The Mitsubishi Servo Motor HA-LP11K2B is a high-capacity, low-inertia AC servo motor engineered for demanding industrial automation systems. As part of the advanced MELSERVO-J3 Series, this 200V-class motor delivers powerful torque output, high-speed response, and exceptional positioning accuracy for heavy-duty machinery.
Product Overview
The Mitsubishi Servo Motor HA-LP11K2B is designed for medium- to large-scale industrial equipment that requires stable, high-torque performance and precise motion control. With an 11 kW rated output and robust mechanical construction, it is particularly suitable for injection molding machines, press machines, and other large production systems.
This model is compatible with SSCNET III interface servo amplifiers, including:
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MR-J3-11KA
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MR-J3-11KB
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MR-J3-11KB-RJ006
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MR-J3-11KT
Key Specifications
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Voltage Class: 200V
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Power Supply Capacity: 16 kVA
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Rated Output: 11 kW
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Rated Torque: 52.5 N·m
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Maximum Torque: 158 N·m
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Rated Speed: 2000 r/min
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Maximum Speed: 2000 r/min
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Instantaneous Permissible Speed: 2300 r/min
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Power Rate at Rated Torque: 263 kW/s
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Rated Current: 63 A
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Maximum Current: 189 A
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Regenerative Brake Frequency: 186 times/min
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Inertia Moment (J): 113 × 10⁻⁴ kg·m²
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Recommended Load Inertia Ratio: Within 10 times the motor inertia
High-Resolution Encoder for Precision Control
The Mitsubishi Servo Motor HA-LP11K2B is equipped with a shared absolute/incremental 18-bit encoder offering a high resolution of 262,144 pulses per revolution. This enables:
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Highly accurate positioning
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Smooth rotation at low speeds
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Stable and responsive high-speed operation
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Improved repeatability in precision applications
Construction & Environmental Specifications
Cooling Fan Specifications
Environmental Conditions
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Operating Temperature: 0–40°C (non-freezing)
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Storage Temperature: -15–70°C (non-freezing)
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Humidity: ≤80% RH (non-condensing)
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Installation Environment: Indoor use only, free from direct sunlight, corrosive gas, flammable gas, oil mist, and dust
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Altitude: Up to 1000 m above sea level
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Vibration Resistance:
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X axis: 11.7 m/s²
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Y axis: 29.4 m/s²
Key Features
Medium to Large Capacity with Low Inertia
The Mitsubishi Servo Motor HA-LP11K2B combines high output power with optimized low inertia design, allowing fast acceleration and deceleration even in heavy-load systems.
Ideal for Large Industrial Machinery
This motor is especially suitable for:
High Precision Performance
With its 18-bit (262,144 pulses/rev) high-resolution encoder, the Mitsubishi Servo Motor HA-LP11K2B ensures precise motion control, stable operation, and excellent repeatability in demanding automation environments.
Conclusion
The Mitsubishi Servo Motor HA-LP11K2B is a powerful and reliable solution for high-load, high-precision industrial applications. Combining strong torque performance, advanced encoder technology, and rugged construction, it meets the strict requirements of modern manufacturing systems and large-scale automation equipment.
