Product details
Product Summary
- MR-J3-40B servo amplifier delivers stable and accurate motion control.
- Mitsubishi Electric designs this unit for compact industrial automation systems.
- The MELSERVO-J3 series supports high-speed and high-precision motor operation.
- Author: Powergear X Automation.
Control and Performance
- The sine-wave PWM system provides smooth torque and quiet motor operation.
- The current control system maintains consistent output during load changes.
- The built-in dynamic brake ensures fast and controlled motor stopping.
- The SSCNET III interface supports fast and synchronized motion control.
Electrical Specifications
- Brand: Mitsubishi Electric.
- Model: MR-J3-40B servo amplifier.
- Rated output power: 400 W / 0.4 kW.
- Power supply: 200–230 VAC, single-phase or three-phase.
- Frequency rating: 50/60 Hz.
Environmental and Structure
- Operating temperature range: 0 to 55°C.
- Open-type IP00 enclosure fits control cabinet installation.
- Natural self-cooling design reduces maintenance requirements.
- The unit supports indoor industrial environments.
Protection Functions
- Overspeed and overcurrent protection improve operational safety.
- Overload protection prevents damage during abnormal conditions.
- Encoder fault detection ensures reliable position feedback.
- Undervoltage protection supports stable system recovery.
Installation Guidelines
- Install the amplifier vertically inside a grounded cabinet.
- Keep sufficient clearance for natural airflow.
- Use shielded cables to reduce electrical interference.
Package Contents
- Mitsubishi Electric MR-J3-40B servo amplifier.
- Protective factory packaging.
- Shipping via FedEx, UPS, or DHL.
FAQ
- Which systems commonly use this servo amplifier?
- Engineers use it in CNC machines, robotics, and automated production lines.
- Does this model support single-phase power input?
- Yes, it supports both single-phase and three-phase 200–230VAC input.
- Why does SSCNET III improve motion performance?
- It enables fast communication and precise multi-axis coordination.
Contact Information
- Email: sales@powergearx.com
- WhatsApp: +86 18030005825
- Copyright © 2025 Powergear X Automation Limited. All rights reserved.
- Original Source: https://www.powergearx.com/
- Partner: Ubest Automation Limited
- Partner: PLCDCS HUB Limited














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