AM3033-0C21-0000 Beckhoff
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The Beckhoff AM3033-0C21-0000 is a synchronous servo motor from the AM Synchronous Servo Motors series. It features a 72 mm flange size, a smooth shaft design, and a rotatable angular connector or terminal box for connection. The motor is equipped with a 24 V holding brake and provides a holding torque between 2 Nm and 3.5 Nm depending on length.
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Product Description:
The AM3033-0C21-0000 is a synchronous servo motor manufactured by Beckhoff. It is supplied within the AM Synchronous Servo Motors series for use in automated machinery. The motor serves as a rotary actuator that converts the regulated output of a servo drive into precise shaft movement for positioning, contouring, and speed-controlled tasks. Its operation supports applications that require controlled acceleration, repeatable positioning, and stable rotational speed under changing machine loads.
This motor has winding code C, which pairs the stator coils with drive parameters that use the corresponding electrical constants. A 72 mm mounting interface on the square flange allows the unit to bolt directly to compact gearboxes or machine plates without adapters. Rotor position is returned through an OCT multi-turn encoder, giving the drive absolute position feedback over several revolutions so homing routines can be skipped after power cycles. Power and feedback conductors exit through a rotatable angular connector or terminal box. The connector housing can be turned to orient the cables away from obstructions and reduce bending stress during installation and operation. This routing flexibility is useful in compact machinery where nearby frames, guards, or actuators limit the available space around the motor.
An integrated 24 V holding brake secures the shaft when the brake is engaged, preventing drift on vertical or unbalanced loads. The static holding torque ranges from 2 N·m to 3.5 N·m, depending on the magnetic stack length, so the available brake torque can be compared with the maximum applied load moment. The motor has a smooth shaft intended for clamp or collet couplings where low backlash is required. This shaft arrangement allows the coupling to grip the output surface evenly without relying on a keyway. The housing follows length code 3, providing a consistent overall depth for machine layouts that use this motor configuration. Its fixed housing length also helps maintain the required clearance between the motor, coupling, and adjacent machine components.
