MSM165-146-304-E2-2KA

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The MSM165-146-304-E2-2KA brushless servo motor delivers a continuous torque of 16.5 Nm, a peak torque of 54 Nm, a speed of 3000 rpm, and features a winding resistance of 1.56 Ohms. Designed as part of the MSM Brushless Servo Motors series by Kollmorgen, it weighs 16.3 kg and has a rotor inertia of 0.0036 kg-m².

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Product Description:

The MSM165-146-304-E2-2KA Servo Motor is designed to perform several industrial automation tasks. It is manufactured by Kollmorgen and comes under MSM series. This motor is suitable for applications that need continuous power.

The MSM165-146-304-E2-2KA servo motor winding resistance is 0.92 Ohm which is low that generally generates less heat and higher efficiency but it also affects current draw during operation. When it spins at 1000 RPM it generates a voltage of 164V if no current is applied. The rated AC input voltage for the system is 460 VAC which indicates the supply voltage it is designed to operate at. It comes with an electromagnetic brake powered by 24VDC which is useful for vertical applications or holding position during power-off. Its mass is 20.2 kg which suggests it has a larger frame size and can also output higher power. It can consume 32.3 ampere current for short durations which allows for burst torque when accelerating or overcoming inertia. It utilizes an incremental encoder for position/speed feedback which requires homing at startup and provides relative positioning. The module is designed to have length of 316 mm which helps produce high torque due to more coil volume and magnet surface.

The MSM Brushless Servo Motors series module can generate 41.8 Nm torque for brief periods which is useful for sizing it for load demands and motion profiles involving acceleration or impact loads. It comes with a M8 × 1.25 mm and19 mm depth threaded hole in the shaft for attaching mechanical components. It uses integrated connectors or combined power/feedback cables which reduces wiring complexity and installation time. It also gas embedded thermal sensors in the windings which help prevent overheating by monitoring internal temperature and letting the controller act accordingly.

Continuous Torque
16.5 Nm (146 in-lb)
Ke Voltage Constant
161 V/KRPM (peak, phase to phase)
Kt (nm/amp)
1.34
Maximum Current (amps Peak)
52.3 amps
Motor Weight
16.3 kg (35.9 lb)
Motor Weight With Brake
18.2 kg (40.1 lb)
Peak Torque
54 Nm (478 in-lb)
Poles
6
Rotor Inertia
0.0036 kg-m² (0.0319 lb-in-s²)
Rotor Inertia With Brake
0.0044 kg-m² (0.0386 lb-in-s²)
Shaft Material
ST-60
Speed
3000 rpm
Stall Current (amps Peak)
13.6 amps
Winding Inductance
18.5 mH
Winding Resistance
1.56 Ohms

Frequently Asked Questions about MSM165-146-304-E2-2KA:

Q: How does the encoder in MSM165-146-304-E2-2KA improve motion accuracy?

A: The incremental encoder provides real-time feedback for precise motor control. It enables fine-tuned adjustments, reducing positional errors in motion systems.

Q: Why is an electromagnetic brake useful in vertical axis applications?

A: The brake prevents the motor shaft from moving when power is off. It maintains load position, ensuring mechanical safety and control.

Q: How do embedded thermal sensors in windings enhance motor protection?

A: They monitor internal temperatures continuously. This allows the drive to initiate protective actions like derating or shutdown to prevent overheating.

Q: Why does MSM165-146-304-E2-2KA use simplified cabling design?

A: Simplified cabling reduces installation complexity and system errors. It also improves long-term maintenance efficiency in industrial environments.

Q: What benefits does the M8 × 1.25 mm threaded shaft offer?

A: It provides a secure and standardized interface for mechanical attachments. This ensures compatibility with various couplings or load adapters.


Internal Product Review

  • ‘‘The MSM165-146-304-E2-2KA servo motor delivers reliable performance with 41.8 Nm peak torque, thermal winding sensors, and a 24VDC brake. Integrated cabling and encoder feedback enhance system efficiency. Its 32.3 A peak current and 20.2 kg mass support demanding motion control tasks.’’

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