







The Mitsubishi SERVO DRIVE MR-J3-700B is a 7.5KW servo amplifier designed for high-precision motion control in demanding industrial applications. This model, part of the renowned MR-J3 series, delivers exceptional performance with a wide input voltage range and advanced control algorithms. It integrates seamlessly with Mitsubishi servo motors, offering superior speed, torque, and position control for machine tools, packaging equipment, and robotic systems. The drive features a built-in regenerative resistor and dynamic brake for enhanced safety, along with comprehensive protection functions to ensure long-term reliability.
| Parameter | MR-J3-700B |
|---|---|
| Rated Output Power | 7.5 kW |
| Main Circuit Voltage/Frequency (3-phase) | 3-phase 200 to 230 VAC, 50/60 Hz |
| Permissible Voltage Fluctuation (3-phase) | 3-phase 170 to 253 VAC |
| Control Circuit Voltage | 1-phase 200 to 230 VAC, 50/60 Hz |
| Permissible Frequency Fluctuation | ±5% maximum |
| Power Consumption (W) | 45 W |
| Interface Power Supply | 24 VDC ±10% (300 mA required capacity) |
| Built-in Regenerative Resistor | 170 Ω |
| External Regenerative Resistor (Standard Accessory) | Not applicable (built-in sufficient) |
| Control System | Sine-wave PWM control / current control system |
| Dynamic Brake | External option (for high-power models) |
| Safety Features | Overcurrent, regeneration overvoltage, overload (electronic thermal), motor overheat, encoder fault, undervoltage, overspeed, excess error protection |
| Maximum Input Pulse Frequency | 1 Mpps (differential receiver), 200 kpps (open collector) |
| Positioning Feedback Pulse | 262144 p/rev (encoder resolution per motor rotation) |
| Command Pulse Multiple | Electronic gear A/B multiple: A=1 to 1048576, B=1 to 1048576, 1/10 < A/B < 2000 |
| Positioning Complete Width Setting | 0 to ±10000 pulses (command pulse unit) |
| Excess Error | ±3 rotations |
| Torque Limit | Set by parameters or external analog input (0 to +10 VDC/maximum torque) |
| Speed Control Range | Analog speed command: 1:2000, internal speed command: 1:5000 |
| Analog Speed Command Input | 0 to ±10 VDC/rated speed (adjustable via parameter) |
| Speed Fluctuation Rate | ±0.01% max (load fluctuation 0-100%), 0% (power fluctuation ±10%), ±0.2% max (ambient temp 25°C±10°C) |
| Analog Torque Command Input | 0 to ±8 VDC/maximum torque (input impedance 10-12 kΩ) |
| Speed Limit (Torque Control Mode) | Set by parameters or external analog input (0 to ±10 VDC/rated speed) |
| Structure | Fan cooling open (IP00) |
| Ambient Temperature | 0 to 55°C (operation), -20 to 65°C (storage) |
| Ambient Humidity | 90% RH max (non-condensing) |
| Atmosphere | Indoors, no corrosive gas, inflammable gas, oil mist, or dust |
| Elevation | 1000 m or less above sea level |
| Vibration | 5.9 m/s² maximum |
| Weight | Approximately 6 kg (13.2 lb) |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22