MSM215-505-304-S-2KA Kollmorgen
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The Kollmorgen MSM215-505-304-S-2KA is a servo motor from the MSM Brushless Servo Motors series and weighs 52 kilograms with brake. It offers a continuous torque of 57 Nm and peak torque of 160 Nm, with a rated speed of 3000 rpm. The motor features a single-turn high resolution feedback type and has a peak current of 147.1 Amps.
Internal Product Review
The MSM215-505-304-S-2KA is a Kollmorgen brushless servo motor that delivers strong 57 Nm continuous torque at a rated speed of 3000 rpm. Single-turn high-resolution feedback and 160 Nm peak torque support accurate positioning and confident response in dynamic motion profiles. For demanding servo axes, the 24 VDC brake configuration adds practical integration value, and the 147.1 A peak current highlights the motor’s high-output capability.
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Product Description:
The MSM215-505-304-S-2KA is a brushless servo motor produced by Kollmorgen for the MSM Brushless Servo Motors series. Designed for automated presses, gantry axes, and packaging lines, the unit converts drive current into controlled rotary motion while its single-turn, high-resolution feedback maintains accurate position tracking within closed-loop control systems. Six rotor poles allow smooth commutation at moderate switching frequencies and support operation with Kollmorgen drives configured for standard sinusoidal commutation.
At nominal load, the motor delivers a continuous shaft torque of 57 Nm at its rated speed of 3000 rpm. Short-duration process peaks can reach 160 Nm, while dynamic events such as acceleration are supported by a peak stall current of 45.5 A. The motor has a torque constant of 1.39 Nm/A, so each ampere from the drive produces approximately 1.4 newton-meters of torque. The back electromotive force generated during rotation follows a voltage constant of 168 V/KRPM, which supports field-oriented control by the inverter. A winding resistance of 0.24 Ω limits copper losses under steady operating current. These electrical characteristics allow the drive to regulate torque across changing loads without sacrificing position accuracy.
The brake coil operates at 24 VDC and controls load holding during power-off stops. Maximum inverter demand is associated with a peak phase current of 147.1 A. The winding inductance is 6.5 mH, providing natural smoothing of current ripple during motor operation. Mechanical integration is aided by a net mass of 52 kg and a rotor inertia of 0.0205 kg·m². A radial load capacity of 101 kg at 3000 rpm supports belt pulleys or spur gears without additional bearings. The front flange includes an M12 × 1.75 mm threaded hole that can accommodate grounding or brake-release hardware.
