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HG-MR43K

The HG-MR43K is a medium-inertia AC servo motor from Mitsubishi's HG-MR series, designed for high-torque, low-speed applications requiring smooth operation. With 400W (0.4kW) output, this motor delivers exceptional torque stability and is optimized for industrial automation systems where consistent performance is critical.

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Key Specifications
Mechanical Specifications:

Frame Size: 60mm square flange

Shaft Type: Keyed shaft (standard)

Mounting: Flange mounting

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

Cooling Method: Natural cooling (fanless)

Weight: 4.5kg

Electrical Performance:

Rated Output: 400W (0.4kW)

Rated Torque: 1.3Nm

Max. Torque: 3.8Nm

Rated Speed: 3000rpm

Max. Speed: 5000rpm

Encoder: Incremental 17-bit (131,072 p/rev)

Rotor Inertia: 0.26 × 10⁻⁴ kg·m²

Insulation Class: Class F

Special -K Features:

Enhanced thermal design

Optimized torque characteristics

Reduced vibration at low speeds

Extended bearing life

3. Technical Features
✔ Medium Inertia Design - Ideal for load matching
✔ Smooth Low-Speed Operation - <0.1% speed fluctuation
✔ Precision Control - High-resolution encoder feedback
✔ Robust Construction - IP65 protection
✔ Maintenance-Free - Brushless design