Mitsubishi MR-J4-40A Servo Drive – 0.4kW, 200V

The Mitsubishi MR-J4-40A is a high-performance digital AC servo amplifier from the space-saving MELSERVO J4 series, engineered for precision speed, torque, and position control in compact automation systems. Designed to operate on single-phase or three-phase 200–240V AC, this unit supports 0.4 kW motor output at 2.8 A rated current, ideal for low-power servo applications. Communication via RS-422/RS-485 ensures simple integration into basic control networks. With Safe Torque Off (STO) functionality, natural cooling, and a compact IP20 open-type enclosure, the MR-J4-40A is perfect for machine tools, semiconductor systems, and robotics where panel space and safety are critical.

Technical Specifications

Model: MRJ440A
Series: MELSERVO J4
Drive Type: Digital AC Servo Amplifier
Rated Output Power: 0.4 kW
Input Voltage: 200–240V AC (200V Class)
Input Phase: Single-phase or Three-phase
Rated Current: 2.8 A
Command Interface: RS-422 / RS-485
Application: Light automation, precision motion, compact servo systems

Electrical Specifications

• Input Voltage: 200–240 VAC
• Input Phase: Single-phase or Three-phase
• Rated Capacity: 0.4 kW
• Rated Current: 2.8 A
• Input Frequency: 50/60 Hz
• Auxiliary Power Consumption: 30 W
• Motor Compatibility: Mitsubishi Rotary Servo Motors (J4 Series)
• Brake Resistor: External optional (not built-in)

Mechanical Specifications

• Width: 40 mm
• Height: 168 mm
• Depth: 170 mm
• Weight: Approx. 0.8 kg
• Mounting: Panel-mounted
• Cooling Method: Natural cooling (fanless)

Environmental Specifications

• Operating Temperature: 0°C to +55°C
• Storage Temperature: –20°C to +65°C
• Humidity: 5% to 95% RH (non-condensing)
• IP Rating: IP20 (open type)

Compliance & Certifications

• CE Marked: Yes
• UL Listed: Yes
• TÜV Rheinland Certified: Yes
• Standards: EN 61800-5-1, EN ISO 13849-1, SIL CL3
• Safety Function: STO (Safe Torque Off)

Key Features & Benefits

✅ 0.4 kW Rated Output: Ideal for compact drives, indexers, and small machines.

✅ Simple RS-422/RS-485 Interface: Easily connects to basic control systems.

✅ Flexible Input Supply: Supports 1PH or 3PH 200–240 V power sources.

✅ Certified STO Safety: Integrated machine-safe shutdown feature.

✅ Ultra-Compact 40 mm Width: Perfect for narrow control panel installations.

📦 Order the Mitsubishi MR-J4-40A from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Mitsubishi MR-J4-40A prices — designed for space-limited, high-precision servo applications across industrial sectors.

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Compact footprint. Certified safety. Mitsubishi trusted. — Drive Outlet Megastore