Description:

The Mitsubishi MR-J3-350A AC Servo Amplifier is used in Mitsubishi MELSERVO-J3 motion control systems for driving AC servo motors in precision automation applications. Commonly installed in CNC machinery, packaging equipment, robotics, and automated production lines requiring high-performance servo drive control. Maintenance teams, OEMs, and system integrators use this amplifier for replacement, retrofit, or servo system repair to restore motion accuracy and reliable machine operation.

Applications:

The Mitsubishi MR-J3-350A is used in CNC axis control, robotic positioning systems, semiconductor equipment, packaging and labeling machines, automated assembly lines, material handling systems, and precision motion control machinery requiring 3.5kW AC servo amplifier performance.

Technical Specifications:

• Brand: Mitsubishi
• Part Number: MR-J3-350A
• Product Type: AC Servo Amplifier
• Series: MELSERVO-J3
• Rated Output: 3.5 kW
• Supply Voltage: 3-phase 200–230 VAC
• Rated Current: Approx. 16–17 A
• Control Method: Sine-wave PWM control / vector control
• Interface: Pulse train / analog command (general-purpose)
• Feedback: Encoder-based servo feedback
• Control Modes: Position / Speed / Torque control
• Frequency Response: Up to 2.1 kHz (series capability)
• Cooling Method: Forced air cooling
• Mounting: Panel mount
• Protection Functions: Overcurrent, overload, overvoltage, encoder fault, thermal protection
• Operating Temperature: 0 to 55°C (non-condensing)
• Application: Industrial servo motor drive control

Common Replacements:

• Mitsubishi MR-J3-350B
• Mitsubishi MR-J4-350A
• Mitsubishi MR-J2S-350A