Propulsion and auxiliary converter
for diesel-electric rail vehicles


KONTRAC GP550DE converts the variable voltage from diesel generator into drive power for the traction motors, three-phase auxiliary power supply for the train onboard consumers and into DC auxiliary power supply for charging train batteries and supplying of all DC consumers on board the vehicle.

KONTRAC GP550DE is a robust and solid unit incorporating modern IGBT technology.


  • Modular design of power units
  • High energy efficiency
  • Roof mounting
  • Easy maintenance
  • Motor friendly
  • Integrated auxiliary converter
  • Integrated battery charger
  • Latest IGBT technology
  • Liquid cooling system
  • Galvanic isolated output

Basic technical data

Input voltage 1000 VDC – 2000 VDC
Propulsion output 475 kW
AC outputs 3 x 400 V, 50 Hz, 55 kVA230 V, 50 Hz, 2,3 kVA
DC output 24 VDC, 10 kW
Cooling Liquid cooled
Size 3195 x 1820 x 715 mm
Weight 1485 kg
Connecting interface CAN / MVB / Ethernet
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KONČAR INEM is leading regional manufacturer of Electronics and power electronics devices and systems for Energy and transportation sectors and ICT solutions.
If you have any questions about our products, please do not hesitate to contact us!
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