Mitsubishi Electric MR-J4-11KA MELSERVO-J4 Servo Amplifier

SKU MR-J4-11KA

In stock

12-month warranty
Free returns within 30 days

Manufacturer: Mitsubishi Electric
Product No.: MR-J4-11KA
Country of origin:United States
Product Type: Servo Amplifiers
Payment: T/T, Western Union
Weight: 15500g
Shipping port: Xiamen
Warranty: 12 months

Description

Engineered for precision motion control, the MR-J4-11KA operates as a high-performance servo drive within the MELSERVO-J4 system architecture. This digital servo amplifier delivers synchronous positioning, robust velocity regulation, and dynamic torque control, supporting complex multi-axis industrial automation tasks. Built with advanced sine-wave PWM control, it minimizes electrical noise and thermal loss during demanding duty cycles.

The unit features a dual-power architecture that isolates the control circuit logic from the main power stage. This design allows diagnostic systems to remain active even when the primary three-phase contactor is de-energized, enhancing plant floor safety and system diagnostics. The MR-J4-11KA supports flexible input configurations, handling both three-phase AC distribution and industrial high-voltage DC bus systems.

Features

Dual AC/DC power input capability for main and control circuits.
Advanced sine-wave PWM control and current control algorithm.
Isolated power structures to preserve control communication during main line disruptions.
High-capacity physical architecture designed to manage demanding current requirements.
Integration with real-time industrial communication and feedback loops.

Applications

Multi-axis CNC machining centers and metal forming machinery.
High-speed industrial printing and packaging systems.
Automated material handling, gantry systems, and heavy-duty conveyor systems.
Automated assembly and semiconductor manufacturing equipment.

Technical Specifications

CategorySpecification ParameterValue / Rating

Identification	Manufacturer	Mitsubishi Electric
	Part Number / Model	MR-J4-11KA
	Series Name	MELSERVO-J4
Output Ratings	Rated Output Voltage	3-phase 170 V AC
Output Ratings	Rated Output Current	68.0 A
Main Circuit Input	AC Input Supply Voltage / Frequency	3-phase 200 V AC to 240 V AC, 50 Hz/60 Hz
	DC Input Supply Voltage	283 V DC to 340 V DC
	Rated Input Current	46.0 A
	Permissible AC Voltage Fluctuation	3-phase 170 V AC to 264 V AC
	Permissible DC Voltage Fluctuation	241 V DC to 374 V DC
Control Circuit Input	AC Input Supply Voltage / Frequency	1-phase 200 V AC to 240 V AC, 50 Hz/60 Hz
	DC Input Supply Voltage	283 V DC to 340 V DC
	Rated Input Current	0.3 A
	Permissible AC Voltage Fluctuation	1-phase 170 V AC to 264 V AC
	Permissible DC Voltage Fluctuation	241 V DC to 374 V DC
System Properties	Control Method	Sine-wave PWM control / Current control method
	Control Power Consumption	45 W
	Interface Power Supply Requirements	24 V DC ± 10% (Required capacity: 0.5 A, including CN8 signals)
Physical Metrics	Net Weight (Mass)	13.4 kg
Physical Metrics	Shipping Weight	15.5 kg

Installation Guidelines

Mounting Alignment: Always install the servo amplifier in a vertical orientation to ensure correct natural convection and chimney-effect cooling through the internal heat sinks.
Clearance Requirements: Ensure minimum clearance distances are maintained above, below, and on the sides of the chassis as specified in the MELSERVO-J4 user manual to prevent thermal accumulation.
Power Grounding: Ground the amplifier PE terminal directly to the central cabinet subpanel or protective earth busbar with low-impedance conductors.
Control Cabling: Separate all control interface, feedback encoder, and high-frequency communication cables from motor and main power distribution wiring. Use shielded cable assemblies.

FAQ

What is the rated output current and voltage of the MR-J4-11KA servo amplifier?

The MR-J4-11KA has a rated output voltage of 3-phase 170 V AC and a rated output current of 68.0 A.

Can the main and control circuits of the MR-J4-11KA operate on DC power?

Yes, both circuits support DC voltage. The main circuit accepts 283 V DC to 340 V DC (permissible fluctuation: 241 V DC to 374 V DC) and the control circuit accepts the same range of 283 V DC to 340 V DC.

What is the power consumption of the control circuit in this amplifier?

The control circuit has a power consumption of 45 W.

What are the weight specifications for shipping and logistics?

The amplifier itself has a net mass of 13.4 kg, with a total shipping weight of approximately 15.5 kg.

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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.

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 technical warranty.

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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

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