The Mitsubishi MR-J2S-40B is a compact yet powerful servo drive designed for precise position, speed, and torque control in demanding industrial automation applications. As part of the MR-J2S family, the 400W model delivers exceptional performance with a maximum command input frequency of approximately 10 Mpps, making it ideal for high-speed pick-and-place, packaging, and CNC machinery. This servo amplifier incorporates advanced sine-wave PWM control for minimal torque ripple and superior motor efficiency. It supports both 3-phase 200-230VAC and 1-phase 230VAC main power, with a control circuit operating on 1-phase 200-230VAC. The built-in dynamic brake ensures safe stopping, while the self-cooling IP00 enclosure eliminates the need for a fan, reducing noise and maintenance. With a wide operating temperature range of 0 to 55°C and robust protection against overcurrent, overload, and encoder faults, the MR-J2S-40B is engineered for reliability in harsh industrial environments.
| Parameter |
Specification (MR-J2S-40B) |
| Rated Output Power |
400 W (0.4 kW) |
| Control System |
Sine-wave PWM control / Current control system |
| Dynamic Brake |
Built-in |
| Main Circuit Power Supply |
3-phase 200-230VAC 50/60Hz or 1-phase 230VAC 50/60Hz |
| Control Circuit Power Supply |
1-phase 200-230VAC 50/60Hz |
| Permissible Voltage Fluctuation (Main) |
3-phase: 170-253VAC; 1-phase: 207-253VAC |
| Permissible Voltage Fluctuation (Control) |
170-253VAC |
| Permissible Frequency Fluctuation |
±5% max. |
| Power Consumption (Control Circuit) |
50 W |
| Maximum Command Input (Position Control) |
Approx. 10 Mpps |
| Structure / Cooling |
Self-cooling, open (IP00) |
| Ambient Temperature |
0 to 55°C (32 to 131°F) operating; –20 to 65°C (–4 to 149°F) storage |
| Ambient Humidity |
90% RH max. (non-condensing) operating and storage |
| Atmosphere |
Indoors (no direct sunlight); no corrosive gas, inflammable gas, oil mist, or dust |
| Elevation |
1000 m (3280 ft) or less above sea level |
| Vibration Resistance |
5.9 m/s² max. |
| Mass |
1.1 kg (2.4 lb) |
| Safety Features |
Overcurrent shutdown, regeneration overvoltage shutdown, overload shutdown (electronic thermal), servo motor overheat protection, encoder fault protection, regeneration fault protection, undervoltage/sudden power outage protection, overspeed protection, excess error protection |
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