MSM115-89-404-M-0KA Kollmorgen
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MPN: M.1302.1254
The Kollmorgen MSM115-89-404-M-0KA is a servo motor in the MSM Brushless Servo Motors series. It delivers a continuous torque of 10 Nm and a peak torque of 32 Nm, with a rated speed of 4000 rpm. This motor features a maximum peak current of 38.2 Amps, a rotor inertia of 0.0016 kg·m², and weighs 11.0 kg.
Internal Product Review
The Kollmorgen MSM115-89-404-M-0KA is a brushless servo motor that stands out in motion systems with 10 Nm continuous torque and 32 Nm peak torque. Rated speed of 4000 rpm and rotor inertia of 0.0016 kg·m² support fast acceleration with stable servo response. Motor performance and torque delivery make the unit a strong choice for demanding axis control.
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Product Description:
The MSM115-89-404-M-0KA is a brushless servo motor produced by Kollmorgen for the MSM Brushless Servo Motors series. Designed for closed-loop motion axes in packaging machines, pick-and-place gantries, and general automation, the unit converts drive current into precise rotary motion that can be programmed for position, velocity, or torque control. Its electromagnetic design allows tight regulation of shaft dynamics, letting equipment manufacturers synchronize multiple axes without mechanical gearing. The motor works with Kollmorgen AKD and similar servo drives, supplying the mechanical output layer of a digitally commanded system.
The motor delivers a continuous shaft torque of 10 Nm while remaining within its rated temperature limits. When short bursts of acceleration are required, the available peak torque rises to 32 Nm and can be reached with the drive’s peak phase current of 38.2 A. Nominal operation occurs at 4000 rpm, a speed supported by a six-pole rotor that balances resolution and mechanical stress. The torque constant of 1.03 Nm/A links commanded current to developed torque, while the back-EMF constant of 123 V/KRPM helps determine the appropriate drive voltage. Electrical response is influenced by a phase inductance of 12.0 mH and resistance of 2.0 Ω measured at 25 °C, while inertial loading is moderated by the 0.0016 kg·m² rotor. Startup current is limited to a stall value of 10.9 A, protecting the winding during locked-rotor conditions.
The distance from the front face to the shaft end is 317 mm, and the overall housing length is 357 mm, allowing the motor to fit medium-frame machines without overhanging bearings. A mass of 11.0 kg provides thermal capacity for continuous duty while keeping the motor manageable during installation. Power is transmitted through a shaft with an ISO metric thread of M6 × 1.0, and coupling hardware can seat to a depth of 16 mm to secure pulleys or couplings without additional spacers.
