Mitsubishi MR-J4-40B Servo Amplifier

Series#: Mitsubishi

Product Details

MITSUBISHI MELSERVO-J4 SERIES SERVO AMPLIFIER 400W MR-J4-40B: High-performance, multi-function servo drive for precision motion control.
Rated for 400W output with 3-phase 170 V AC, delivering smooth, high-torque performance.
Advanced sine-wave PWM control and current control method for ultra-low noise and high efficiency.
Built-in dynamic brake for reliable emergency stops and enhanced safety.
Compatible with SSCNET III/H high-speed communication (0.222 ms to 0.888 ms cycle) for synchronized multi-axis systems.
Integrated STO (Safe Torque Off) functional safety per IEC/EN 61800-5-2 for operator protection.
100% Original product. We provide efficient, traceable, and secure global shipping solutions.

Specification

The MITSUBISHI MELSERVO-J4 SERIES SERVO AMPLIFIER 400W MR-J4-40B is a cutting-edge, fully digital servo drive designed for demanding industrial automation applications. It combines high-speed SSCNET III/H fiber-optic communication with advanced control algorithms, ensuring precise positioning, rapid acceleration, and robust performance in packaging, robotics, and machine tool environments. This unit is engineered for seamless integration with Mitsubishi Electric servo motors and controllers, providing a complete motion control solution.

Parameter	Specification
Output Rated Voltage	3-phase 170 V AC
Rated Current [A]	1.1 A (for MR-J4-10B models), 1.5 A (MR-J4-20B), 3.2 A (MR-J4-60B), 5.8 A (MR-J4-70B), 6.0 A (MR-J4-100B), 11 A (MR-J4-200B), 17 A (MR-J4-350B), 28 A (MR-J4-500B), 37 A (MR-J4-700B), 68 A (MR-J4-11KB), 87 A (MR-J4-15KB), 126 A (MR-J4-22KB)
Power Supply Input (AC)	Standard Models: 3-phase or 1-phase 200 V AC to 240 V AC, 50 Hz/60 Hz; AC Models: 3-phase 200 V AC to 240 V AC
Power Supply Input (DC)	283 V DC to 340 V DC
Permissible Voltage Fluctuation (AC)	Standard Models: 3-phase or 1-phase 170 V AC to 264 V AC; AC Models: 3-phase 170 V AC to 264 V AC
Permissible Voltage Fluctuation (DC)	241 V DC to 374 V DC
Permissible Frequency Fluctuation	Within ±5%
Control Circuit Power Supply Input	1-phase 200 V AC to 240 V AC, 50 Hz/60 Hz (AC); 283 V DC to 340 V DC (DC)
Control Circuit Rated Current [A]	0.2 A (for models up to MR-J4-350B); 0.3 A (for models MR-J4-500B and above)
Control Circuit Power Consumption [W]	30 W (for models up to MR-J4-350B); 45 W (for models MR-J4-500B and above)
Control Method	Sine-wave PWM control, current control method
Dynamic Brake	Built-in (for models up to MR-J4-350B); External option (for models MR-J4-500B and above)
SSCNET III/H Communication Cycle	0.222 ms, 0.444 ms, 0.888 ms
Fully Closed Loop Control	Compatible
Scale Measurement Function	Compatible
Load-Side Encoder Interface	Mitsubishi Electric high-speed serial communication
Communication Function	USB: connection to a personal computer or others (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, and linear servo control fault protection
Functional Safety	STO (IEC/EN 61800-5-2)