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

The Mitsubishi MR-J4-40B is a compact and efficient digital AC servo amplifier from the precision-focused MELSERVO J4 series, designed to deliver fast, accurate, and safe servo motion in space-constrained automation environments. Supporting both single-phase and three-phase 200–240V AC input, the MR-J4-40B offers 0.4 kW rated output power and utilizes SSCNETIII/H fiber-optic communication for high-speed, real-time motion control. With natural cooling, a slim 40 mm IP20-rated enclosure, and integrated Safe Torque Off (STO) functionality, this model is ideal for light-duty robotics, conveyors, and compact machine platforms.

Technical Specifications

Model: MRJ440B
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: SSCNETIII/H
Application: Compact motion systems, electronic assembly, robotics

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. 0.9 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: Efficient drive for compact servo motion and pick-and-place systems.

✅ 1PH / 3PH Input Support: Flexible power input for versatile panel integration.

✅ SSCNETIII/H High-Speed Communication: Noise-resistant, real-time motion synchronization.

✅ Natural Cooling – Fanless Design: Quiet, low-maintenance operation for small machine cabinets.

✅ Integrated STO Safety: Certified Safe Torque Off protection ensures safe system shutdown.

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

At Drive Outlet Megastore we offer unbeatable Mitsubishi MR-J4-40B prices — giving you reliable, safe, and compact servo control for demanding but space-limited applications.

Perfect for electronics assembly lines, compact robotics, and lightweight automation systems.

Check stock now or request a quote.

Compact size. Confident motion. Mitsubishi trusted. — Drive Outlet Megastore