PRODUCT DETAILS
MR-J2S-40A Mitsubishi Servo Driver – High-Precision Industrial Automation
Product Highlights
⚡ High Performance & Reliability – Genuine Mitsubishi servo driver ensures stable operation and long service life.
🎯 Precision Motion Control – Delivers accurate torque, speed, and position control for CNC and robotics applications.
🔗 Wide Compatibility – Fully compatible with Mitsubishi MR-J2S series servo motors.
🌡️ Robust Design – Supports harsh industrial environments with high thermal and electrical tolerance.
🛠️ Easy Installation & Setup – Compact, lightweight design with plug-and-play capability for rapid integration.
💡 Versatile Industrial Applications – Ideal for CNC machines, robotics, packaging lines, and automated production systems.
Technical Description
The MR-J2S-40A is a genuine Mitsubishi servo driver designed for medium-power industrial automation applications. It offers high-precision control, fast response times, and stable performance across a variety of industrial machinery. Built with premium components, the MR-J2S-40A ensures reliable operation even under demanding conditions.
Key functionalities include:
-
Torque & Speed Control – Smooth and accurate motor control with minimal vibration.
-
Position Feedback Integration – Works seamlessly with Mitsubishi MR-J2S servo motors for precise positioning.
-
Error Detection & Protection – Built-in safeguards protect against overvoltage, overcurrent, and overheating.
-
Flexible Configuration – Supports multiple modes (position, speed, torque) and is easily programmable for various applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | MR-J2S-40A |
| Manufacturer | Mitsubishi Electric |
| Servo Compatibility | MR-J2S Series Servo Motors |
| Rated Output Current | 4.0 A |
| Rated Power | 400 W |
| Input Voltage | 200–230V AC, Single Phase |
| Control Method | PWM / Pulse Train / Analog Input |
| Positioning Accuracy | ±0.01° |
| Response Time | <1 ms |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 85°C |
| Mounting | DIN Rail / Panel Mount |
| Protection | Overvoltage, Overcurrent, Overheat |
(This table can be converted into a visually appealing PNG for Shopify product images.)
Applications
The MR-J2S-40A Mitsubishi Servo Driver is ideal for:
-
CNC machinery and milling machines
-
Industrial robotics arms and automated manipulators
-
Packaging and assembly lines
-
Conveyor systems and material handling automation
-
Any industrial automation requiring medium-power, high-precision servo control

📊 Mitsubishi MR‑J2S Series Servo Driver – Technical Comparison
| Model | Rated Output Power | Supply Voltage | Phase Options | Typical Output Current | Compatible Motors | Typical Application |
|---|---|---|---|---|---|---|
| MR‑J2S‑10A | 0.1 kW | 200–230 VAC | 1‑phase/3‑phase | ~1.0–1.5 A | Small servos (e.g., 100 W class) | Light precision machinery |
| MR‑J2S‑20A | 0.2 kW | 200–230 VAC | 1‑phase/3‑phase | ~1.5–2.2 A | Mid‑small servos (200 W class) | Small automation & CNC |
| ✔️ MR‑J2S‑40A | 0.4 kW | 200–230 VAC | 1‑phase/3‑phase | ~2.8–3.0 A | Mid‑range servos (400 W class) | Mid‑load CNC & robotics |
| MR‑J2S‑60A | 0.6 kW | 200–230 VAC | 1‑phase/3‑phase | ~3.6 A | Medium servos (500–600 W class) | Industrial automation |
| MR‑J2S‑70A | 0.75 kW | 200–230 VAC | 1‑phase/3‑phase | ~4.0–4.5 A (typ.) | Medium & higher load (750 W) | Heavy positioning & motion |
| MR‑J2S‑100A | 1.0 kW | 200–230 VAC | 3‑phase | ~6–7 A | Higher power servos | Heavy machinery & robotics |
| MR‑J2S‑200A | 2.0 kW | 200–230 VAC | 3‑phase | ~12 A (approx) | High‑power servos | Large industrial systems |
| MR‑J2S‑350A | 3.5 kW | 200–230 VAC | 3‑phase | ~20–22 A | Extra high power | Heavy industrial |
| MR‑J2S‑500A | 5.0 kW | 200–230 VAC | 3‑phase | ~28–30 A | Very large servos | Large automation lines |
| MR‑J2S‑700A | 7.0 kW | 200–230 VAC | 3‑phase | ~35–38 A | Maximum series power | Heavy industrial robotics |
🔍 Key Comparison Insights (SEO & Product Page)
🧠 Power & Capability Scaling
-
MR‑J2S‑10A & 20A: Entry‑level drives for small motors and light precision tasks. Great for entry automation setups.
-
MR‑J2S‑40A: Mid‑range drive delivering 0.4 kW power and robust current handling — ideal for medium‑load CNC machines, robotics, and motion control systems that need balance of precision and power.
-
MR‑J2S‑60A & above: Larger power classes for industrial floor automation, large conveyor systems, and heavy machinery requiring high torque and longer continuous duty.
🔌 Voltage & Phase Flexibility
-
Most MR‑J2S‑A models support both single‑phase and three‑phase 200–230 VAC input, enabling flexible installation in diverse industrial power environments.
🔁 Control & Precision
-
All MR‑J2S‑A series drives utilize sine‑wave PWM with current loop control, offering smooth motion, minimal vibration, and high precision for high‑performance applications.
-
Advanced feedback systems with high‑resolution encoder support ensure accurate positioning and responsive motion control.
Keywords
Mitsubishi MR-J2S-40A, MR-J2S servo driver, industrial servo amplifier, CNC servo driver, robotics automation module, 400W Mitsubishi servo, high precision servo driver, genuine Mitsubishi servo driver.



