MSM215-505-304-S-0KA Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
MPN: M.1302.1219
The MSM215-505-304-S-0KA servo motor is manufactured by Kollmorgen and is part of the MSM Brushless Servo Motors series. It offers a continuous torque of 57 Nm, a peak torque of 160 Nm, and operates at a rated speed of 3000 rpm. The motor has a net weight of 49 kilograms and features a single-turn high resolution feedback type, with a rated voltage of 460 V.
Internal Product Review
The MSM215-505-304-S-0KA is a Kollmorgen brushless servo motor engineered for high-demand motion control. Continuous torque of 57 Nm and peak torque of 160 Nm support strong acceleration and stable load handling. Rated speed of 3000 rpm and single-turn high-resolution feedback make the unit an excellent choice for precise servo performance.
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Product Description:
The MSM215-505-304-S-0KA is a brushless servo motor manufactured by Kollmorgen for the MSM Brushless Servo Motors series. Designed for closed-loop control of positioning tables, pick-and-place heads, and rotary indexers, it converts electrical power into regulated mechanical output through a permanent-magnet rotor and digital commutation. Its feedback system allows a compatible drive to regulate shaft position, speed, and torque as operating conditions change. The unit is supplied without a holding brake, so any vertical or safety-critical axis must use an external locking device or rely on drive torque when power is removed.
Under continuous duty, the motor delivers 57 Nm of torque at a rated speed of 3000 rpm, establishing the steady load it can handle without thermal overload. Electromagnetic efficiency is represented by a torque constant of 1.39 Nm/A, meaning each ampere produces approximately 1.39 newton-meters of shaft torque. The electrical design has a phase-to-phase resistance of 0.24 Ω and an inductance of 6.5 mH, which are parameters used by the drive when shaping current loops. The windings are intended for 460 V supplies, and the single-turn, high-resolution feedback system reports absolute position. Peak current can reach 147.1 A to support rapid acceleration, while the stall current limit of 45.5 A peak helps protect the windings from excessive heat. A six-pole rotor supports smooth commutation as the drive sequences current through the stator windings.
For short bursts, the motor supplies up to 160 Nm of torque, allowing the axis to overcome friction and settle quickly. The back electromotive force constant is 168 V/kRPM, which helps with the selection of brake choppers and regenerative hardware. The keyed shaft ends in an M12 × 1.75 mm thread that accommodates clamp rings or couplings, while the keyway prevents slippage under reversing loads. This shaft arrangement provides positive torque transfer when the direction of rotation changes repeatedly during a motion cycle. The motor has a total mass of 49 kg, adding inertia that dampens speed variations caused by process disturbances. Its mass and high peak-torque capacity should be considered when selecting mounting hardware, couplings, and the mechanical structure supporting the axis.
