MSM215-221-304-M-2KA

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The MSM215-221-304-M-2KA is a brushless servo motor with a continuous torque of 25 Nm and a speed of 3000 rpm. Manufactured by Kollmorgen as part of the MSM Brushless Servo Motors series, it weighs 26 kg. This motor also offers a peak torque of 70 Nm and a Ke voltage constant of 164 V/KRPM.

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Product Description:

The MSM215-221-304-M-2KA is part of Kollmorgen's range of advanced motors for high-precision motion tasks. It functions in providing consistent rotational force and speed to maintain stable motion in advanced automation setups. The motor is built to ensure precise positioning and consistent performance even under heavy loads and challenging environments. It provides the flexibility and speed needed for complex and high-throughput systems. Its design maximizes energy efficiency in demanding systems ensuring peak performance with minimal operational costs in high-demand settings.

The MSM215-221-304-M-2KA offers enhanced feedback on key parameters such as speed and position. Its integrated multi-turn high-resolution encoder allows for extremely accurate motion control, enabling the motor to track its position over several turns. The high-resolution capability of the encoder ensures finer control, enhancing the motor's performance in complex tasks. The motor is suited for operation at 460 volts, making it suitable for high-power industrial applications. This voltage compatibility allows the motor to handle large-scale applications like heavy machinery, conveyor systems and automated production lines. Its robust current handling ability also enhances its efficiency in high-demand scenarios, allowing it to withstand currents of up to 65.1 Amps.

This motor is constructed to ensure safe and backlash-free braking for operational safety. It features a holding brake that ensures there’s no drift or accidental movement when the motor is not powered. The motor’s torque output can range between 25 Nm for standard load conditions and 75 Nm for peak load scenarios, providing flexible capacity to suit the needs of various applications. The motor has a brushless design which eliminates the need for physical contact between the rotor and stator. This helps to significantly reduce wear and tear, leading to a longer operational lifespan and less maintenance compared to brushed motors.

Continuous Torque
25 Nm / 221 in-lb
Flange Dimensions
190 x 180 mm
Max Peak Current
65.1 A
Max Speed
3000 rpm
Net Weight
26 kg / 57.3 lb
Net Weight with Brake
29 kg / 63.9 lb
Operating Humidity
5-95% non-condensing
Operating Temperature
0 to 40°C
Peak Torque
70 Nm / 620 in-lb
Phase-to-Phase Inductance
15.8 mH
Phase-to-Phase Resistance @25°C
0.76 Ω
Rotor Inertia
0.0074 kg·m² / 0.0655 lb·in·s²
Shaft Material
ST-60
Stall Current
20.5 A
Storage Temperature
-30 to 70°C
Torque Constant (Kt)
1.36 Nm/A
Voltage Constant (Ke)
164 V/kRPM

Frequently Asked Questions about MSM215-221-304-M-2KA:

Q: What is the nominal velocity of the MSM215-221-304-M-2KA motor?

A: The MSM215-221-304-M-2KA motor has a nominal velocity of 3000 RPM, providing high-speed motion for applications requiring quick, precise operation.

Q: What is the peak torque of the MSM215-221-304-M-2KA motor?

A: The MSM215-221-304-M-2KA motor delivers a peak torque of 70 Nm, allowing it to handle high-load tasks with ease.

Q: What type of encoder is used in the MSM215-221-304-M-2KA motor?

A: The MSM215-221-304-M-2KA motor is equipped with a multi-turn high-resolution encoder, offering precise feedback on position over multiple turns.

Q: What is the purpose of the 24V brake in the MSM215-221-304-M-2KA motor?

A: The MSM215-221-304-M-2KA motor features a 24V brake, which engages to hold the motor in place when power is cut.

Q: What is the shaft configuration of the MSM215-221-304-M-2KA motor?

A: The MSM215-221-304-M-2KA motor has a shaft with a keyway, ensuring secure and precise coupling with external components.


Internal Product Review

  • ‘‘The MSM215-221-304-M-2KA motor offers excellent performance in high-precision applications, providing smooth and reliable operation even in demanding environments. However, the motor’s high peak current requirement may necessitate more robust electrical components in certain setups.’’

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