Mitsubishi MR-J3-500T4: 5kW High-Performance Networked Servo Amplifier

The Mitsubishi MR-J3-500T4 is a powerful 5 kW AC servo amplifier engineered for demanding industrial automation. Operating on 400VAC three-phase power, it delivers robust control for high-torque servo motors. A standout feature is its integrated CC-Link network support, enabling seamless, high-speed communication within factory automation systems for synchronized multi-axis control and simplified wiring.

Complete Product Overview

• Brand & Series: Mitsubishi MELSERVO MR-J3 Series
• Model Number: MR-J3-500T4
• Amplifier Type: High-Power Network AC Servo Amplifier
• Key Feature: 5 kW output with integrated CC-Link field network

Core Technical Specifications

• Rated Output Power: 5 kW
• Supply Voltage: 400 VAC, 3-Phase
• Control Network: Integrated CC-Link Interface
• Control Method: Current Control & Sine-Wave PWM
• Protection Rating: IP00 (Open Chassis)
• Operating Temperature: 0°C to 55°C
• Compliance & Approvals: CE, UL, RoHS Compliant
• Compatible Motors: Mitsubishi Servo Motors (e.g., HC-SFS Series)

Key Features & Benefits

• Integrated Network Connectivity: Built-in CC-Link allows direct connection to a network, enabling real-time control, diagnostics, and reduced wiring compared to pulse-based systems.
• High Power for Demanding Tasks: 5 kW output delivers the torque and speed needed for large machines, heavy loads, and high-throughput applications.
• Precision Control Technology: Advanced sine-wave PWM and current control ensure smooth, efficient, and highly accurate motor operation with minimal torque ripple.
• Global Compliance: CE, UL, and RoHS certifications ensure the product meets international safety, quality, and environmental standards for wide market acceptance.
• Robust Industrial Design: Built to perform reliably in standard industrial environments within its specified temperature range.

Typical Applications

This amplifier is ideal for central factory automation systems requiring networked control:

• Automated assembly lines
• Large material handling robots
• Plastic injection molding machines
• Metal cutting and forming machines
• Packaging and palletizing systems

Compatibility & System Integration

The MR-J3-500T4 is designed to drive compatible 5 kW Mitsubishi servo motors, such as the HC-SFS series. Its primary integration is through the CC-Link network, connecting it to a master station like a Mitsubishi Q Series PLC or a CC-Link dedicated master. This setup allows for centralized parameter setting, monitoring, and control of multiple axes across the factory floor.

Ordering & Service Information

This product is sold as new and original, in factory packaging. It includes a standard 12-month warranty. We ship globally using reliable couriers: FedEx, UPS, and DHL.

Professional FAQs

What is the advantage of CC-Link over a standard pulse interface?

CC-Link is a field network that uses a single cable (often daisy-chained) to connect multiple devices. It simplifies wiring, allows long-distance communication (up to 1.2km), and enables real-time data exchange (device status, parameters) beyond just motion commands.

Does this amplifier require an external braking resistor?

Typically, yes. High-power drives like the 5kW model usually require an external dynamic brake resistor (DBR) to be connected to handle the regenerative energy from the motor during deceleration.

Can I use this drive on a 480VAC power system?

The specification states 400VAC. For use on 480VAC systems, you must verify the amplifier's permissible voltage range from the detailed manual. Using it outside its rated range can cause damage.

What software is used to configure the CC-Link and drive parameters?

Mitsubishi's MR Configurator software is used to set servo parameters. CC-Link network configuration is typically done within the engineering software for the master PLC (e.g., GX Works2 for Mitsubishi PLCs).

Is a separate power supply needed for the control circuit?

Yes. Like most servo amplifiers, it requires a separate 24VDC power supply to energize its control circuits, I/O, and communication interfaces before the main 400VAC power is applied.

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