Mitsubishi MR-J4-60A Servo Amplifier

Series#: Mitsubishi

Product Details

Model: MITSUBISHI MELSERVO-J4 SERIES SERVO AMPLIFIER 600W MR-J4-60A – High-performance AC servo drive for precision motion control.
Rated for 3-phase 170 V AC input with 3.2 A rated current, delivering 600W continuous output.
Built-in dynamic brake for enhanced safety and rapid deceleration in critical applications.
Supports fully closed-loop control with Mitsubishi Electric high-speed serial communication encoder interface.
Versatile communication: USB for MR Configurator2 setup and RS-422/RS-485 for multi-axis networking (up to 32 axes).
Compact design with sine-wave PWM control and analog monitor outputs (2 channels) for real-time diagnostics.
100% Genuine and New, rigorously inspected before international dispatch.

Specification

The Mitsubishi MELSERVO-J4 Series Servo Amplifier MR-J4-60A is a 600W AC servo drive engineered for demanding industrial automation tasks, offering robust torque control and high-speed response. This model integrates advanced sine-wave PWM control with current regulation, ensuring smooth operation and minimal electrical noise. Designed for both AC and DC input configurations, the MR-J4-60A supports a wide voltage range and features a built-in dynamic brake for reliable stopping. Its fully closed-loop control capability, combined with a load-side encoder interface using Mitsubishi Electric’s high-speed serial communication, enables precise position feedback. The amplifier also includes USB connectivity for easy configuration via MR Configurator2 and RS-422/RS-485 for multi-axis synchronization. Below are the detailed technical specifications derived from the official manual.

Parameter	Specification (MR-J4-60A)
Rated Voltage (AC Input)	3-phase 170 V AC
Rated Current (AC Input)	3.2 A
Voltage/Frequency (AC Input)	3-phase or 1-phase 200 V AC to 240 V AC, 50 Hz/60 Hz
Voltage (DC Input)	283 V DC to 340 V DC
Rated Current (DC Input, Note 11)	3.2 A (Note 5)
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%
Power Supply Capacity (kVA)	Refer to section 10.2
Inrush Current (A)	Refer to section 10.5
Interface Power Supply Voltage	24 V DC ± 10%
Interface Power Supply Current Capacity	0.5 A (including CN8 connector signals, Note 1)
Control Method	Sine-wave PWM control, current control method
Dynamic Brake	Built-in
Fully Closed Loop Control	Compatible (Note 9)
Load-Side Encoder Interface	Mitsubishi Electric high-speed serial communication
Communication Function	USB: Connection to PC (MR Configurator2-compatible); RS-422/RS-485: 1:n communication (up to 32 axes, Notes 7, 13)
Encoder Output Pulses	Compatible (A/B/Z-phase pulse)
Analog Monitor	Two channels