LSM165-173-304-S-0KA Kollmorgen
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MPN: M.1302.1231
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The Kollmorgen LSM165-173-304-S-0KA is part of the LSM Brushless Servo Motors series and has a continuous torque of 19.5 Nm with a peak torque of 75 Nm. It features a rated voltage of 460 VAC, maximum speed of 3000 rpm, and a net weight of 18.7 kg. The motor includes a single-turn Sin/Cos feedback type, has a shaft with keyway and M10 x 1.5 mm thread, and a torque constant of 1.29 Nm per Amp.
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Product Description:
The LSM165-173-304-S-0KA is a brushless servo motor produced by Kollmorgen within the LSM Brushless Servo Motors series. It functions as a rotary actuator that supplies commanded torque and speed for positioning tables, indexers, and other motion axes on automated machines. Operating from a three-phase inverter, it uses integrated feedback to support precise velocity and position control. A keyed shaft simplifies direct coupling, while the absence of an internal brake allows an external holding device to be selected when the load must remain stationary without motor torque.
This model delivers a continuous shaft torque of 19.5 Nm when cooled by natural convection. The stator is wound for a nominal supply voltage of 460 VAC, allowing operation from common industrial power systems through a compatible servo drive. The maximum mechanical speed reaches 3000 rpm, permitting transmission ratios suited to high-throughput motion cycles. A torque constant of 1.29 Nm/A relates commanded phase current to the resulting motor torque. The phase inductance is 9.6 mH, which affects current-rise behavior and drive response. Stall current is limited to 16.5 A peak, while the phase resistance of 0.98 Ω influences copper losses during holding and low-speed operation. Single-turn sinusoidal encoder feedback supplies analog sine and cosine signals for smooth commutation and accurate rotor-position measurement.
The motor can accommodate short process peaks with a maximum torque of 75 Nm. This short-term output is supported by a permissible phase current of 72.1 A peak, giving the drive sufficient current capacity for rapid acceleration or temporary load changes. A rotor inertia of 0.00128 kg·m² supports responsive acceleration while helping the axis remain stable under changing loads. The motor has a total mass of 18.7 kg, which provides thermal capacity that slows temperature rise during intermittent duty. Its voltage constant is 156 V/kRPM, allowing the connected drive to estimate back electromotive force as shaft speed changes. Mechanical attachment is provided through an M10 × 1.5 mm threaded shaft end, which accommodates compatible fastening hardware at the output interface.
