Key Specifications
Model: MR-J3-CR55K4

Series: MR-J3 (High-Capacity AC Servo System)

Rated Output: 55kW

Input Power: 3-phase 400V AC (50/60Hz)

Control Modes:

Position control

Speed control

Torque control

Feedback System: Supports absolute/incrmental encoders (17-bit or higher)

Communication Interface:

SSCNET III (High-speed fiber optic network)

CC-Link IE Field Network compatible

Protection Functions:

Overcurrent/overvoltage protection

Overload protection

Dynamic brake

Ground fault protection

Cooling Method: Forced air cooling

Ambient Temperature: 0°C to 55°C (operating)

Technical Features
✔ High Power Density - Compact design for 55kW output
✔ Advanced Control - Auto-tuning and vibration suppression
✔ Network Compatibility - Seamless integration with Mitsubishi automation systems
✔ Robust Construction - Designed for harsh industrial environments
✔ Energy Efficient - Regenerative braking capability

Compatible Motors
Mitsubishi HG-JR series large-capacity servo motors

Mitsubishi HG-MR series high-response motors

Customizable for specific motor configurations

Typical Applications
Large CNC machine tools

Heavy industrial robotics

Press machines

Injection molding machines

Material handling systems

Steel/paper processing equipment