• MR-J2S-70A
1 1

Mitsubishi Electric MR-J2S-70A MELSERVO-J2-Super AC Servo Amplifier

Mitsubishi Electric MR-J2S-70A MELSERVO-J2-Super AC Servo Amplifier

Only 10 item(s) left in stock

  • Manufacturer: Mitsubishi Electric

  • Product No.: MR-J2S-70A

  • Country of origin:United States

  • Product Type: AC Servo Amplifiers

  • Payment: T/T, Western Union

  • Weight: 3000g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

Designed for precise closed-loop motion control, the Mitsubishi Electric MR-J2S-70A is a high-performance AC servo drive operating within the MELSERVO-J2-Super product line. This drive unit utilizes a sinusoidal PWM control and current control system to regulate speed, position, and torque with extreme precision. The MR-J2S-70A interfaces with general-purpose pulse train or analog voltage command architectures, making it highly adaptable for factory automation, packaging machinery, and CNC machining systems. Integrated real-time auto-tuning dynamically adjusts control parameters to match varying mechanical loads, ensuring stability and system performance.

Features

  • Real-time auto-tuning dynamically adapts control loop gains to mechanical load changes.
  • Built-in dynamic brake for swift deceleration and emergency stopping.
  • High-speed frequency response of 550 Hz or more for rapid duty-cycle performance.
  • Integrated communication capabilities supporting RS-232C and RS-422 interfaces.
  • Comprehensive protective suite including overcurrent, overload, overvoltage, and encoder fault detection.

Applications

  • Automated packaging and cartoning systems.
  • Multi-axis CNC machine tool positioning.
  • Material handling systems and high-speed gantries.
  • Precision pick-and-place electronic assembly machinery.

Technical Specifications

Manufacturer Mitsubishi Electric
Model / Part Number MR-J2S-70A
Series MELSERVO-J2-Super (MR-J2S)
Output Rated Capacity 700 W
Main Circuit Power Supply 3-phase 200-230 VAC, 50/60 Hz OR 1-phase 230 VAC, 50/60 Hz
Permissible Voltage Fluctuation 3-phase 200-230 VAC: 170 to 253 VAC
Permissible Frequency Fluctuation +/-5%
Control System Sinusoidal PWM control, current control system
Dynamic Brake Built-in
Speed Frequency Response 550 Hz or more
Positioning Feedback Resolution 131,072 pulses/revolution (17-bit resolution)
Analog Speed Command Ratio Analog speed command 1:2000, Internal speed command 1:5000
Structure / Protection Class Self-cooling, open (IP00 rating)
Operating Ambient Temperature 0 to 55 degC (non-freezing)
Ambient Operating Humidity 90% RH maximum (non-condensing)
Shipping Weight 3.0 kg

Connections and Interfaces

Connector / Terminal Function Assignment
L1, L2, L3 Main circuit AC power supply input terminals
L11, L21 Control circuit power supply input terminals
U, V, W Servo motor output connections (Power phases)
CN1A / CN1B I/O signal connectors (Pulse/analog commands and digital signals)
CN2 Encoder feedback signal connection
CN3 Serial communication interface (RS-232C / RS-422 connection to PC/PLC)

Installation Guidelines

  • Mounting Alignment: Install the servo amplifier vertically on a flat, structural backplate to ensure adequate convective airflow.
  • Clearance Requirements: Keep a minimum clearance of 40 mm above and below the amplifier, and at least 10 mm on both sides for heat dissipation.
  • Environmental Control: House the unit in a clean control cabinet free from conductive dust, moisture, and corrosive atmospheric elements.
  • System Grounding: Ensure the protective earth (PE) terminal of the drive is connected to the primary cabinet ground bus using a low-impedance ground strap.

Compliance and Certifications

  • UL Recognized Component
  • cUL Certified
  • CE Directive Compliant
Key Features:
#AC Servo Amplifiers #MELSERVO MR-J2S

Can the MR-J2S-70A AC servo amplifier operate on single-phase power?
Yes, the MR-J2S-70A supports single-phase 230 VAC input at 50/60 Hz as well as standard 3-phase 200-230 VAC input.

What feedback resolution is supported by the MR-J2S-70A?
It supports high-resolution 17-bit encoders, providing a positioning feedback pulse resolution of 131,072 pulses per revolution.

What is the IP protection rating of the MR-J2S-70A servo amplifier?
The amplifier features an open self-cooling structure with an IP00 rating, meaning it must be installed inside a protective electrical enclosure or 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

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