290kW Heavy automotive drive inverter

EPC’s RS series of power inverters enable high performance integration of permanent magnet or induction motors into harsh-duty automotive applications. 

What makes the RS line so special?  It was designed from the ground-up for class 3 to class 8 trucks, with the knowledge that torque is king, reliability is not optional, and integration must be dead-simple.

Unlike passenger-grade inverters, RS inverters are designed for longevity in the face of severe thermal cycling resulting from repeated full-torque requests.  These demanding applications are exactly why RS inverters were made.

The RS-11 is designed for longevity.  Both powerful and rugged, the RS-11 was designed for harsh-duty drive cycles found specifically in truck or military applications.  

Specs at a Glance

Continuous ratings:

  • Battery Voltage: up to 800 VDC
  • DC Current Rating: 362 ADC
  • AC Current Rating: 350 ARMS


  • Height: 6.0”
  • Width: 20.1”
  • Depth: 9.3” 


  • 25-50% EGM or PGW
  • 8 liters per minute


  • Integrated
Electrical Specifications
RS - 11
DC voltage range 48 - 800 VDC
Peak (continuous) output power 290 kW (388 HP)
Peak (continuous) AC current 350 ARMS
Peak (continuous) DC current 362 ADC
Control Power 24VDC [18V-27V range], 25W
Environmental Specifications
Ambient temperature (operation) -40°C to +85°C
Ambient temperature (storage) -40°C to +85°C
IP classification IP 67
Humidity 100% (condensing ok)
Max elevation 2,000m [6,500 ft]
Airborne noise <55 dBA
Cooling Liquid
Permissible coolant 25-50% EGW or PGW | corrosion inhibitors per ASTM D6210
Coolant temperature range -40°C to +70°C (de-rating applies above +50°C)
Temperature de-rating 1% /°C from +50°C to +70°C coolant inlet
General Specifications
Maximum dimensions (H x W x D) 150mm x 512mm x 235mm (6.0” x 20.1” x 9.3”)
Weight 20 kg [45 lb]
Coolant connections 1/2" ID hose
Control interface CAN
Contactors Integrated
Warranty 2 year standard | 5 and 10 year available