Mitsubishi Electric

Mitsubishi MR-J4 Servo Amplifiers

Source high-performance MR-J4 series servo amplifiers and servo motors for industrial automation, packaging machinery and CNC. We have 11+ MR-J4 models available.

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MR-J4 Amplifiers

High-performance servo amplifiers from 100W to 7kW with advanced vibration suppression tuning.

HG Motors

Rotary servo motors matched to MR-J4 amplifiers with and without electromagnetic brakes.

Machine Upgrade

Replacement parts for aging machines and new machine builds in manufacturing.

Popular Mitsubishi MR-J4 Models

These high-performance servo drives are frequently requested for industrial machine maintenance and upgrades.

Model	Product	Type	Quote
MR-J4-100A	MR-J4-100A Servo Amplifier 1kW	Servo	View Details →
MR-J4-10A	MR-J4-A Servo Drive 100W	Servo	View Details →
MR-J4-200A	MR-J4-200A Servo Amplifier 2kW	Servo	View Details →
MR-J4-20A	MR-J4-20A Servo Amplifier 200W	Servo	View Details →
MR-J4-20B	MR-J4-20A Servo Amplifier 200W	Servo	View Details →
MR-J4-350A	MR-J4-350A Servo Amplifier 3.5kW	Servo	View Details →
MR-J4-350B	MR-J4-350A Servo Amplifier 3.5kW	Servo	View Details →
MR-J4-40A	MR-J4-40A Servo Amplifier 400W	Servo	View Details →
MR-J4-60A	MR-J4-A Servo Drive 600W	Servo	View Details →
MR-J4-70A	MR-J4-70A Servo Amplifier 750W	Servo	View Details →
mr-j4-700b4	mr-j4-700b4	Servo	View Details →

Showing 30 of 11 models. All models are available for quotation.

MR-J4 Product Categories

Single-axis Amplifiers

MR-J4-*A single-axis servo amplifiers from 100W to 7kW power ratings.

HG Series Motors

Low-inertia, medium-inertia rotary servo motors with and without brakes.

Linear Servos

Direct drive linear motors for high-precision positioning applications.

Need a Mitsubishi MR-J4 Part?

Send us the exact MR-J4 model number. We check stock availability and reply with a formal quotation.

Get Quote →

Popular MR-J4 Servo Models in Stock

MR-J4-100A

MR-J4-100A Servo Amplifier 1kW

MR-J4-10A

MR-J4-A Servo Drive 100W

MR-J4-200A

MR-J4-200A Servo Amplifier 2kW

MR-J4-20A

MR-J4-20A Servo Amplifier 200W

MR-J4-20B

MR-J4-20A Servo Amplifier 200W

MR-J4-350A

MR-J4-350A Servo Amplifier 3.5kW

MR-J4-350B

MR-J4-350A Servo Amplifier 3.5kW

MR-J4-40A

MR-J4-40A Servo Amplifier 400W

MR-J4-60A

MR-J4-A Servo Drive 600W

MR-J4-70A

MR-J4-70A Servo Amplifier 750W

mr-j4-700b4

mr-j4-700b4

Every unit is tested before shipment. Request a quotation for the exact model you need.

Mitsubishi MR-J4 Servo Buying FAQ

Can you supply discontinued MR-J4 Servo parts?

Yes. We specialize in legacy and discontinued automation parts. MR-J4 Servo CPUs, power supplies, I/O modules and communication processors are available from surplus stock or verified sourcing channels.

Are the MR-J4 Servo parts new or used?

We stock new surplus, refurbished and tested used units. Every unit is inspected, tested and photographed before shipment, and comes with our 12-month warranty.

How long does shipping take?

DHL, FedEx and UPS delivery typically takes 3 to 7 working days worldwide. For urgent breakdowns we can arrange express dispatch within 24 hours of confirmation.

Can you match a specific Mitsubishi part number?

Send us the part number and we will confirm stock, compatibility, condition and price. Most MR-J4 Servo modules can be sourced from stock or verified suppliers.

Do you provide warranty on refurbished modules?

Yes, all parts carry a 12-month replacement warranty. We also provide test reports and photos before dispatch on request.