AM8021-1B21-0000

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The AM8021-1B21-0000 is a permanent magnet-excited three-phase synchronous motor with a nominal voltage of 100 to 480 V AC. Produced by Beckhoff, it is part of the AM Servo Motor Series and boasts a rated power of 0.42 kW. The motor offers a peak torque of 2.68 Nm and is cooled by convection.

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Product Description:

The AM8021-1B21-0000, a remarkable offering from Beckhoff's AM Servo Motor Series, is engineered as a permanent magnet-excited three-phase synchronous motor, ideal for a variety of demanding applications in automation and control.  At the heart of this motor's design is its rated power of 0.42 kW, delivering reliable performance while maintaining energy efficiency. The peak torque output of 2.68 Nm allows the AM8021-1B21-0000 to handle substantial loads, making it suitable for tasks that require both strength and precision. 

Its standstill torque of 0.50 Nm ensures that the motor remains stable during idle periods, crucial for applications needing accurate positioning. Operating at a rated speed of 8000 min⁻¹, this motor excels in dynamic environments where rapid response is critical. The convection cooling system employed helps manage the thermal conditions effectively, preventing overheating and extending the motor's operational life. This design consideration allows for continuous operation without the need for complex cooling systems, simplifying integration into various setups.

With a standstill current of 0.85 A and a peak current of 4.90 A, the AM8021-1B21-0000 ensures that it can sustain performance during high-demand scenarios while keeping power consumption in check. Its torque constant of 0.588 Nm/A indicates efficient conversion of electrical energy into mechanical output, providing consistent performance across a range of speeds. The rotor moment of inertia is measured at 0.139 kgcm², allowing for quick acceleration and responsive operation. This feature is particularly beneficial in applications requiring swift changes in direction or speed, enhancing the motor's overall flexibility.

For enhanced accuracy in positioning and speed control, the AM8021-1B21-0000 is equipped with advanced motor feedback options, including a resolver and single-turn absolute encoder. This capability enables precise monitoring and adjustments, contributing to the overall performance reliability. Connectivity is made simple with the use of itec® plug connection technology, streamlining the installation process and ensuring robust connections in demanding environments. This feature is especially valuable in applications that require quick assembly and disassembly, enhancing overall productivity.

Ambient Temperature (operation)
+5…+40 °C
Connection Technology
itec® plug
Cooling
convection
Motor Feedback
resolver, single-turn absolute encoder
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 AM8021-1B21-0000:

Q: What is the rated power of the AM8021-1B21-0000 motor?

A: The AM8021-1B21-0000 motor has a rated power of 0.42 kW.

Q: What is the peak torque output?

A: The motor delivers a peak torque of 2.68 Nm.

Q: How fast can the AM8021-1B21-0000 operate?

A: It operates at a rated speed of 8000 min⁻¹.

Q: What cooling system is used in this motor?

A: The motor utilizes a convection cooling system to manage thermal conditions effectively.

Q: What feedback options does the motor provide?

A: It is equipped with a resolver and single-turn absolute encoder for enhanced accuracy in positioning and speed control.


Internal Product Review

  • ‘‘The AM8021-1B21-0000 from Beckhoff's AM Servo Motor Series is an exceptional choice for demanding automation tasks. With a robust rated power of 0.42 kW and impressive peak torque of 2.68 Nm, it excels in handling heavy loads while maintaining energy efficiency. Its high speed of 8000 min⁻¹ and effective convection cooling make it ideal for dynamic environments. The advanced feedback options ensure precise control, while the itec® plug technology simplifies installation. This motor offers reliability and flexibility, making it a top contender in the market.’’

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