LSM100-35-454-S-2KA Kollmorgen
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MPN: M.1302.1346
The Kollmorgen LSM100-35-454-S-2KA is a brushless servo motor from the LSM Brushless Servo Motors series. It features a continuous torque of 4.0 Nm with a peak torque of 16 Nm, and operates at a rated voltage of 460 VAC. This motor has a max speed of 4500 RPM, uses a single-turn sin/cos feedback type, and has a net weight of 6.1 kg including the brake.
Internal Product Review
The LSM100-35-454-S-2KA is a Kollmorgen brushless servo motor rated for 460 VAC with 4.0 Nm continuous torque. Single-turn Sin/Cos feedback supports precise commutation, and 16 Nm peak torque gives the motor strong dynamic response under changing loads. Maximum speed reaches 4500 RPM, a strong advantage for fast and accurate axis applications.
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Product Description:
The LSM100-35-454-S-2KA is a brushless servo motor produced by Kollmorgen under the LSM Brushless Servo Motors series. As a rotary actuator for industrial automation, it converts drive current into precise shaft motion. This controlled motion allows positioning tables, pick-and-place modules, and light-duty conveyors to follow commanded profiles without mechanical backlash. The motor is designed for applications that require accurate speed, torque, and position control during repetitive operating cycles.
This model delivers a continuous shaft torque of 4.0 Nm, which it can supply indefinitely without exceeding its thermal limits. Its stator is designed for a supply of 460 VAC, matching common three-phase power systems and supporting connection to compatible inverter drives. A torque constant of 0.86 Nm/A indicates the proportional relationship between phase current and produced torque, which supports accurate drive tuning. When operated with vector control, the rotor can reach 4500 rpm, establishing the maximum speed that connected couplings and feedback devices must accommodate. The copper windings have a phase resistance of 5.9 ohms. Along with the motor’s inductance, this resistance affects steady-state current draw and winding temperature during continuous operation.
For dynamic cycles, the motor can produce up to 16 Nm of peak torque, allowing machinery to overcome inertia during startup or absorb brief disturbances without stalling. A phase inductance of 16.8 mH moderates current slew rates and supports drive stability during rapid command changes. The back electromotive force constant is 103 V/krpm, which keeps the generated voltage aligned with the rated line level and reduces the risk of overvoltage at full speed. Including its integrated parking brake, the assembly weighs 6.1 kg, which should be considered when selecting mounting hardware or balancing a moving axis. The parking brake operates from a 24 VDC supply, and single-turn sine-cosine feedback provides rotor position information to the drive. The motor also has an eight-pole rotor, a peak current capability of 22.6 A, and a threaded M5 × 0.8 mm shaft end.
