Mitsubishi MR-J4-40B-RJ

Mitsubishi MR-J4-40B-RJ

Overview

The Mitsubishi MR-J4-40B-RJ is a high-performance 400 W servo amplifier from the MR-J4 Series, designed for precise motion control in demanding automation environments. With SSCNET III/H compatibility and built-in advanced safety functions, it enables high-speed communication and seamless integration with Mitsubishi servo motors and motion controllers.

Key Features

• Rated output: 400 W

• Power supply: 3-phase 200–240 V AC

• SSCNET III/H communication interface

• Built-in RJ45 Ethernet port for system integration

• Advanced vibration suppression and tuning functions

• Integrated safety features (STO - Safe Torque Off)

• Compatible with Mitsubishi HG/LM series servo motors

• Compact design for easy panel installation

Technical Specifications

• Model: MR-J4-40B-RJ

• Series: MR-J4

• Rated Capacity: 400 W

• Rated Output Current: 2.8 A

• Power Supply: 3-phase 200–240 V AC (50/60 Hz)

• Communication: SSCNET III/H, RJ45

• Control Mode: Position, speed, torque

• Feedback: Absolute/incremental encoder support

• Ambient Temperature: 0–55 °C

• Cooling: Forced air

• Mounting: Panel (vertical)

• Weight: Approx. 1.3 kg

• Safety: STO (IEC/EN 61800-5-2 compliant)

Applications

• Precision packaging and labeling equipment

• Robotics and pick-and-place systems

• High-speed assembly machinery

• Semiconductor and electronics manufacturing

• CNC and machine tool automation

Why Choose the MR-J4-40B-RJ

• High-precision control with advanced tuning functions

• Fast communication via SSCNET III/H and Ethernet

• Compact size reduces cabinet space

• Safety-compliant for industrial requirements

• Backed by Mitsubishi’s leading servo drive technology

Order Now

The Mitsubishi MR-J4-40B-RJ servo amplifier is available and ships worldwide.

Explore more models in our Mitsubishi Servo Drivers collection for high-performance motion control solutions.

For additional Mitsubishi automation equipment, visit the Mitsubishi Main Category.

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply