Mitsubishi MR-J4-20B-RJ

Mitsubishi MR-J4-20B-RJ Digital AC-Servo Amplifier

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Mitsubishi MR-J4-20B-RJ MR-J4-20B-RJ Digital AC-Servo Amplifier — Servomotors & Servo Drives
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Product Description

RoHS CompliantLifecycle Status:

The Mitsubishi MR-J4-20B-RJ Digital AC-Servo Amplifier is designed for precision control of 200W motors in industrial automation applications. This advanced servo amplifier is part of the renowned MELSERVO-J4 series, offering exceptional performance and reliability. With a single-axis configuration and compatibility with both single-phase and three-phase 230V power supplies, it provides versatile installation options.

Featuring a built-in dynamic brake, the MR-J4-20B-RJ ensures rapid and safe stopping of the motor, enhancing operational safety. The amplifier is equipped with the Safe Torque Off (STO) function, compliant with IEC/EN 61800-5-2, providing an additional layer of safety by preventing unexpected motor operation.

The compact design, with dimensions of 40mm width, 168mm height, and 135mm depth, allows for easy integration into various control panels and machinery. Weighing only 0.8 kg, it is lightweight yet robust, ensuring long-term durability. The MR-J4-20B-RJ is fully compliant with international standards, including CE, UL/cUL, EAC, and UKCA, ensuring global applicability and adherence to stringent quality requirements.

Applications for the MR-J4-20B-RJ include robotics, packaging machinery, conveyor systems, and other automated processes requiring precise motor control. Its advanced features and compliance with environmental directives, such as RoHS and REACH, make it an eco-friendly choice for modern industrial setups.

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Offer details

Best offer from:
Trusted supplier — United Kingdom, member since 2023
Availability:
1 pc.
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

Rated Capacity
0.2 kW
Power Supply
1PHASE 230V, 3PHASE 230V
Safety Function Type
STO (IEC/EN 61800-5-2)
CE
COMPLIANT
UL/cUL
COMPLIANT
EAC
COMPLIANT

Available Offers

(7)
MR-J4-20B-RJ Mitsubishi Electric, Servomotors & Servo Drives

Mitsubishi Electric

Available:
3 pcs.
In-Stock
Updated at: 04-09-2026
Offer from:
Trusted supplier — Germany, member since 2024
Warranty:
24 months
MR-J4-20B-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
MR-J4-20B-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

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Documents

Data Sheet

Datasheet for Mitsubishi Electric MR-J4-20B-RJ, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

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