1 of 1

Mitsubishi Electric MR-JE-300A MR-JE Series Servo Amplifier

Mitsubishi Electric MR-JE-300A MR-JE Series Servo Amplifier

Only 10 item(s) left in stock
  • Manufacturer: Mitsubishi Electric

  • Product No.: MR-JE-300A

  • Country of origin:United States

  • Product Type: Servo Amplifiers

  • Payment: T/T, Western Union

  • Weight: 4000g

  • Dimensions: 260 x 210 x 140 mm

  • Shipping port: Xiamen

  • Warranty: 12 months

Quantity
View full details

Description

Providing precise torque and speed control within the MR-JE platform, the Mitsubishi Electric MR-JE-300A operates as a high-performance AC servo amplifier engineered for modern industrial motion control. This unit utilizes advanced sine-wave PWM control and current control technology to deliver smooth motor rotation and high-dynamic response. Equipped with an integrated dynamic brake and a forced-cooling fan system, the MR-JE-300A ensures reliable operation under continuous load cycles in demanding automation networks.

Features

  • High-Precision Control: Utilizes sine-wave PWM and current control methods for exceptional position accuracy.
  • Integrated Protection: Features a built-in dynamic brake to provide secure, rapid deceleration during emergency stops.
  • Efficient Thermal Management: Force-cooled structure with a built-in cooling fan to prevent overheating.
  • Open Construction: IP20 protection rating designed for secure cabinet installations.

Applications

  • Multi-axis pick-and-place systems and packaging machinery.
  • Material handling conveyors and automated sorting systems.
  • Textile positioning tables and processing lines.
  • Precision assembly machinery and machine tool auxiliary axes.

Technical Specifications

Parameter Value
Manufacturer Mitsubishi Electric
Model Number MR-JE-300A
Product Series MR-JE-_A
Control Method Sine-wave PWM control / Current control method
Rated Output Current 11.0 A
Input Power Supply Voltage 3-phase 170 V AC to 264 V AC
Input Frequency Range 50/60 Hz
Protection Rating IP20 (Open structure, force cooling)
Dynamic Brake Built-in
Actual Weight 2.1 kg
Shipping Weight (Calculated) 4.0 kg
Package Dimensions (Calculated) 260 x 210 x 140 mm
Country of Origin Japan

Empirical Engineering Insights

Alternative Models & Compatibility

The MR-JE-300A is the analog/pulse train interface variant of the MR-JE series. It is not directly interchangeable with the MR-JE-300B, which is configured for high-speed fiber-optic SSCNET III/H network motion communication. Verify control system command architecture prior to installation.

Application Pitfalls & Engineering Notes

As an IP20 open-type unit featuring force cooling, this amplifier is susceptible to conductive dust and fine particulates. Enclosing the unit within a dust-tight IP54 industrial cabinet is necessary for reliable continuous operation. Ensure at least 40 mm of clearance at the top and bottom of the unit to permit unrestricted fan-driven airflow.

Commissioning & Wiring Tips

Ensure a solid chassis ground connection is established before applying control voltage. When configuring the drive using MR Configurator2, run the initial auto-tuning sequence with the mechanical load fully decoupled to prevent sudden high-frequency resonance or system instability.

Installation Guidelines

CRITICAL WARNING

Isolate and lock out the main 3-phase incoming power. Wait at least 15 minutes for the internal bus capacitors to fully discharge. Always measure the DC bus voltage across the positive and negative terminals to confirm it is below 50 V DC before executing wiring modifications.

1

Mount the servo amplifier vertically on a flat, vibration-free panel within a clean industrial enclosure.

2

Connect the main 3-phase 200 V AC lines to the L1, L2, and L3 power supply terminals using shielded cabling.

3

Verify and connect the motor output terminal phases (U, V, W) and the encoder feedback connector securely.

4

Secure ground terminals to the common ground bar to minimize electromagnetic interference (EMI).

Loading product navigation…

What interface type does the MR-JE-300A servo amplifier support?

The MR-JE-300A utilizes a general-purpose analog input and pulse train interface for position, speed, and torque control.

Can this amplifier be powered using a single-phase supply?

No, this specific model requires a 3-phase 170 V AC to 264 V AC power supply input to maintain nominal performance.

How does the built-in dynamic brake operate?

The built-in dynamic brake engages automatically during emergency stops, alarms, or power failures to bring the connected motor to a secure, rapid halt.

What is the IP protection rating of this unit?

The MR-JE-300A has an IP20 protection rating and is designed to be installed inside a clean, protective electrical control cabinet.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
United States

Recently Viewed Products

Technical knowledge

Electric Actuators Designed to Replace Fluid Power Systems: A Practical Industrial Automation Guide

This article explains how integrated electric actuators, such as SMC’s e-Actuator series, are transforming industrial motion control by replacing traditional pneumatic and hydraulic systems. It...

Math Operations Using OpenPLC for Industrial Automation Applications

This article explains how PLC systems perform core mathematical operations such as addition, subtraction, multiplication, division, modulo, and exponentiation within industrial automation. It shows...

Advanced Boolean Logic with FBD PLC Programming: Practical Industrial Applications Beyond Basic Logic

The article explains several advanced Boolean logic functions used in PLC programming beyond basic AND, OR, and NOT operations. It covers how tools like truth tables, multiplexers, pulse generators,...

Boolean Logic in PLC Programming: Understanding FBD Logic Gates

Boolean logic is the foundation of every PLC program. From simple machine controls to complex industrial automation systems, logic gates determine how controllers respond to changing inputs and...

Deep-Dive Guide to Industrial Firewalls and OT Network Segmentation

Industrial firewalls play a critical role in OT cybersecurity, protecting PLC, DCS, and SCADA networks through segmentation, ingress/egress control, and IDS/IPS integration aligned with IEC 62443...

Guide to Robotic Grippers: From Delicate Handling to Heavy-Duty Automation

Modern robotic grippers are evolving beyond traditional mechanical jaws. From gecko-inspired adhesive systems and soft food-grade grippers to AI-powered warehouse tools, advanced gripping...