AM3074-0Q21-0000 Beckhoff
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The Beckhoff AM3074-0Q21-0000 is a synchronous servo motor and part of the AM Synchronous Servo Motors series. It features a 24 VDC holding brake, a flange size of 194 mm, and a smooth shaft design. The motor offers 70 Nm of holding torque and uses an OCT multi-turn feedback type.
Internal Product Review
The AM3074-0Q21-0000 is a Beckhoff synchronous servomotor in a standard version with a smooth shaft. OCT multi-turn feedback and a rotatable angular connector support accurate motion control and flexible machine integration. A 24 V holding brake with 70 Nm holding torque stands out as a strong axis-retention feature.
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Product Description:
The AM3074-0Q21-0000 is a synchronous servo motor built by Beckhoff and assigned to the AM Synchronous Servo Motors series. It converts electrical energy into controlled rotary motion for indexing tables, pick-and-place arms, and packaging axes that require accurate speed and position control. In closed-loop operation, it works with a compatible servo drive to maintain repeatable motion during acceleration, steady running, and stopping. Its mechanical size suits high-inertia loads while remaining compatible with Beckhoff AX drive controllers.
It has a brake coil rated at 24 VDC, allowing direct connection to common control power buses without an auxiliary converter. A static holding capacity of 70 Nm helps the axis resist external torque when the main drive power is removed. Mounting uses a 194 mm square flange, which provides a consistent mechanical interface for large gearheads or adapter plates. Position feedback is provided by an OCT multi-turn encoder, allowing the controller to retain absolute position information over more than one shaft revolution. Power and signal conductors can be routed through a rotatable angular connector, and an optional terminal box is available when a different cable exit arrangement is preferred.
The integrated holding brake engages automatically when supply voltage is absent, helping the axis remain in position during power loss or emergency stops. The rotor uses a smooth shaft, which supports backlash-free clamping hubs instead of keyed couplings. The Q winding code corresponds to the electrical winding used in this motor and matches the current range expected by compatible drives. With an Overall length code 4, the housing remains relatively short for its output class, which helps when installation space behind guarding or inside compact actuators is limited.
