Hitachi RCU-4030 Regenerative Converter

  • Series: RCU Regenerative Converter Unit
  • 400 V Class
  • 30 kW (40 HP) Rated Capacity
  • Three-Phase, 25 % ED Duty

SPECIFICATIONS

Model Name RCU-4030
Series RCU Series Regenerative Converter Unit
Voltage Class 380 – 480 V AC (3-Phase, 50/60 Hz)
Rated Power 30 kW (40 HP)
Rated DC Input Current (Id) 60 A (average)
Rated AC Output Current (In) 45 A rms (100 s / 400 s cycle)
Continuous Output Current (Ic) 22 A rms
Regenerative Torque 150 % for 30 s / 100 % for 100 s / 80 % continuous
Duty Cycle 25 % ED (100 s ON / 400 s cycle)
Control Method PWM current control method
Protection Functions Over-current, Over-voltage, Overload, Overheat, Phase Imbalance, Emergency Stop
Enclosure Rating IP20 (Natural air cooling)
Mounting Style Vertical Wall or Panel Mount (KE3 Frame)
Dimensions (W × H × D) 195 × 425 × 210 mm (7.68 × 16.73 × 8.27 in)
Weight Approx. 14 kg (30.9 lb)
Ambient Temperature Range –10 °C to +40 °C (Operation) / –20 °C to +65 °C (Storage)
Humidity < 90 % (non-condensing)

Manuals and Specifications

Instruction Manual
Hitachi RCU Series Regenerative Converter Unit Instruction Manual (HAL1057C)

SERIES DESCRIPTION

The Hitachi RCU-4030 is a 400 V class regenerative converter unit designed to return energy from braking to the AC power line, reducing heat loss and improving overall system efficiency. It pairs with Hitachi SJ700 and similar inverters to enable clean, efficient regenerative operation in industrial drive applications.

Features

  • 400 V class converter for 30 kW (40 HP) inverters
  • Regenerative energy feedback to AC mains for energy savings
  • Compact KE3 frame for panel or wall mount installation
  • Integrated protection for thermal, over-voltage and over-current faults
  • 25 % ED duty cycle for cyclic energy recovery applications

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