Part Number:

AM257M-0001

Manufacturer: Beckhoff
Series: AM Servo Motor Series
  • Rated 4.5 (19 total ratings)
  • Straightforward Pricing: No Rush Fees, No Credit Card Fees
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The AM257M-0001 motor generates a standstill torque of 8 Nm and has a rotor moment of inertia of 4.5 kg cm². Manufactured by Beckhoff as part of their AM Servo Motor Series, it weighs 7.6 kg and features an IP65 protection class. The motor supports 230 V AC and 400 to 480 V AC voltage with integrated resolver feedback.

Part Number:

AM257M-0001

Manufacturer: Beckhoff
Series: AM Servo Motor Series
  • Rated 4.5 (19 total ratings)
  • Straightforward Pricing: No Rush Fees, No Credit Card Fees
  • Call for Expedited Shipping and Product Condition Options
Free Ground Shipping
Worldwide Delivery
Repair Options Available

The AM257M-0001 motor generates a standstill torque of 8 Nm and has a rotor moment of inertia of 4.5 kg cm². Manufactured by Beckhoff as part of their AM Servo Motor Series, it weighs 7.6 kg and features an IP65 protection class. The motor supports 230 V AC and 400 to 480 V AC voltage with integrated resolver feedback.

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Product Description

The Beckhoff AM257M-0001 is a formidable addition to the AM Servo Motor Series tailored to meet the intricacies of various industrial settings that are tasked with controlling motion in an accurate and dependable manner. This motor incorporates a standstill torque of 8 Nm, offering a high current of 4.3 A and thus performing heavy duty functions like operating packaging machines, robotics and automatic synchro assembly lines. With the high performance required in areas that entail dynamic motion, this motor reaches a rated speed of 3000 min⁻¹.

The type of motion required is located in a 7.6 kg rotor moment of inertia that this motor houses. With respect to fast moving applications, the speed is increased with acceleration and deceleration. The seamless functionality also means the motor can handle a 230 V AC supply as well as 400–480 V AC. The harsh environment would no longer be an issue, the IP 65 protection class that the AM257M-0001 has is more than capable of protecting the motor from water jets and dust enabling its dependable operation. The H-class insulation also guarantees that high temperatures will be sustained for prolonged periods as well as increase the thermal efficiency of the motor itself. It also facilitates direct integration with standard mechanical configurations thanks to its j6 flange fit.

In addition, the motor has a built-in dual resolver for performance feedback, with further options to upgrade to single or multi-turn absolute encoders. It also includes special winding configurations and a stopping brake that strengthens the motor and the application, thus providing specifications that suit the application.

AM257M-0001 Technical Specifications

Standstill Torque: 8 Nm
Feedback Options: Resolver, Single-turn absolute encoder, Multi-turn absolute encoder
Special Winding Option: Available
Stopping Brake Option: Available
Integrated Resolver: Yes
Vibration Class: N according to DIN ISO 2373
CE: Yes
Standstill Current: 4.3 A
Rated Speed At Rated Supply Voltage: 3000 min-1
Rotor Moment Of Inertia: 4.5 kg cm²
Weight: 7.6 kg
Voltage: 230 V AC, 400 ... 480 V AC
Protection Class: IP 65
Insulation Material Class: F according to DIN 57530
Flange Dimensions: IEC standard fit j6

Frequently Asked Questions about AM257M-0001


Q: UL

A: Yes

Q: What is the standstill current for this motor?

A: The standstill current for the AM257M-0001 is 4.3 A, indicating the current draw when the motor is not in motion.

Q: What is the rated speed at the rated supply voltage?

A: The rated speed of this motor is 3000 min⁻¹, making it suitable for a wide range of operational speeds.

Q: What is the rotor moment of inertia for this motor?

A: The rotor moment of inertia for the AM257M-0001 is 4.5 kg cm², which affects the motor's acceleration and deceleration characteristics.

Q: What voltage options are available for the AM257M-0001?

A: The AM257M-0001 operates at a voltage of 230 V AC and is also compatible with 400 to 480 V AC, allowing for flexibility in various installation environments. The weight of the motor is 7.6 kg.

Internal Product Review

  • ‘‘An integrated resolver is a characteristic of the Beckhoff AM257M-0001 servo motor, which is a member of the AM Servo Motor Series. It has a rated speed of 3000 min-1 and a standstill torque of 8 Nm with a standstill current of 4.3 A. It has an IP 65 class protection rating and weighs 7.6 kg.’’

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