Mitsubishi MR-J4-70B-RJ

Mitsubishi MR-J4-70B-RJ Digital AC-Servo Amplifier

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Mitsubishi MR-J4-70B-RJ MR-J4-70B-RJ Digital AC-Servo Amplifier — Servomotors & Servo Drives
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Product Description

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The Mitsubishi MR-J4-70B-RJ Digital AC-Servo Amplifier is designed for high-precision motion control applications. This advanced servo amplifier is part of the renowned MELSERVO-J4 series, providing exceptional performance and reliability. With a rated power of 0.75 kW, it is suitable for single-axis control, making it ideal for a wide range of industrial automation tasks.

Equipped with a built-in dynamic brake, the MR-J4-70B-RJ ensures rapid and safe stopping of the motor, enhancing operational safety. The amplifier supports both single-phase and three-phase 230V power supplies, offering flexibility in various installation environments. Its compact design, with dimensions of 60mm width, 168mm height, and 185mm depth, allows for easy integration into existing systems.

The MR-J4-70B-RJ features the STO (Safe Torque Off) function, compliant with IEC/EN 61800-5-2, ensuring a high level of safety in critical applications. Additionally, it meets international standards such as CE, UL/cUL, EAC, and UKCA, guaranteeing compatibility and compliance with global regulations.

This servo amplifier is designed for use in various applications, including robotics, CNC machinery, and automated production lines, where precise and reliable motion control is essential.

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Offer details

Best offer from:
Trusted supplier — United Kingdom, member since 2023
Availability:
5 pcs.
In-Stock
Updated at: 05-09-2026
Warranty:
12 months
Condition:
New Surplus
New Surplus - A new, unused, undamaged item without a manufacturer guarantee. The item may come without original packaging or in replacement packaging. If provided, the box may have been opened.
The Seller is responsible for shipping the product and invoicing

Specifications

Series
MELSERVO-J4
Type
MR-J4
Rated Power
0.75 kW
Number of Axes
1
Safety Function Type
STO (IEC/EN 61800-5-2)
Power Supply
1PHASE 230V, 3PHASE 230V

Available Offers

(8)
MR-J4-70B-RJ Mitsubishi Electric, Servomotors & Servo Drives

Mitsubishi Electric

Available:
6 pcs.
In-Stock
Updated at: 04-09-2026
Offer from:
Trusted supplier — Germany, member since 2024
Warranty:
24 months
MR-J4-70B-RJ Mitsubishi Electric, Servomotors & Servo Drives

Mitsubishi Electric

Available:
1 pc.
In-Stock
Updated at: 04-09-2026
Offer from:
Trusted supplier — Germany, member since 2024
Warranty:
24 months
MR-J4-70B-RJ Mitsubishi Electric, Servomotors & Servo Drives

Mitsubishi Electric

Available:
1 pc.
On Request
Updated at: 22-08-2026
Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees

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Documents

Data Sheet

Datasheet for Mitsubishi Electric MR-J4-70B-RJ, including specifications and features.

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