Product details
MR-J4-700B | Mitsubishi 7kW AC Servo Drive (MELSERVO MR-J4 Series)
MR-J4-700B is a single-axis servo drive from Mitsubishi MELSERVO MR-J4 series. It gives 7kW output with 380-480V AC input. Great for heavy industrial automation. Reliable, safe, and energy smart.
- Brand: Mitsubishi
- Model: MR-J4-700B
- Series: MELSERVO MR-J4
- Output capacity: 7 kW (rated), 21 kW (instant max)
- Supply voltage: 380 to 480V AC (1 or 3 phase)
- Rated current: 37A
- Current consumption: 28.9A
- Control method: Sine wave PWM + current control
- Command interface: SSCNET III/H
- Protection class: IP20
- Cooling: Forced ventilation
- Brakes: Built-in dynamic + regenerative brake
- Power consumption: 45W
- Number of axes: 1
- Weight: 7.29 kg (16.06 lbs)
- Dimensions (H x W x D): 300 x 172 x 200 mm
I/O & Connectivity
- 2 analog outputs
- 4 digital inputs
- 3 digital outputs
- SSCNET III/H for fast communication
Expert Review
The MR-J4-700B handles heavy loads with ease. Its 21kW peak power helps during sudden torque needs. Built-in regenerative brake saves energy. Forced cooling keeps it stable in long shifts. A top choice for high-power single-axis jobs.
Manager’s Insight
Buying this drive lowers your system cost. You don’t need external brake units. It works with 1 or 3 phase power. Stock is ready. Fast dispatch within 12-24 hours via FedEx, UPS, or DHL. 12-month warranty included.
Compatible Devices & Applications
- CNC routers and milling machines
- Industrial presses and cutters
- Conveyor systems with heavy loads
- Automated material handling
- Printing and paper converting lines
- Test stands and dynamometers
FAQ – Professional Questions
- Can I use MR-J4-700B with a single-phase 400V supply?
Yes, it accepts 1-phase or 3-phase from 380 to 480V AC. - How to connect multiple drives in one network?
Use SSCNET III/H daisy chain. Supports up to 16 axes per network. - What happens during a power loss?
The built-in dynamic brake stops the motor safely. No extra parts needed. - Does it work with HG series motors?
Yes, it pairs with HG rotary, linear, and direct drive motors. - What is the maximum cable length for SSCNET III/H?
Up to 50 meters between drives. Use shielded cables for noise reduction.
Selection Guide (Buying Advice)
- Choose MR-J4-700B if you need 7kW continuous or 21kW peak power.
- For lower power (5kW), see MR-J4-500A.
- Check motor compatibility: HG series rotary, linear or direct drive.
- Add external reactors if line voltage is unstable.
- Remember the IP20 rating – use inside a clean control cabinet.
- We ship 12-24 hours after order. Couriers: FedEx, UPS, DHL.
- All units come with 12-month warranty.
Contact us for bulk orders or technical support:
Email: sales@powergearx.com
WhatsApp: +86 18030005825
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Original Source: https://www.powergearx.com/
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