Mitsubishi Electric
- Available:
- 3 pcs.In-StockUpdated at: 04-09-2026
- Offer from:
Trusted supplier — Germany, member since 2024
- Warranty:
- 24 months
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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.
Mitsubishi Electric

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