7kW DC-DC Converter for Commercial Vehicle

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ACU28V7K – 7kW DC/DC Converter


large capacity DC-DC Converter that supplies the power to all the load section of electric parts for large commercial vehicles (electric buses, batter changing electric buses, fuel cell buses, etc.)
A largest-capacity product that can supply 400A (max. 500A) continuously. It has been upgraded through the road tests for 10 years.
All its performance has been proved since the introduction of the eco-friendly commercial vehicle to Korea.

e-primus driving system

  • Galvanically isolated type
  • Maximum efficiency : 96% or higher
  • CAN 2.0 Interface (J1939 Standard)
  • EMC : ECE R10 Satisfied
  • ZVS (Zero Voltage Switching) topology ensures very low switching losses and excellent EMC behavior


Contents Unit Value
Power specifications Input voltage range V 700(550~850)
Rated output voltage 28
Output voltage range 16 ~ 32@±0.25V
Rated output current A 250
Capacity Nominal power capacity kW 7
Peak power capacity 7.5
Environmental conditions Operating temperature range -40 ~ 85
Storage temperature range -40 ~ 105
Type Weight Kg 7
IP class Grade 69K
Size mm 380 X 215 X 97

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