Mitsubishi MR-J2S Servo Drive 750W MR-J2S-70B

Series#: Mitsubishi

Product Details

Mitsubishi MR-J2S-70B – High-performance servo drive, 750W rated output for precision motion control applications.
Built-in Dynamic Brake – Provides reliable deceleration and safe stopping for the connected servo motor.
Sine-wave PWM Control – Ensures smooth torque and speed regulation with minimal electrical noise.
Wide Input Voltage Range – Operates on 3-phase 200-230VAC or 1-phase 230VAC main circuit, with ±5% frequency tolerance.
Comprehensive Safety Protections – Includes overcurrent, overload, overvoltage, encoder fault, and undervoltage shutdown features.
Compact Fan-Cooled Design – IP00 open structure with forced air cooling for reliable performance in industrial environments.
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Specification

The Mitsubishi MR-J2S-70B is a robust servo amplifier from the renowned MR-J2S series, designed to deliver precise and efficient control for 750W AC servo motors. This drive excels in applications requiring high-speed positioning, such as CNC machinery, packaging equipment, and robotic systems. Featuring sine-wave PWM control, it ensures minimal torque ripple and smooth operation across a wide speed range. The unit integrates a dynamic brake for rapid deceleration and includes a full suite of protective functions to safeguard both the drive and motor. With its fan-cooled, open-type enclosure (IP00), the MR-J2S-70B is built for continuous duty in demanding factory floor conditions. This model supports a maximum command input frequency of approximately 10 Mpps, enabling high-resolution position control.

Parameter	MR-J2S-70B (750W)
Control Circuit Power Supply	1-phase 200 to 230VAC, 50/60Hz
Control Circuit Voltage Fluctuation	170 to 253VAC
Control Circuit Frequency Fluctuation	±5% max
Control Circuit Power Consumption	50W
Main Circuit Power Supply	3-phase 200 to 230VAC, 50/60Hz (or 1-phase 230VAC)
Main Circuit Voltage Fluctuation	170 to 253VAC (3-phase) / 207 to 253VAC (1-phase)
Main Circuit Frequency Fluctuation	±5% max
Control System	Sine-wave PWM control / Current control system
Dynamic Brake	Built-in
Safety Features	Overcurrent shutdown, regeneration overvoltage shutdown, overload shutdown (electronic thermal), servo motor overheat protection, encoder fault protection, regeneration fault protection, undervoltage/sudden power outage protection, overspeed protection, excess error protection
Maximum Command Input (Position Control)	Approximately 10 Mpps
Structure	Fan cooling, open (IP00)
Ambient Temperature	0 to 55°C (32 to 131°F) operating; –20 to 65°C (–4 to 149°F) storage
Ambient Humidity	90% RH max (non condensing) operating and storage
Atmosphere	Indoors (no direct sunlight); no corrosive gas, inflammable gas, oil mist or dust
Elevation	1000m (3280ft) or less above sea level
Vibration	5.9 m/s² maximum
Mass	1.7 kg (3.7 lb)