Mitsubishi MR-J4-40A Servo Amplifier

Series#: Mitsubishi

Product Details

Product Model: MITSUBISHI MELSERVO-J4 SERIES SERVO AMPLIFIER 400W MR-J4-40A – Precision-engineered for high-speed, high-torque industrial automation.
Advanced Sine-Wave PWM Control – Delivers ultra-smooth motor operation and superior energy efficiency.
Built-in Dynamic Brake – Ensures rapid, safe deceleration for critical motion control applications.
Fully Closed-Loop Control Compatible – Supports high-accuracy positioning with load-side encoder feedback.
Versatile Communication Interfaces – USB for local setup and RS-422/RS-485 for multi-axis networking (up to 32 axes).
Wide Input Voltage Range – Operates on 3-phase or 1-phase 200–240 V AC, with DC input option for flexible power integration.
Guaranteed 100% Original factory condition, offering fast and secure worldwide delivery.

Specification

The MITSUBISHI MELSERVO-J4 SERIES SERVO AMPLIFIER 400W MR-J4-40A is a high-performance AC servo drive designed for demanding motion control tasks in manufacturing lines, robotics, and precision machinery. This amplifier integrates cutting-edge sine-wave PWM control with a robust current control method, ensuring minimal torque ripple and exceptional dynamic response. With a rated output of 400W and support for both AC and DC power inputs, the MR-J4-40A offers unparalleled flexibility for global installations. It features a built-in dynamic brake for safe stopping, fully closed-loop capability for sub-micron accuracy, and dual communication channels (USB and RS-422/RS-485) for seamless integration into existing automation architectures. The unit is engineered for reliability under fluctuating line conditions, with a permissible voltage tolerance of 170–264 V AC and a wide frequency range of ±5%.

Parameter	Specification for MR-J4-40A
Rated Voltage (AC Input)	3-phase or 1-phase 200 V AC to 240 V AC, 50/60 Hz
Rated Voltage (DC Input)	283 V DC to 340 V DC
Rated Current (AC Input)	1.5 A
Rated Current (DC Input)	1.5 A
Permissible Voltage Fluctuation (AC Input)	3-phase or 1-phase 170 V AC to 264 V AC
Permissible Voltage Fluctuation (DC Input)	241 V DC to 374 V DC
Permissible Frequency Fluctuation	Within ±5%
Interface Power Supply Voltage	24 V DC ± 10%
Interface Power Supply Current Capacity	0.5 A (including CN8 connector signals)
Control Method	Sine-wave PWM control, current control method
Dynamic Brake	Built-in
Fully Closed Loop Control	Compatible
Load-Side Encoder Interface	Mitsubishi Electric high-speed serial communication
Communication Function (USB)	Connection to a personal computer (MR Configurator2-compatible)
Communication Function (RS-422/RS-485)	1: n communication (up to 32 axes)
Encoder Output Pulses	Compatible (A/B/Z-phase pulse)
Analog Monitor	Two channels
Power Supply Capacity [kVA]	Refer to section 10.2 of the manual
Inrush Current [A]	Refer to section 10.5 of the manual