Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
Price:
Negotiable
MOQ:
1
Delivery Time:
2-3 days
Brand:
Siemens
Product 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.
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 |
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Company
LonRise Equipment Co. Ltd.
Location
26Minyi Road, Xinqiao, Songjiang Industrail Zone Shanghai China
Contact Person
Laura