| Primary brand | Mitsubishi Electric |
| Main function | Regeneration unit |
| Product series / family name | MELSERVO J4 series |
| Functions | Pwr. regeneration converter unit |
| Design | forced ventilation cooling |
| Supply voltage (AC) | 200Vac-240Vac (200V class; 220Vac / 230Vac) |
| Type of network | 3-phase input (3P) |
| Rated current | 238A |
| Rated active power (kW) | 55kW |
| Protection functions | Regenerative overvoltage shut-offoverload shut-off (electronic thermal)Main circuit device overheat error protectionregenerative fault protectionUndervoltage protectionMC drive circuit error protectionOpen-phase detectionInrush current suppression circuit error protectionCooling fan error protection |
| Net Height (mm) | 380 mm |
| Net Width (mm) | 300 mm |
| Net Depth (mm) | 200 mm |
| Degree of protection | IP20 |
| Dimensions | H380mm x W300mm x D200mm |
| Ambient air temperature for operation | 0…+55 °C |
| Ambient air temperature for storage | -20°C…+65 °C |
| Power consumption(auxiliary power consumption) | 30 W |
| Order code / Manufacturer SKU | MR-CV55K |
| Manufacturer product status | Commercialized |
| Equivalent to | MRCV55K |
