Mitsubishi Electric MR-J4 Servo Motors and Amplifiers Selection Guide

Selection guide for Mitsubishi Electric MR-J4 servo motors and amplifiers with specs, interface options, and installation notes.

Brand: Mitsubishi Electric
Category: Industrial Robot
Document type: Product Leaflet
Language: English
Pages: 24
File format: PDF
File size: 1.3 MB
Published: 01 October, 2026
Updated: 01 October, 2026
MD5 checksum: 31151CF2A40AAF2BE0C5252E8941E6F6
PDF: Mitsubishi Electric MR-J4 Servo Motors and Amplifiers Selection Guide PDF

About this manual

The MR-J4 series offers a wide range of servo motors and amplifiers from 50 W up to 55 kW, providing high power, performance, and flexibility for industrial automation. The guide lists compatible motor series, power‑supply requirements, and supported communication interfaces such as EtherCAT®, EtherNet/IP™ and PROFINET®.

Technical data, wiring diagrams, and safety information are presented for each amplifier type (e.g., MR-J4‑B‑RJ, MR-J4‑GF, MR-J4‑TM) along with recommended setup software (MR Configurator2) and environmental limits.

What's inside

Selection Guide Overview
Servo Amplifier Types
Power Supply Options
Communication Interface Options
Technical Specifications
Safety and Protective Functions
Environmental Conditions

Specifications

Rated Output Range	50 W – 55 kW
Main Circuit Power Supply (3‑phase)	200 VAC
Supported Interfaces	EtherCAT®, EtherNet/IP™, PROFINET®
Ambient Temperature Range	0 °C to 55 °C

Frequently asked questions

Is a dynamic brake included in all MR‑J4 amplifiers?

Dynamic brakes are removed from amplifiers rated 7 kW or smaller; larger units may have an external optional brake.

Download PDF (1.3 MB)