AM8021-0B20-0000

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The AM8021-0B20-0000 by Beckhoff is a high-efficiency synchronous motor with a rated power of 0.42 kW. It operates on a nominal voltage of 100-480 V AC and delivers a standstill torque of 0.50 Nm. Designed for high-speed applications, it ensures precision and reliability in automation.

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Product Description:

The AM8021-0B20-0000 motor, designed by the well-established Beckhoff, is part of the renowned AM Servo Motor Series. Known for its exceptional efficiency, this permanent magnet-excited three-phase synchronous motor is tailored to meet the needs of precision automation systems. Delivering 0.50 Nm of standstill torque and a rated power of 0.42 kW, this motor offers high performance within its nominal voltage range of 100…480 V AC. With a rated speed of 8000 min⁻¹, the AM8021-0B20-0000 is designed for rapid response and high-speed applications.

Offering durability and stability, the motor’s torque constant is set at 0.588 Nm/A, balancing power and efficiency while ensuring reliable operation even under peak load conditions. Its rotor moment of inertia measures 0.139 kgcm², which facilitates smooth and responsive acceleration and deceleration. Additionally, the motor feedback features a highly versatile configuration, including resolver options and single-turn or multi-turn absolute encoder systems, ensuring precise control and positioning. This configuration supports both OCT and SIL 2 safety capabilities, making it suitable for safety-critical applications.

The AM8021-0B20-0000 operates efficiently in environments with ambient temperatures ranging from +5…+40 °C. It is equipped with convection cooling, eliminating the need for additional cooling systems. With its Itec® plug connection technology, this motor is easy to integrate into complex systems, enhancing flexibility and ease of use. Designed to handle demanding tasks, it delivers a peak torque of 2.68 Nm, making it ideal for applications where both speed and precision are critical.

Motor Type
permanent magnet-excited three-phase synchronous motor
Nominal Voltage
100…480 V AC
Peak Current
4.90 A
Peak Torque
2.68 Nm
Rated Power
0.42 kW
Rated Speed
8000 min^-1
Rated Torque
0.50 Nm
Rotor Moment Of Inertia
0.139 kgcm²
Standstill Current
0.85 A
Standstill Torque
0.50 Nm
Torque Constant
0.588 Nm/A

Frequently Asked Questions about AM8021-0B20-0000:

Q: What is the rated power of the AM8021-0B20-0000?

A: The rated power of the AM8021-0B20-0000 is 0.42 kW.

Q: What is the standstill torque for this motor?

A: The standstill torque for the AM8021-0B20-0000 is <<0.50 Nm>>.

Q: What is the rated speed of the AM8021-0B20-0000?

A: The rated speed of the AM8021-0B20-0000 is 8000 min⁻¹.

Q: Does the motor support safety capabilities?

A: Yes, it supports OCT and SIL 2 safety capabilities.

Q: What is the peak torque of the AM8021-0B20-0000?

A: The peak torque of the AM8021-0B20-0000 is 2.68 Nm.


Internal Product Review

  • ‘‘The AM8021-0B20-0000 is a high-speed motor that excels in fast-paced, precision-driven systems. Its responsive design ensures quick accelerations, making it perfect for tasks that require speed and agility. Additionally, it boasts excellent energy efficiency, making it a cost-effective choice for long-term use.’’

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