AM8012-0C21-1004 Beckhoff
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The Beckhoff AM8012-0C21-1004 is part of the AM Synchronous Servo Motors series and features a flange size of 40 mm. This standard series servo motor has a 24 V holding brake and provides a holding torque of 0.60 Nm. It uses OCT multi-turn feedback and comes with a smooth shaft design.
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Product Description:
The AM8012-0C21-1004 servo motor is produced by Beckhoff and belongs to the AM Synchronous Servo Motors series. Within an automation cell, it operates as a rotary actuator that follows position, speed, and torque commands from a compatible drive controller. Its compact format supports coordinated motion in pick-and-place units, small gantries, feeder stations, and other automated machinery where installation space is limited. Closed-loop control allows the drive to correct motion as the load changes, supporting accurate acceleration, positioning, and speed regulation during repeated operating cycles.
The motor mounts to gearboxes or direct-drive fixtures through a 40 mm flange. Motion is transferred to the load through a smooth shaft, which works with clamping couplings and avoids the stress concentrations associated with a keyway. The holding brake operates from a 24 VDC supply and releases when energized during normal operation. When its power is removed, the brake engages to secure the shaft during drive shutdowns, emergency stops, or power loss. The engaged brake provides up to 0.60 Nm of holding torque, helping prevent vertical or suspended loads from drifting while the motor is disabled. Rotor position is reported through an OCT multi-turn encoder, which retains absolute position information across several shaft revolutions and allows the axis to restart without completing a separate homing sequence.
The housing uses overall length code 2, indicating the axial format that must be considered when arranging the mounting area, coupling, and cable clearance. This code allows the available installation depth and connection space to be accounted for before the motor is fitted to the machine. Beckhoff identifies the unit as a Special version, distinguishing its minor mechanical configuration differences from the standard motor type. Its electromagnetic characteristics correspond to winding code C, which establishes the phase resistance and inductance values used by the compatible servo drive for current regulation. Correct drive parameter selection allows the amplifier to control motor current accurately while maintaining stable torque response throughout the intended speed range.
