MR-J4-350A Digital AC-Servo Amplifier for MELSERVO-J4 Series

• Brand & Model: Mitsubishi MR-J4-350A (MELSERVO-J4 Series). Authorized distributor: Ubest Automation.
• Product Type: Digital AC-Servo Amplifier. Single-axis type with 3.5 kW rated capacity.
• Power Supply: 3-phase 200-240 VAC. Control circuit runs on single-phase 200-240 VAC, 0.2 A.
• Safety Function: Built-in STO (Safe Torque Off) per IEC/EN 61800-5-2. Enhances operator safety during maintenance.
• Dynamic Brake: Built-in design for smooth stopping and precise motion control.
• Dimensions (WxHxD): 90 x 168 x 195 mm. Weight: 12.00 lbs (5.44 kg).
• Control Method: Sinusoidal wave PWM control with current control system. Ensures stable motor operation.
• Regenerative Power: Handles up to one hundred units (100) for efficient energy use.
• Communication Interface: USB port for easy connection to setup software.
• Compliance & Standards: CE, UL/cUL, EAC, UKCA. Note: This product exceeds REACH limit.

Frequently Asked Questions (FAQ)

• Which motor works with MR-J4-350A? Use Mitsubishi HG series servo motors rated at 3.5 kW or less.
• Can I run this on single-phase power? No, the main circuit requires 3-phase 200-240 VAC.
• What is STO for? Safe Torque Off cuts power to the motor without removing main supply. Good for emergency stops.
• Does it support absolute encoders? Yes, works with Mitsubishi absolute position encoders.
• How to reset after overload? Clear the alarm via the control software or digital I/O signal.

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