Precise and Reliable Servo Amplifier for Industrial Automation

The Mitsubishi MR-J3-40B servo amplifier delivers precise control for compatible servo motors in various industrial applications. With a 0.4 kW output, it ensures accurate motion control using advanced sine-wave PWM and current control systems. It operates flexibly on both single-phase or three-phase 200-230V AC power. Designed for reliability, it includes a built-in dynamic brake, multiple protection functions, and supports high-speed SSCNET III communication. Its compact, open-type (IP00) design allows for easy installation in controlled environments.

Key Features & Benefits

Precise Motor Control: Features sine-wave PWM and current control for smooth, accurate operation.
Flexible Power Supply: Works with 200-230V AC, either single-phase or three-phase.
Built-in Safety: Integrated dynamic brake and multiple protection features (overload, overcurrent, etc.) for safe operation.
High-Speed Networking: SSCNET III interface enables fast, synchronized control in multi-axis systems.
Compact & Lightweight: Weighs only ~1 kg, making it easy to install and integrate.

Technical Data

Brand: Mitsubishi Electric
Series: MELSERVO-J3
Full Model: MR-J3-40B
Rated Output Power: 0.4 kW (400 Watts)
Rated Current: 2.8 A
Power Supply Voltage: 200 to 230V AC (±10%), 50/60 Hz (1-Phase or 3-Phase)
Control System: Sine-wave PWM Control, Current Control
Communication Interface: SSCNET III
Brake System: Built-in Dynamic Brake
Operating Temperature: 0 to +55 °C
Storage Temperature: 0 to +65 °C
Humidity: Up to 90% RH (non-condensing)
Enclosure & Cooling: Open Type (IP00), Self-cooled
Approx. Weight: 2.01 kg (4.44 lbs)

Installation Guide

Install the unit in a clean, indoor location. Ensure ambient temperature stays between 0°C and 55°C. Provide adequate space for natural cooling. Avoid areas with direct sunlight, corrosive gases, excessive dust, or vibration. Mount securely following the manufacturer's guidelines. Connect power and communication cables correctly, ensuring voltage matches the 200-230V AC specification.

Compatibility

This amplifier is designed to work with compatible Mitsubishi MELSERVO-J3 series servo motors. It connects seamlessly to controllers supporting the SSCNET III communication protocol for integrated motion control systems.

Packaging List

1 x MR-J3-40B Servo Amplifier Unit
1 x User Manual (Quick Guide)

Warranty & Support

This product is backed by a 12-month warranty from the date of purchase against manufacturing defects. Our technical support team is available to assist you.

Shipping

We ship worldwide via reliable carriers: FedEx, UPS, and DHL. Tracking information will be provided upon dispatch.

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