LSM215-451-204-M-0KA Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
MPN: M.1302.1285
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The Kollmorgen LSM215-451-204-M-0KA is a brushless servo motor in the LSM Brushless Servo Motors series. It delivers a continuous torque of 51 Nm, a peak torque of 158 Nm, and has a maximum current of 106.1 Amps. The motor weighs 38.5 kilograms, has a shaft diameter of 38 mm, and measures 452 mm in length.
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Product Description:
The LSM215-451-204-M-0KA is a brushless servo motor from Kollmorgen, positioned in the LSM Brushless Servo Motors series. This permanent-magnet unit is intended for industrial automation tasks that require accurate velocity and torque regulation under feedback control. When paired with a matching digital drive, the motor provides the mechanical power needed to index conveyors, synchronize printing drums, or control robotic joints with repeatable performance.
Continuous output capability is 51 Nm, enabling the shaft to handle sustained mechanical loads without overheating. For short bursts such as acceleration or impact rejection, reserve torque rises to 158 Nm. The electromagnetic stack reaches a rated speed of 2000 rpm, allowing direct coupling to medium-inertia loads without gear reduction. Current demand peaks at 106.1 A(pk) when the controller commands maximum dynamic response, while the locked-rotor or stall condition draws 29.7 A(pk). Eight magnetic poles work with a winding inductance of 10.0 mH and a resistance of 0.50 Ω to shape the current waveform and limit losses. The laminated housing measures 452 mm long, and a 38 mm diameter shaft carries an M12 × 1.75 mm threaded center hole with a depth of 28 mm for secure attachment of couplings or brake disks.
Electromechanical conversion is characterized by a torque constant of 1.84 Nm/A, so each ampere of phase current produces a predictable turning force. The back EMF slope of 222 V/kRPM provides the drive with voltage data that can be used to estimate motor velocity. The rotor inertia of 0.0060 kg·m² moderates speed changes, smoothing the control loop when the machine executes rapid starts and stops. Installation weight is 38.5 kg, giving the frame sufficient mass to absorb vibration while aiding thermal conduction to the mounting surface. The eight-pole arrangement supports smooth torque generation as the drive electronically commutates the permanent-magnet rotor. The mounting surface should provide firm mechanical support and an effective path for heat transfer during continuous operation.
