Mitsubishi MR-J4-40B 0.4kW AC Servo Drive SSCNET III/H Original

Price Negotiable
Price: Negotiable
MOQ: 1
Delivery Time: 2-3 days
Brand: Siemens
Product Description
Sinamics MR-J4-40B Overview

The MR-J4-40B is a high‑performance single‑axis AC servo drive from Mitsubishi’s MELSERVO‑J4 series, designed for precision motion control in industrial automation. It delivers a rated output of 0.4 kW and supports SSCNET III/H high‑speed serial communication for accurate multi‑axis synchronization.










Figure 1 shows the front panel of MR-J4-40B.

























Quick Specs.

Table 1 shows the Quick Specs

Item Details
Model MR-J4-40B
Series MELSERVO-J4
Rated Output 0.4 kW (400W)
Rated Current 2.8 A
Power Supply 1/3‑phase AC 200–240V 50/60Hz
Interface SSCNET III/H
Cooling Natural cooling
Protection IP20






Detailed Specification
Parameter Value
Model MR-J4-40B
Brand Mitsubishi Electric
Type AC Servo Drive / Amplifier
Rated Output 0.4 kW (400W)
Rated Output Current 2.8 A
Output Voltage 3‑phase AC 170 V
Main Circuit Power 1/3‑phase AC 200–240 V, 50/60 Hz
Control Circuit Power DC 24 V ±10%
Control Method Sine PWM control, current control
Communication SSCNET III/H, USB
Dynamic Brake Built‑in
Regenerative Resistor Built‑in
Operating Temp 0 ~ +55 °C
Weight Approx. 0.9 kg
Dimensions 90 × 130 × 130 mm (W×H×D)
Protection Grade IP20
Safety STO (IEC/EN 61800‑5‑2)


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Company LonRise Equipment Co. Ltd.
Location 26Minyi Road, Xinqiao, Songjiang Industrail Zone Shanghai China
Contact Person Laura

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