Product Description
Mitsubishi Electric HG-KN43BJ-S100 AC Servo Motor
The Mitsubishi Electric HG-KN43BJ-S100 is a highly efficient, low-inertia AC servo motor from the industry-leading MELSERVO-J4 series. Engineered for dynamic performance and high-precision positioning, this 400W (0.4kW) motor operates at a rated speed of 3000 RPM and is capable of reaching a maximum speed of 6000 RPM. The model features an integrated electromagnetic brake (indicated by “B”) for secure load holding during power losses, and an oil seal (indicated by “J”) to protect internal components from ingress in harsh industrial environments. Designed for seamless compatibility with Mitsubishi servo amplifiers, it is an ideal solution for robotics, CNC machinery, packaging equipment, and advanced automation systems requiring rapid acceleration and reliable torque delivery.
Technical Specifications:
- Brand: Mitsubishi Electric
- Model: HG-KN43BJ-S100
- Product Series: MELSERVO-J4
- Motor Type: AC Servo Motor (Low Inertia, Small Capacity)
- Rated Output: 400W (0.4 kW)
- Rated Speed: 3000 r/min
- Maximum Speed: 6000 r/min
- Electromagnetic Brake: Included (B)
- Oil Seal: Included (J)
- Compliance & Certifications: CE Marked

Mitsubishi Electric HG-KN43BJ-S100 AC Servo Motor
Upgrade your automation systems with the Mitsubishi Electric HG-KN43BJ-S100 AC Servo Motor. This high-performance 400W, 3000 RPM motor from the MELSERVO-J4 series features a built-in electromagnetic brake and oil seal, ensuring reliable, high-precision positioning for demanding industrial machinery and robotics.





