Mitsubishi MR-J4-200B Servo Amplifier

Series#: Mitsubishi

Product Details

MITSUBISHI MR-J4-200B – 2kW MELSERVO-J4 Series Servo Amplifier for high-performance motion control.
Advanced Sine-wave PWM control with current control method for ultra-smooth motor operation.
Built-in dynamic brake on MR-J4-200B ensures safe, rapid deceleration in emergency stops.
Supports SSCNET III/H communication with cycle times down to 0.222 ms for real-time synchronization.
Fully closed-loop control compatible, with load-side encoder interface using Mitsubishi Electric high-speed serial communication.
Functional safety STO (IEC/EN 61800-5-2) integrated for operator protection in industrial environments.
100% Genuine and New, rigorously inspected before international dispatch.

Specification

The MITSUBISHI MR-J4-200B is a 2kW servo amplifier from the renowned MELSERVO-J4 Series, engineered for demanding automation applications requiring precise torque, speed, and position control. This unit combines robust power handling with advanced digital communication, making it ideal for CNC machinery, robotics, and packaging lines. With a rated output current of 11 A and support for both 3-phase and 1-phase AC input (200 V to 240 V), the MR-J4-200B delivers reliable performance across a wide voltage range. Its built-in dynamic brake and comprehensive protective functions ensure system integrity, while the SSCNET III/H interface enables high-speed multi-axis synchronization. The amplifier is fully compatible with Mitsubishi Electric’s MR Configurator2 software for easy setup and diagnostics via USB.

Parameter	Specification (MR-J4-200B)
Output Rated Voltage	3-phase 170 V AC
Rated Current [A]	11
Power Supply Input Voltage/Frequency (AC)	3-phase or 1-phase 200 V AC to 240 V AC, 50 Hz/60 Hz
Power Supply Input Voltage (DC)	283 V DC to 340 V DC
Rated Current at AC Input [A]	10.5
Permissible Voltage Fluctuation (AC)	3-phase or 1-phase 170 V AC to 264 V AC
Permissible Voltage Fluctuation (DC)	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
Control Circuit Power Supply Input Voltage/Frequency	1-phase 200 V AC to 240 V AC, 50 Hz/60 Hz
Control Circuit Power Supply Input Voltage (DC)	283 V DC to 340 V DC
Control Circuit Rated Current [A]	0.2
Control Circuit Power Consumption [W]	30
Control Circuit Inrush Current [A]	Refer to section 10.5
Interface Power Supply Voltage	24 V DC ± 10%
Interface Current Capacity [A]	0.3 (including CN8 connector signals, Note 1)
Control Method	Sine-wave PWM control, current control method
Dynamic Brake	Built-in
SSCNET III/H Communication Cycle	0.222 ms, 0.444 ms, 0.888 ms
Fully Closed Loop Control	Compatible (Note 7)
Scale Measurement Function	Compatible (Note 10)
Load-side Encoder Interface	Mitsubishi Electric high-speed serial communication
Communication Function	USB: connection to PC (MR Configurator2-compatible)
Encoder Output Pulses	Compatible (A/B/Z-phase pulse)
Analog Monitor	Two channels
Protective Functions	Overcurrent shut-off, regenerative overvoltage shut-off, overload shut-off (electronic thermal), servo motor overheat protection, encoder error protection, regenerative error protection, undervoltage protection, instantaneous power failure protection, overspeed protection, error excessive protection, magnetic pole detection protection, linear servo control fault protection
Functional Safety	STO (IEC/EN 61800-5-2)