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Mitsubishi MELSERVO HA HA-LFS55K24

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HA-LFS55K24

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The Mitsubishi HA-LFS55K24 is a robust servo motor tailored for low-inertia applications. With an output power of 55 kW and a continuous torque rating of 263 Nm, it is engineered for reliable high-performance operation at 2000 rpm.

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Technical specifications for HA-LFS55K24

ManufacturerMitsubishi
Product LineMELSERVO HA
Part NumberHA-LFS55K24
Weight32.00 lbs (14.51 kg)
Motor TypeLow inertia servo motor for 400VAC systems
Output Power55 kW
Continuous Torque263 Nm
Peak Torque657 Nm
Operating Speed2000 rpm
Top Speed2000 rpm
Short-Term Maximum Speed2300 rpm
Rotor Inertia1310 × 10⁻⁴ kg·m²
Power-to-Torque Ratio526 kW/s
Voltage and Frequency RangeThree-phase 380–480VAC, 50/60 Hz
Feedback SystemDual-mode encoder (absolute and incremental) with 131072 pulses per rotation
Thermal ClassificationClass F
Cooling MechanismFully enclosed, forced cooling, IP44 rating
Load Inertia CompatibilityUp to 10 times the motor’s own shaft inertia

The Mitsubishi HA-LFS55K24 servo motor is designed specifically for environments utilizing 400VAC systems while presenting low inertia characteristics. This model delivers an output power of 55 kW and features a steady torque of 263 Nm, which can achieve peak torque levels of 657 Nm when needed. Operating at a speed of 2000 rpm, this motor maintains consistent performance during extended use, with a brief maximum speed of 2300 rpm for short-term requirements.

The rotor inertia for this motor is calculated at 1310 × 10⁻⁴ kg·m², contributing to its effective management of dynamic loads. It boasts a power-to-torque ratio of 526 kW/s, indicative of the motor's efficiency in converting energy to rotational force. It is designed to function within a voltage and frequency range of three-phase 380–480VAC and 50/60 Hz, so it meets various industrial standards.

Regarding control precision, the HA-LFS55K24 has a dual-mode encoder, offering both absolute and incremental feedback with an impressive resolution of 131072 pulses per rotation. This feature enhances the reliability of its positioning capabilities.

The motor operates within a thermal classification of Class F, ensuring stability under varying thermal conditions. The enclosed structure with forced cooling and an IP44 rating safeguard it against environmental factors, making it versatile for different operational settings. Additionally, it is compatible with load inertia up to ten times its shaft inertia, further underscoring its robust design. Weighing in at 250 kg, it is engineered for serious industrial applications.