August 2023.
  4. ^ "Perustietoja ja metroasemat" (in Finnish and English). Finnish Railway Society. Retrieved 30 August 2022. Gauge: 1522 mm
  5. ^ "M300". City of Helsinki. Retrieved 7 January 2020.
  6. ^ "Metro Helsinki: Metrojuna / Metro emu Sarja/series M300". Finnish Railway Society. Retrieved 7 January 2020.
  7. ^ "HKL hankkii uusia M300-sarjan metrojunia | HKL". www.sttinfo.fi (in Finnish). 21 November 2019. Retrieved 7 January 2020.
  8. ^ "R2016-04 Collision of metro trains in Itäkeskus, Helsinki, on 27 July 2016". Onnettomuustutkintakeskus (in Finnish). Retrieved 7 January 2020.

External links edit