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Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
Specifications
Brand Name :
Siemens
Model Number :
MR-J4W2-77B
Certification :
CE
Place of Origin :
China
MOQ :
1
Payment Terms :
T/T
Delivery Time :
2-3 days
Product Name :
PLC Industrial Control
Part Number :
MR-J4W2-77B
Shipment :
DHL
Condition :
New
Lead Time :
2-3 days
WQR12038HBL :
1 year
Keywords :
MR-J4W2-77B
Description
Sinamics MR-J4W2-77B Overview
The Mitsubishi MR-J4W2-77B is a high‑performance 2‑axis servo amplifier belonging to the MELSERVO‑J4 series. It delivers 0.75 kW rated output per axis, supporting precise motion control for industrial automation applications. Equipped with SSCNET III/H high‑speed serial communication, built‑in dynamic brake, regenerative resistor, and STO safety function, it ensures reliable, safe, and space‑saving operation. Compatible with 200–240 VAC 1‑/3‑phase input, this drive offers high responsiveness, auto‑tuning, vibration suppression, and robust stability for multi‑axis machinery. Its compact design and integrated features reduce wiring and installation cost while improving system efficiency.








Figure 1 shows the front panel of MR-J4W2-77B.

Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H









Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H













Quick Specs.

Table 1 shows the Quick Specs

Item Details
Model MR-J4W2-77B
Series MELSERVO-J4
Axes 2 axes
Rated Output 0.75 kW per axis
Supply Voltage 200–240 VAC, 1/3‑phase, 50/60 Hz
Communication SSCNET III/H
Safety STO (IEC/EN 61800‑5‑2)
Cooling Natural convection
Protection IP20






Detailed Specification
Parameter Value
Model MR-J4W2-77B
Number of Axes 2
Rated Output (per axis) 0.75 kW
Rated Current (per axis) 5.8 A
Input Voltage 200–240 VAC (1‑/3‑phase)
Input Frequency 50/60 Hz
Input Current 7.5 A
Output Voltage 3‑phase 170 VAC
Control Method Sine‑wave PWM, current control
Communication Interface SSCNET III/H
Safe Torque Off (STO) Yes, IEC/EN 61800‑5‑2
Dynamic Brake Built‑in
Regenerative Resistor Built‑in
Operating Temp 0°C to +55°C
Storage Temp −20°C to +65°C
Dimensions (W×H×D) 85 × 168 × 195 mm
Weight 2.0 kg
Protection Rating IP20


Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
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Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H

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Product Detail
Brand Name :
Siemens
Model Number :
MR-J4W2-77B
Certification :
CE
Place of Origin :
China
MOQ :
1
Payment Terms :
T/T
Contact Supplier
Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H

LonRise Equipment Co. Ltd.

Verified Supplier
11 Years
shanghai, shanghai
Since 2007
Business Type :
Distributor/Wholesaler, Agent, Seller
Main Products :
Optical Transceiver Module, SFP Optical Transceiver, Cisco SFP Modules
Total Annual :
2,000,000-4,000,000
Employee Number :
30~50
Certification Level :
Verified Supplier
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