MSM115-89-402-E2-0KA
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MPN: M.1302.6878
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The MSM115-89-402-E2-0KA is a Kollmorgen brushless servo motor featuring 6 poles and a speed of 4000 rpm. Part of the MSM Brushless Servo Motors series, this motor weighs 11 kg without brake and offers a continuous torque of 10 Nm. It has a winding resistance of 2 Ohms at 25°C and a peak torque of 32 Nm.
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Product Description:
The MSM115-89-402-E2-0KA is a servo motor that belongs to the MSM Brushless Servo Motors series. It comes with a boasted durability and precision that is built by Kollmorgen and It is considered an ideal motor for usage in applications that promote industrial automation.
The MSM115-89-402-E2-0KA Servo Motor generates 0.50 Nm/A of torque which means for every 1 amp of current supplied it produces 0.50 Newton meters of torque. It does not include a holding brake which means when the power is off it can spin freely. The maximum continuous speed at which the motor is designed to run under rated load and voltage is 4000 rpm. The power cable is of 12 AWG gauge which means it can carry a high current safely. It uses an incremental encoder for position and speed feedback which counts pulses to track movement but loses position info if power is lost. The module windings have a resistance of 0.74 Ω which is lower that implies higher efficiency and current draw. The maximum torque it can safely handle at stall for short durations is 16 newton meters which is the peak stall torque that is useful for applications with high startup or holding torque.
The MSM115-89-402-E2-0KA Servo Motor has a moment of inertia of 0.00160 kg·m² which is important for acceleration and deceleration performance. It is powered by 230 Volts AC which suggests that it is compatible with a servo drive that outputs 230 VAC. This module can stall continuous current up to 1.9.8 amperes at stall without overheating which is useful for thermal modeling and sizing drives. The outer dimension of the motor housing is 89 mm which is common for medium sized modules.
Frequently Asked Questions about MSM115-89-402-E2-0KA:
Q: How does the 0.00160 kg·m² rotor inertia benefit industrial motion control applications?
A: The low rotor inertia enables faster response times and smooth transitions during acceleration or deceleration. This is especially beneficial in high-precision, dynamic motion systems.
Q: Why is the absence of a holding brake relevant in vertical axis applications?
A: Without a holding brake, the motor shaft can rotate freely when powered off. In vertical systems, this may require additional braking or load-holding mechanisms.
Q: How does the 12 AWG power cable support thermal performance in the MSM115-89-402-E2-0KA?
A: A thicker 12 AWG cable minimizes power losses and heat generation. This supports continuous high-current operation without excessive thermal buildup.
Q: Why is an incremental encoder suitable for applications needing high-speed feedback?
A: Incremental encoders offer fast signal processing, ideal for speed and position tracking. They are commonly used where real-time responsiveness is more critical than absolute positioning.
Q: What makes the 230 VAC input voltage of the MSM115-89-402-E2-0KA ideal for industrial drives?
A: Operating at 230 VAC allows compatibility with standard industrial power systems. It also reduces current draw, supporting longer cable runs and smaller drive sizes.
