Key Features
High-Power Performance

350A continuous current rating

3-phase 200-230V AC input (50/60Hz)

High overload capacity (350% for 50ms)

Advanced Control Technology

SSCNET III/H high-speed network interface

22-bit high-resolution encoder support

Advanced vibration suppression control

Auto-tuning function for optimal servo performance

System Integration

Compatible with MR-J4 servo motors

Supports Mitsubishi PLC and CNC systems

RJ45 connector for easy network connection

Industrial Durability

Compact, slim design saves cabinet space

IP20 protection (requires proper enclosure)

0°C to 55°C operating temperature range

Smart Functionality

Built-in regenerative resistor

Energy-saving operation modes

Comprehensive diagnostic functions

Technical Specifications
Parameter Specification
Model MR-J4-350A-RJ
Rated Output 350A
Input Voltage 3-phase 200-230V AC (50/60Hz)
Control Method Current/Position/Speed control
Feedback Interface 22-bit absolute encoder
Communication SSCNET III/H (RJ45 connector)
Protection Overcurrent/Overvoltage/Thermal
Dimensions (W×H×D) 145 × 220 × 179 mm
Weight Approx. 5.5kg
Typical Applications
Large industrial robots

Heavy-duty CNC machines

Press machines

Material handling systems

Specialty manufacturing equipment