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LonRise Equipment Co. Ltd.

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

  1. China Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
  2. China Mitsubishi MR-J4W2-77B 2-Axis 750W Servo Amplifier SSCNET III/H
  3. China 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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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
Brand Name Siemens
Model Number MR-J4W2-77B
Certification CE
Place of Origin China

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  1. Product Details
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Product Specification

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 Brand Name Siemens
Model Number MR-J4W2-77B Certification CE
Place of Origin China
High Light Mitsubishi 750W servo amplifier2-axis SSCNET III servo driveindustrial servo amplifier with warranty
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


Company Details

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  • Business Type:

    Distributor/Wholesaler,Agent,Seller

  • Year Established:

    2007

  • Total Annual:

    2,000,000-4,000,000

  • Employee Number:

    30~50

  • Ecer Certification:

    Verified Supplier

The Formation of Lonrise My Company was founded in 2007 as Cisco distributor and integrator domestically. After 4 years' steadfast development, it spotted the business abroad. Thus Lonrise stepped on the road as a global CISCO supplier which has owned a good reputation within field . We not only ... The Formation of Lonrise My Company was founded in 2007 as Cisco distributor and integrator domestically. After 4 years' steadfast development, it spotted the business abroad. Thus Lonrise stepped on the road as a global CISCO supplier which has owned a good reputation within field . We not only ...

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  • LonRise Equipment Co. Ltd.
  • 26Minyi Road, Xinqiao, Songjiang Industrail Zone Shanghai China
  • https://www.opticaltransceiver-module.com/

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