MSM115-89-402-S-2KA
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MPN: M.1302.6924
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The Kollmorgen MSM115-89-402-S-2KA is part of the MSM Brushless Servo Motors Series and features a 6-pole design. This motor delivers a continuous torque of 10 Nm and can achieve a peak torque of 32 Nm at a speed of 4000 rpm. It weighs 11 kg, showcasing precision and durability with its ST-60 shaft material.
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Product Description:
The MSM115-89-402-S-2KA is a servo motor. The module is a compact tool ideal for industrial automation practices. It is made by Kollmorgen.
The MSM115-89-402-S-2KA Servo Motor is able to deliver peak torque consistently at speed of 3400 rpm without exceeding voltage limits due to the back EMF. The module has a back electromotive force of 61 V/krpm which means it generates 61 volts per 1000 RPM of rotation. The motor is designed to run continuously at speed of 4000 rpm which is its intended long term operation point, balancing speed, torque and thermal limits. The module has an integrated electromechanical holding brake powered by 24VDC which is usually used for safety or holding loads in vertical applications when it is powered down. The inductance of its windings is 3.3 mH which is low that helps quicker current changes (better dynamic response). The total mass of the motor is 11 kg which is important for mechanical design, mounting and inertia calculations. It uses a Sine/Cosine encoder which provides high resolution position feedback and gives analog signals that enable interpolation. The inclusion of this type of encoder ensures high precision and smooth motion control which is important in CNC, robotics or high performance automation.
This MSM Brushless Servo Motors series module is built to operate on 230 volts alternating current from a 3 phase supply. The maximum torque this module is capable of generating is 32.0 Nm short bursts without damage which is useful for overcoming inertia during acceleration or lifting heavy loads briefly. It is widely available in wake industrial stores and you can get it anywhere in the world.
Frequently Asked Questions about MSM115-89-402-S-2KA:
Q: How does the low winding inductance improve the MSM115-89-402-S-2KA motor's performance?
A: Low inductance allows quicker current changes, improving dynamic response. This results in smoother acceleration and deceleration under varying load conditions.
Q: Why is a Sin/Cos encoder used in the MSM115-89-402-S-2KA servo motor?
A: Sin/Cos encoders provide analog signals that enable high-resolution interpolation. This enhances position accuracy and motion smoothness in precision applications.
Q: What advantage does the 24VDC brake offer in vertical applications?
A: The electromechanical brake securely holds the load when power is cut. This prevents unintentional movement in gravity-affected systems like lifts.
Q: How does back EMF impact drive selection for the MSM115-89-402-S-2KA?
A: With 61 V/krpm back EMF, the drive must handle high voltages at speed. Selecting the right drive ensures safe and efficient motor operation.
Q: Why is the rated speed of 4000 rpm critical in this servo motor?
A: It defines continuous operation parameters, balancing thermal limits with output performance. This rating helps engineers design for long-term system reliability.
