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MR-J3-DU30KA4

The MR-J3-DU30KA4 is a high-performance servo drive unit from Mitsubishi's MR-J3 series, designed for large-scale industrial automation systems requiring precise motion control with high-power servo motors.

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Key Specifications
Model Type: MR-J3-DU30KA4

Series: MR-J3 (SSCNET III compatible)

Rated Output: 30kW

Max. Output Current: 120A (continuous), 360A (instantaneous)

Power Supply Requirements:

Main Circuit: 3-phase AC 200-230V (±10%), 50/60Hz

Control Circuit: 1-phase AC 200-230V (±10%), 50/60Hz

Control Modes: Position/Speed/Torque control

Feedback System: Supports 22-bit absolute encoder (4,194,304 pulses/rev)

Communication Interface: SSCNET III high-speed fiber optic network (10Mbps)

Main Features
High-Precision Control

2.5kHz high-speed response

Advanced vibration suppression control

Adaptive Filter II for mechanical resonance suppression

Auto-tuning function for optimal servo performance

Network Connectivity

SSCNET III interface for real-time communication

Supports synchronous control of up to 32 axes

Compatible with Mitsubishi Q series motion controllers

Protection Functions

Overcurrent/Overvoltage protection

Dynamic brake function

Regenerative resistor overload protection

Encoder error detection

Ground fault protection

Enhanced Usability

Large capacity for heavy-duty applications

Built-in EMC filter

Simple gain adjustment via front panel

Physical Specifications
Dimensions: 350mm(W) × 450mm(H) × 180mm(D)

Weight: Approximately 18kg

Cooling Method: Forced air cooling (fan-equipped)

Mounting: Panel-mounted installation

Environmental Specifications
Operating Temperature: 0°C to +55°C

Storage Temperature: -20°C to +65°C

Humidity: 20-90% RH (non-condensing)

Vibration Resistance: 4.9m/s² (10-55Hz)

Protection Class: IP20