AM3073-0Q21-0000 Beckhoff
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The Beckhoff AM3073-0Q21-0000 is part of the AM Synchronous Servo Motors series and features a smooth shaft design with a flange size of 194 mm. This standard version servo motor includes a 24 VDC holding brake and OCT multi-turn feedback. It also provides a holding torque of 70 Nm and offers a rotatable angular connector or terminal box for connection.
Internal Product Review
The AM3073-0Q21-0000 is a Beckhoff synchronous servomotor with OCT multi-turn feedback and a smooth shaft. A rotatable angular connector or terminal box supports flexible installation, while the 24 V holding brake adds dependable axis control. The 70 Nm holding torque is a standout specification for demanding servo applications.
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Product Description:
The AM3073-0Q21-0000 synchronous servo motor is manufactured by Beckhoff as part of the AM Synchronous Servo Motors series. In industrial automation, this motor acts as a precision drive element, supplying closed-loop rotary motion for positioning axes, pick-and-place gantries, and other equipment that needs accurate speed and torque regulation. Its synchronous design supports responsive motion control in applications that require repeatable starts, stops, direction changes, and stable speed behavior under changing load conditions. Because feedback and braking functions are integrated into the motor package, the unit supports compact machine layouts and reduces the need for external motion components.
The motor’s brake coil is energized at 24 VDC, a low-voltage level that simplifies safety circuitry in control cabinets. Position feedback is provided through an OCT multi-turn encoder, so the controller receives absolute shaft angle information across multiple revolutions without homing routines. A square mounting flange measuring 194 mm enables direct coupling to gearboxes or machine frames that share this bolt pattern, and the brake can sustain up to 70 Nm when the shaft is locked. This combination supports accurate alignment at the mounting face while helping keep the axis secured during power interruptions or stopped conditions.
Connection options include a rotatable angular connector that can be oriented for the cable run, or a terminal box when hardwired routing is preferred. During standstill, the integrated brake clamps the rotor to secure vertical loads and prevent unintended shaft movement. The shaft is a smooth shaft, which avoids keyway stress concentrations in high-precision couplings and works well with clamp-style hubs. Electrical characteristics follow winding code Q, matching the motor to compatible drive amplifiers. Mechanical length is identified by overall length code 3, giving a predictable package size for enclosure layouts and helping with cable clearance where installation space is limited.
