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HG-KR43BJ

The HG-KR43BJ is a high-performance, medium-capacity AC servo motor from Mitsubishi Electric's HG-KR series, designed for precision motion control in industrial automation applications. This 400W servo motor combines high torque density with excellent responsiveness, making it ideal for demanding positioning and speed control tasks.

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Key Specifications
Motor Type: Synchronous AC Servo Motor (Permanent Magnet)

Rated Output: 400W (0.4kW)

Rated Torque: 1.3 Nm

Max. Torque: 3.8 Nm

Rated Speed: 3000 rpm

Max. Speed: 5000 rpm (with proper drive settings)

Encoder: 17-bit (131,072 p/rev) high-resolution incremental encoder

Shaft Type: Keyed shaft (with keyway)

Brake: Electromagnetic brake included ("BJ" suffix indicates brake model)

Protection Class: IP65 (dust-proof & oil-resistant)

Insulation Class: Class F

Cooling Method: Natural cooling (fanless)

Ambient Temperature: 0°C to 40°C (32°F to 104°F)

Technical Features
✔ High Dynamic Response - Low rotor inertia for rapid acceleration/deceleration
✔ Smooth Operation - Advanced electromagnetic design minimizes vibration
✔ Maintenance-Free - Brushless design with long service life
✔ Absolute Positioning - Compatible with absolute encoder systems (when used with appropriate drive)
✔ Compact & Lightweight - Optimized design for space-constrained installations

Compatible Drives & Controllers
Servo Amplifiers: Mitsubishi MR-J4-40B series (for 400W motors)

Control Modes: Position/Speed/Torque control

Programming: Configurable via MR Configurator2 software

Network Compatibility: CC-Link IE Field, SSCNET III/H

Typical Applications
Industrial robots (articulated arms, SCARA)

CNC machine tools (small milling machines, lathes)

Semiconductor manufacturing equipment

Precision assembly systems

Packaging machinery

Automated test equipment