Description
The Mitsubishi HF-KP43 is a low-inertia, high-precision 400W AC Servo Motor belonging to Mitsubishi Electric’s high-performance MELSERVO motor series. It converts electrical power from matching servo drives (such as the MR-J3, MR-JN, or MR-J4 series) into smooth, controlled mechanical motion. Featuring an integrated high-resolution encoder, the HF-KP43 continuously feeds accurate positional data back to the drive for closed-loop motion execution.
In Bangladesh’s growing factory automation landscape, production equipment demands reliable motors that deliver rapid acceleration without losing step or overheating. The HF-KP43 is heavily relied upon by factory automation engineers, CNC technicians, and maintenance managers across Bangladesh to power high-speed packaging machinery, garment sewing units, textile feed systems, labeling machines, and automated robotic manipulators.
Key Features
- Low Inertia Rotor Design: Enables rapid acceleration and deceleration response for high-cycle start-stop positioning tasks.
- Integrated High-Resolution Encoder: Delivers precise closed-loop speed and position feedback to eliminate motion lag or cumulative positioning drift.
- Compact & Lightweight Frame: Offers high power density in a small physical housing for easy mounting in tight machine structures.
- Smooth Torque Delivery: Sinusoidal winding geometry minimizes cogging torque for consistent rotation at both low and high speeds.
- IP65 Ingress Protection Rating: Sealed shaft end and connector interfaces resist dust, moisture, and industrial lubricant splatter.
- Standard Industrial Flange Mount: Industry-standard mounting dimensions allow quick replacement and retrofitting on existing production lines.
Technical Advantages
- High Efficiency: Low magnetic loss rotor design minimizes power dissipation and operating temperature rise.
- Durable Construction: Built with heavy-duty bearings and class-F insulation for extended mechanical operational life.
- Safety Protection: Integrated thermal monitoring and robust coil insulation prevent winding breakdown under momentary overloads.
- Energy Saving: Optimized electromechanical efficiency reduces baseline energy consumption during high-frequency cycling.
- Easy Maintenance: Maintenance-free brushless design eliminates carbon brush wear and reduces routine servicing requirements.
Applications
- Residential: Not applicable (strictly for industrial, commercial, and automation applications).
- Commercial: Automated printing presses, paper converting equipment, and high-speed commercial sorting systems.
- Industrial: Pick-and-place robots, automated labeling machinery, high-speed packaging units, and conveyor indexers.
- Factory: Textile machinery feed drives, garment automation units, electronic assembly tools, and light CNC tables.
- Office: High-capacity automated paper handling and sorting machinery.
- Project Installation: Custom automation machine building, line retrofits, and panel upgrades across Bangladeshi industrial plants.
Why Choose This Product?
- Reliability: Built by Mitsubishi Electric, ensuring high operational uptime and low failure rates under heavy industrial usage.
- Performance: Exceptional dynamic torque-to-inertia ratio delivers instant acceleration without overshoot or mechanical vibration.
- Cost Effectiveness: Long operational lifespan and zero brush maintenance keep long-term operating costs extremely low.
- After-Sales Value: Widely supported across Bangladesh with ready availability of matching servo drives, encoders, and power cables.
Technical Specification Table
| Specification | Details |
| Model | HF-KP43 |
| Brand | Mitsubishi Electric |
| Rated Power | 400W (0.4 kW) |
| Voltage | 200V AC Class |
| Current | Not Available |
| Frequency | 50 / 60 Hz |
| Efficiency | High-Efficiency Permanent Magnet Synchronous |
| Protection | IP65 (excluding shaft throughput) |
| Dimension | Standard 400W Frame (Approx. 60 mm x 60 mm Flange) |
| Weight | Approx. 1.4 kg |
| Operating Temperature | 0°C to 40°C |
| Warranty | Standard Vendor Warranty |
Features List
✓ High-efficiency permanent magnet brushless motor
✓ Low rotor inertia for high-speed dynamic acceleration
✓ Integrated high-resolution absolute position encoder
✓ IP65 industrial dust and moisture protection
✓ Maintenance-free operational design
Benefits For Customers
- Reduces Electricity Cost: High electromechanical efficiency lowers power draw and overall energy costs.
- Improves Operational Reliability: Precise encoder feedback prevents position loss and machine jamming during production.
- Saves Maintenance Cost: Brushless motor design eliminates mechanical brush replacement and reduces downtime.
- Suitable for Bangladesh Environment: Thermal protection and sealed housing withstand dusty and humid factory environments in BD.
Installation & Maintenance Guide
Installation Requirements:
- Securely bolt the motor flange to a rigid machine structure to prevent vibration and mechanical misalignment.
- Align motor shaft output precisely with the driven load using flexible couplings to prevent bearing overload.
- Use original Mitsubishi power and encoder cables with proper strain relief near terminal connections.
- Connect the motor ground terminal directly to the protective earth (PE) system of the machine frame.
Maintenance Tips:
- Periodically check motor shaft couplings and mounting bolts to verify hardware remains properly torqued.
- Inspect power and encoder cable jackets for signs of mechanical wear, oil degradation, or heat damage.
- Keep the outer surface of the motor body clean from thick oil dust buildup to maintain efficient heat dissipation.
Safety Instructions:
- Disconnect all primary power from the servo drive and wait for internal capacitors to discharge completely before handling motor connections.
- Never touch the motor frame during high-duty continuous operation as surface temperatures can become hot.
- Ensure installation, wiring, and parameter checks are conducted by qualified automation personnel.
Frequently Asked Questions (FAQ)
Q: What is the price of HF-KP43 Mitsubishi 400W AC Servo Motor in Bangladesh?
A: The price of the HF-KP43 in Bangladesh varies depending on stock availability and import conditions. Please check loopshop.com.bd or contact our customer support for live quotes.
Q: Where can I buy HF-KP43 Mitsubishi 400W AC Servo Motor in Bangladesh?
A: You can purchase original Mitsubishi HF-KP43 servo motors directly online from loopshop.com.bd with delivery across Bangladesh.
Q: What warranty does this product have?
A: Warranty terms depend on store policy and product condition (new or tested stock). Please contact loopshop.com.bd for specific warranty details.
Q: Is this suitable for Bangladesh climate?
A: Yes, the IP65 sealed housing and high coil insulation make it well-suited for warm, dusty, and humid industrial environments in Bangladesh.
Q: How to install this product?
A: Mount the motor via its standard flange, align the shaft with your load using a flexible coupling, plug in the power and encoder feedback cables, and connect PE ground.
Q: Which servo drive models are compatible with the HF-KP43 motor?
A: The HF-KP43 motor is compatible with 400W Mitsubishi MELSERVO drives, including the MR-J3-40A/B, MR-JN-40A, and MR-J4-40A/B series.
Q: What is the rated speed of the HF-KP43 servo motor?
A: The HF-KP43 has a nominal rated speed of 3000 RPM, with maximum operating speeds reaching up to 6000 RPM depending on drive settings.
Q: Does the HF-KP43 motor include an internal holding brake?
A: The standard HF-KP43 model does not include an electromagnetic brake. (Models with an integrated holding brake carry the ‘B’ suffix, such as HF-KP43B).
Q: Can this motor operate without an encoder feedback cable?
A: No, AC servo motors require the encoder feedback cable connected to the drive for closed-loop motion control and commutation.
Q: How do I troubleshoot motor overheating?
A: Check for mechanical load binding, verify alignment, ensure proper drive gain tuning, and confirm that ambient temperatures remain within specifications.

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