12.F5.A1D‑3AEA KEB
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The KEB 12.F5.A1D‑3AEA is an axis drive from the F5 Combivert Axis Drives series with a nominal input voltage of 400 V AC/DC and supports 3 input phases. It features a standard control board, a cooling method using standard varnish, and a rated output current of 9.5 amps with a peak current of 17 amps. The drive comes with a resolver for encoder feedback, 5 V TTL incremental feedback output, and a built-in braking transistor.
Internal Product Review
The 12.F5.A1D‑3AEA from the Combivert F5 series is a KEB axis drive equipped with a standard control board and supports resolver encoder feedback. With a nominal input voltage of 400 V AC/DC and a rated output current of 9.5 A, this drive is well-suited for demanding industrial motor control. The integrated braking transistor and peak current capacity of 17 A further enhance system versatility and reliability.
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Product Description:
The 12.F5.A1D-3AEA drive is manufactured by KEB for the F5 Combivert Axis Drives series and serves as the central power modulator between plant mains and controlled motors. By converting fixed-frequency line power into a variable output, it supports closed-loop speed and torque regulation in conveyors, winders, and positioning axes across industrial automation. Its axis-drive design helps machines maintain repeatable motion during changing load conditions.
This model operates from a nominal line of 400 V AC/DC and is wired for 3-phase supply power. Under continuous duty, it delivers a rated output current of 9.5 A, allowing it to support motors up to 5 HP without derating in applications. Standard board control electronics work with resolver feedback and 5 V TTL incremental outputs to return accurate velocity information to higher-level controllers. Housing type D and inverter size 12 support cabinet mounting where compact drive packaging is important.
Dynamic events are handled by a peak current rating of 17 A, which gives the drive additional short-term current for acceleration and deceleration demands. The output stage runs at a rated switching frequency of 8 kHz and can be increased to 16 kHz when quieter motor operation or different electrical behavior is needed. Protection is aided by an over-current trip set at 216% of rated value, helping limit semiconductor stress during fault conditions. A built-in braking transistor manages regenerated energy during rapid slowing, which reduces the need for external braking hardware in many systems.
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